W crystallizes in the monoclinic P2/m space group. There are thirteen inequivalent W sites. In the first W site, W(1) is bonded to two equivalent W(1), two equivalent W(12), two equivalent W(6), and two equivalent W(9) atoms to form a mixture of distorted corner and edge-sharing WW8 hexagonal bipyramids. In the second W site, W(2) is bonded to one W(4), one W(5), one W(6), two equivalent W(9), and three equivalent W(2) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(1)W8 hexagonal bipyramid,  a cornercorner with one W(5)W8 hexagonal bipyramid,  a cornercorner with one W(8)W8 hexagonal bipyramid, corners with two equivalent W(12)W8 hexagonal bipyramids, corners with two equivalent W(2)W8 hexagonal bipyramids,  a cornercorner with one W(3)W7 hexagonal pyramid,  an edgeedge with one W(1)W8 hexagonal bipyramid,  an edgeedge with one W(12)W8 hexagonal bipyramid,  an edgeedge with one W(13)W8 hexagonal bipyramid, edges with three equivalent W(2)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with four equivalent W(4)W8 hexagonal bipyramids, edges with four equivalent W(6)W8 hexagonal bipyramids, edges with six equivalent W(9)W8 hexagonal bipyramids, and  an edgeedge with one W(11)W7 hexagonal pyramid. In the third W site, W(3) is bonded to one W(10), one W(11), one W(13), one W(5), one W(7), and two equivalent W(3) atoms to form distorted WW7 hexagonal pyramids that share  a cornercorner with one W(12)W8 hexagonal bipyramid,  a cornercorner with one W(2)W8 hexagonal bipyramid, corners with two equivalent W(8)W8 hexagonal bipyramids, corners with two equivalent W(11)W7 hexagonal pyramids, corners with two equivalent W(3)W7 hexagonal pyramids, corners with three equivalent W(10)W7 hexagonal pyramids,  an edgeedge with one W(4)W8 hexagonal bipyramid,  an edgeedge with one W(6)W8 hexagonal bipyramid,  an edgeedge with one W(8)W8 hexagonal bipyramid, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with four equivalent W(7)W8 hexagonal bipyramids, edges with two equivalent W(10)W7 hexagonal pyramids, and edges with two equivalent W(11)W7 hexagonal pyramids. In the fourth W site, W(4) is bonded to one W(11), one W(12), one W(2), one W(5), one W(8), one W(9), and two equivalent W(4) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(13)W8 hexagonal bipyramid,  a cornercorner with one W(7)W8 hexagonal bipyramid,  a cornercorner with one W(9)W8 hexagonal bipyramid, corners with two equivalent W(4)W8 hexagonal bipyramids, corners with two equivalent W(6)W8 hexagonal bipyramids,  an edgeedge with one W(1)W8 hexagonal bipyramid,  an edgeedge with one W(13)W8 hexagonal bipyramid,  an edgeedge with one W(6)W8 hexagonal bipyramid, edges with three equivalent W(12)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with three equivalent W(8)W8 hexagonal bipyramids, edges with three equivalent W(9)W8 hexagonal bipyramids, edges with four equivalent W(2)W8 hexagonal bipyramids,  an edgeedge with one W(10)W7 hexagonal pyramid,  an edgeedge with one W(3)W7 hexagonal pyramid, and edges with three equivalent W(11)W7 hexagonal pyramids. In the fifth W site, W(5) is bonded to one W(11), one W(13), one W(2), one W(3), one W(4), one W(6), and two equivalent W(5) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(1)W8 hexagonal bipyramid,  a cornercorner with one W(12)W8 hexagonal bipyramid,  a cornercorner with one W(2)W8 hexagonal bipyramid,  a cornercorner with one W(8)W8 hexagonal bipyramid, corners with two equivalent W(5)W8 hexagonal bipyramids, corners with two equivalent W(10)W7 hexagonal pyramids,  an edgeedge with one W(12)W8 hexagonal bipyramid,  an edgeedge with one W(7)W8 hexagonal bipyramid,  an edgeedge with one W(8)W8 hexagonal bipyramid, edges with two equivalent W(9)W8 hexagonal bipyramids, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(2)W8 hexagonal bipyramids, edges with three equivalent W(4)W8 hexagonal bipyramids, edges with three equivalent W(6)W8 hexagonal bipyramids, edges with three equivalent W(11)W7 hexagonal pyramids, and edges with three equivalent W(3)W7 hexagonal pyramids. In the sixth W site, W(6) is bonded to one W(1), one W(12), one W(13), one W(2), one W(5), one W(9), and two equivalent W(6) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(7)W8 hexagonal bipyramid,  a cornercorner with one W(9)W8 hexagonal bipyramid, corners with two equivalent W(4)W8 hexagonal bipyramids, corners with three equivalent W(6)W8 hexagonal bipyramids,  a cornercorner with one W(11)W7 hexagonal pyramid,  an edgeedge with one W(4)W8 hexagonal bipyramid,  an edgeedge with one W(8)W8 hexagonal bipyramid, edges with three equivalent W(1)W8 hexagonal bipyramids, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with four equivalent W(12)W8 hexagonal bipyramids, edges with four equivalent W(2)W8 hexagonal bipyramids, edges with four equivalent W(9)W8 hexagonal bipyramids, and  an edgeedge with one W(3)W7 hexagonal pyramid. In the seventh W site, W(7) is bonded to one W(13), one W(3), one W(8), two equivalent W(10), and three equivalent W(7) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(13)W8 hexagonal bipyramid,  a cornercorner with one W(4)W8 hexagonal bipyramid,  a cornercorner with one W(6)W8 hexagonal bipyramid, corners with two equivalent W(7)W8 hexagonal bipyramids, corners with two equivalent W(11)W7 hexagonal pyramids,  an edgeedge with one W(12)W8 hexagonal bipyramid,  an edgeedge with one W(5)W8 hexagonal bipyramid, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(7)W8 hexagonal bipyramids, edges with four equivalent W(8)W8 hexagonal bipyramids,  an edgeedge with one W(11)W7 hexagonal pyramid, edges with four equivalent W(3)W7 hexagonal pyramids, and edges with six equivalent W(10)W7 hexagonal pyramids. In the eighth W site, W(8) is bonded to one W(10), one W(11), one W(12), one W(13), one W(4), one W(7), and two equivalent W(8) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(1)W8 hexagonal bipyramid,  a cornercorner with one W(2)W8 hexagonal bipyramid,  a cornercorner with one W(5)W8 hexagonal bipyramid, corners with two equivalent W(8)W8 hexagonal bipyramids,  a cornercorner with one W(10)W7 hexagonal pyramid, corners with two equivalent W(3)W7 hexagonal pyramids,  an edgeedge with one W(5)W8 hexagonal bipyramid,  an edgeedge with one W(6)W8 hexagonal bipyramid,  an edgeedge with one W(9)W8 hexagonal bipyramid, edges with three equivalent W(12)W8 hexagonal bipyramids, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(4)W8 hexagonal bipyramids, edges with four equivalent W(7)W8 hexagonal bipyramids,  an edgeedge with one W(3)W7 hexagonal pyramid, edges with three equivalent W(10)W7 hexagonal pyramids, and edges with three equivalent W(11)W7 hexagonal pyramids. In the ninth W site, W(9) is bonded to one W(1), one W(12), one W(4), one W(6), two equivalent W(2), and two equivalent W(9) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(4)W8 hexagonal bipyramid,  a cornercorner with one W(6)W8 hexagonal bipyramid, corners with two equivalent W(13)W8 hexagonal bipyramids, corners with three equivalent W(9)W8 hexagonal bipyramids,  a cornercorner with one W(11)W7 hexagonal pyramid,  an edgeedge with one W(8)W8 hexagonal bipyramid,  an edgeedge with one W(9)W8 hexagonal bipyramid, edges with two equivalent W(5)W8 hexagonal bipyramids, edges with three equivalent W(1)W8 hexagonal bipyramids, edges with three equivalent W(4)W8 hexagonal bipyramids, edges with four equivalent W(12)W8 hexagonal bipyramids, edges with four equivalent W(6)W8 hexagonal bipyramids, and edges with six equivalent W(2)W8 hexagonal bipyramids. In the tenth W site, W(10) is bonded to one W(11), one W(3), one W(8), two equivalent W(10), and two equivalent W(7) atoms to form distorted WW7 hexagonal pyramids that share  a cornercorner with one W(12)W8 hexagonal bipyramid,  a cornercorner with one W(8)W8 hexagonal bipyramid, corners with two equivalent W(5)W8 hexagonal bipyramids, corners with two equivalent W(10)W7 hexagonal pyramids, corners with two equivalent W(11)W7 hexagonal pyramids, corners with three equivalent W(3)W7 hexagonal pyramids,  an edgeedge with one W(4)W8 hexagonal bipyramid, edges with two equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(8)W8 hexagonal bipyramids, edges with six equivalent W(7)W8 hexagonal bipyramids,  an edgeedge with one W(10)W7 hexagonal pyramid, edges with two equivalent W(11)W7 hexagonal pyramids, and edges with two equivalent W(3)W7 hexagonal pyramids. In the eleventh W site, W(11) is bonded to one W(10), one W(3), one W(4), one W(5), one W(8), and two equivalent W(11) atoms to form distorted WW7 hexagonal pyramids that share  a cornercorner with one W(13)W8 hexagonal bipyramid,  a cornercorner with one W(6)W8 hexagonal bipyramid,  a cornercorner with one W(9)W8 hexagonal bipyramid, corners with two equivalent W(7)W8 hexagonal bipyramids, corners with two equivalent W(10)W7 hexagonal pyramids, corners with two equivalent W(11)W7 hexagonal pyramids, corners with two equivalent W(3)W7 hexagonal pyramids,  an edgeedge with one W(12)W8 hexagonal bipyramid,  an edgeedge with one W(13)W8 hexagonal bipyramid,  an edgeedge with one W(2)W8 hexagonal bipyramid,  an edgeedge with one W(7)W8 hexagonal bipyramid, edges with three equivalent W(4)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with three equivalent W(8)W8 hexagonal bipyramids, edges with two equivalent W(10)W7 hexagonal pyramids, and edges with two equivalent W(3)W7 hexagonal pyramids. In the twelfth W site, W(12) is bonded to one W(1), one W(13), one W(4), one W(6), one W(8), one W(9), and two equivalent W(12) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(5)W8 hexagonal bipyramid, corners with two equivalent W(2)W8 hexagonal bipyramids, corners with three equivalent W(12)W8 hexagonal bipyramids,  a cornercorner with one W(10)W7 hexagonal pyramid,  a cornercorner with one W(3)W7 hexagonal pyramid,  an edgeedge with one W(2)W8 hexagonal bipyramid,  an edgeedge with one W(5)W8 hexagonal bipyramid,  an edgeedge with one W(7)W8 hexagonal bipyramid, edges with three equivalent W(1)W8 hexagonal bipyramids, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(4)W8 hexagonal bipyramids, edges with three equivalent W(8)W8 hexagonal bipyramids, edges with four equivalent W(6)W8 hexagonal bipyramids, edges with four equivalent W(9)W8 hexagonal bipyramids, and  an edgeedge with one W(11)W7 hexagonal pyramid. In the thirteenth W site, W(13) is bonded to one W(12), one W(3), one W(5), one W(6), one W(7), one W(8), and two equivalent W(13) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(4)W8 hexagonal bipyramid,  a cornercorner with one W(7)W8 hexagonal bipyramid, corners with two equivalent W(13)W8 hexagonal bipyramids, corners with two equivalent W(9)W8 hexagonal bipyramids,  a cornercorner with one W(11)W7 hexagonal pyramid,  an edgeedge with one W(1)W8 hexagonal bipyramid,  an edgeedge with one W(2)W8 hexagonal bipyramid,  an edgeedge with one W(4)W8 hexagonal bipyramid, edges with three equivalent W(12)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with three equivalent W(6)W8 hexagonal bipyramids, edges with three equivalent W(7)W8 hexagonal bipyramids, edges with three equivalent W(8)W8 hexagonal bipyramids,  an edgeedge with one W(11)W7 hexagonal pyramid, edges with two equivalent W(10)W7 hexagonal pyramids, and edges with three equivalent W(3)W7 hexagonal pyramids.
W crystallizes in the monoclinic P2/m space group. There are thirteen inequivalent W sites. In the first W site, W(1) is bonded to two equivalent W(1), two equivalent W(12), two equivalent W(6), and two equivalent W(9) atoms to form a mixture of distorted corner and edge-sharing WW8 hexagonal bipyramids. Both W(1)-W(1) bond lengths are 2.63 Å. Both W(1)-W(12) bond lengths are 3.01 Å. Both W(1)-W(6) bond lengths are 2.68 Å. Both W(1)-W(9) bond lengths are 2.70 Å. In the second W site, W(2) is bonded to one W(4), one W(5), one W(6), two equivalent W(9), and three equivalent W(2) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(1)W8 hexagonal bipyramid,  a cornercorner with one W(5)W8 hexagonal bipyramid,  a cornercorner with one W(8)W8 hexagonal bipyramid, corners with two equivalent W(12)W8 hexagonal bipyramids, corners with two equivalent W(2)W8 hexagonal bipyramids,  a cornercorner with one W(3)W7 hexagonal pyramid,  an edgeedge with one W(1)W8 hexagonal bipyramid,  an edgeedge with one W(12)W8 hexagonal bipyramid,  an edgeedge with one W(13)W8 hexagonal bipyramid, edges with three equivalent W(2)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with four equivalent W(4)W8 hexagonal bipyramids, edges with four equivalent W(6)W8 hexagonal bipyramids, edges with six equivalent W(9)W8 hexagonal bipyramids, and  an edgeedge with one W(11)W7 hexagonal pyramid. The W(2)-W(4) bond length is 2.69 Å. The W(2)-W(5) bond length is 3.02 Å. The W(2)-W(6) bond length is 2.69 Å. There is one shorter (2.68 Å) and one longer (2.69 Å) W(2)-W(9) bond length. There are two shorter (2.63 Å) and one longer (3.05 Å) W(2)-W(2) bond length. In the third W site, W(3) is bonded to one W(10), one W(11), one W(13), one W(5), one W(7), and two equivalent W(3) atoms to form distorted WW7 hexagonal pyramids that share  a cornercorner with one W(12)W8 hexagonal bipyramid,  a cornercorner with one W(2)W8 hexagonal bipyramid, corners with two equivalent W(8)W8 hexagonal bipyramids, corners with two equivalent W(11)W7 hexagonal pyramids, corners with two equivalent W(3)W7 hexagonal pyramids, corners with three equivalent W(10)W7 hexagonal pyramids,  an edgeedge with one W(4)W8 hexagonal bipyramid,  an edgeedge with one W(6)W8 hexagonal bipyramid,  an edgeedge with one W(8)W8 hexagonal bipyramid, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with four equivalent W(7)W8 hexagonal bipyramids, edges with two equivalent W(10)W7 hexagonal pyramids, and edges with two equivalent W(11)W7 hexagonal pyramids. The W(3)-W(10) bond length is 2.61 Å. The W(3)-W(11) bond length is 2.65 Å. The W(3)-W(13) bond length is 2.72 Å. The W(3)-W(5) bond length is 3.00 Å. The W(3)-W(7) bond length is 2.68 Å. Both W(3)-W(3) bond lengths are 2.63 Å. In the fourth W site, W(4) is bonded to one W(11), one W(12), one W(2), one W(5), one W(8), one W(9), and two equivalent W(4) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(13)W8 hexagonal bipyramid,  a cornercorner with one W(7)W8 hexagonal bipyramid,  a cornercorner with one W(9)W8 hexagonal bipyramid, corners with two equivalent W(4)W8 hexagonal bipyramids, corners with two equivalent W(6)W8 hexagonal bipyramids,  an edgeedge with one W(1)W8 hexagonal bipyramid,  an edgeedge with one W(13)W8 hexagonal bipyramid,  an edgeedge with one W(6)W8 hexagonal bipyramid, edges with three equivalent W(12)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with three equivalent W(8)W8 hexagonal bipyramids, edges with three equivalent W(9)W8 hexagonal bipyramids, edges with four equivalent W(2)W8 hexagonal bipyramids,  an edgeedge with one W(10)W7 hexagonal pyramid,  an edgeedge with one W(3)W7 hexagonal pyramid, and edges with three equivalent W(11)W7 hexagonal pyramids. The W(4)-W(11) bond length is 3.02 Å. The W(4)-W(12) bond length is 2.69 Å. The W(4)-W(5) bond length is 2.69 Å. The W(4)-W(8) bond length is 2.66 Å. The W(4)-W(9) bond length is 3.04 Å. Both W(4)-W(4) bond lengths are 2.63 Å. In the fifth W site, W(5) is bonded to one W(11), one W(13), one W(2), one W(3), one W(4), one W(6), and two equivalent W(5) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(1)W8 hexagonal bipyramid,  a cornercorner with one W(12)W8 hexagonal bipyramid,  a cornercorner with one W(2)W8 hexagonal bipyramid,  a cornercorner with one W(8)W8 hexagonal bipyramid, corners with two equivalent W(5)W8 hexagonal bipyramids, corners with two equivalent W(10)W7 hexagonal pyramids,  an edgeedge with one W(12)W8 hexagonal bipyramid,  an edgeedge with one W(7)W8 hexagonal bipyramid,  an edgeedge with one W(8)W8 hexagonal bipyramid, edges with two equivalent W(9)W8 hexagonal bipyramids, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(2)W8 hexagonal bipyramids, edges with three equivalent W(4)W8 hexagonal bipyramids, edges with three equivalent W(6)W8 hexagonal bipyramids, edges with three equivalent W(11)W7 hexagonal pyramids, and edges with three equivalent W(3)W7 hexagonal pyramids. The W(5)-W(11) bond length is 2.69 Å. The W(5)-W(13) bond length is 2.67 Å. The W(5)-W(6) bond length is 2.70 Å. Both W(5)-W(5) bond lengths are 2.63 Å. In the sixth W site, W(6) is bonded to one W(1), one W(12), one W(13), one W(2), one W(5), one W(9), and two equivalent W(6) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(7)W8 hexagonal bipyramid,  a cornercorner with one W(9)W8 hexagonal bipyramid, corners with two equivalent W(4)W8 hexagonal bipyramids, corners with three equivalent W(6)W8 hexagonal bipyramids,  a cornercorner with one W(11)W7 hexagonal pyramid,  an edgeedge with one W(4)W8 hexagonal bipyramid,  an edgeedge with one W(8)W8 hexagonal bipyramid, edges with three equivalent W(1)W8 hexagonal bipyramids, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with four equivalent W(12)W8 hexagonal bipyramids, edges with four equivalent W(2)W8 hexagonal bipyramids, edges with four equivalent W(9)W8 hexagonal bipyramids, and  an edgeedge with one W(3)W7 hexagonal pyramid. The W(6)-W(12) bond length is 2.69 Å. The W(6)-W(13) bond length is 3.01 Å. The W(6)-W(9) bond length is 3.03 Å. Both W(6)-W(6) bond lengths are 2.63 Å. In the seventh W site, W(7) is bonded to one W(13), one W(3), one W(8), two equivalent W(10), and three equivalent W(7) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(13)W8 hexagonal bipyramid,  a cornercorner with one W(4)W8 hexagonal bipyramid,  a cornercorner with one W(6)W8 hexagonal bipyramid, corners with two equivalent W(7)W8 hexagonal bipyramids, corners with two equivalent W(11)W7 hexagonal pyramids,  an edgeedge with one W(12)W8 hexagonal bipyramid,  an edgeedge with one W(5)W8 hexagonal bipyramid, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(7)W8 hexagonal bipyramids, edges with four equivalent W(8)W8 hexagonal bipyramids,  an edgeedge with one W(11)W7 hexagonal pyramid, edges with four equivalent W(3)W7 hexagonal pyramids, and edges with six equivalent W(10)W7 hexagonal pyramids. The W(7)-W(13) bond length is 2.98 Å. The W(7)-W(8) bond length is 2.68 Å. There is one shorter (2.68 Å) and one longer (3.04 Å) W(7)-W(10) bond length. There are two shorter (2.63 Å) and one longer (2.64 Å) W(7)-W(7) bond length. In the eighth W site, W(8) is bonded to one W(10), one W(11), one W(12), one W(13), one W(4), one W(7), and two equivalent W(8) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(1)W8 hexagonal bipyramid,  a cornercorner with one W(2)W8 hexagonal bipyramid,  a cornercorner with one W(5)W8 hexagonal bipyramid, corners with two equivalent W(8)W8 hexagonal bipyramids,  a cornercorner with one W(10)W7 hexagonal pyramid, corners with two equivalent W(3)W7 hexagonal pyramids,  an edgeedge with one W(5)W8 hexagonal bipyramid,  an edgeedge with one W(6)W8 hexagonal bipyramid,  an edgeedge with one W(9)W8 hexagonal bipyramid, edges with three equivalent W(12)W8 hexagonal bipyramids, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(4)W8 hexagonal bipyramids, edges with four equivalent W(7)W8 hexagonal bipyramids,  an edgeedge with one W(3)W7 hexagonal pyramid, edges with three equivalent W(10)W7 hexagonal pyramids, and edges with three equivalent W(11)W7 hexagonal pyramids. The W(8)-W(10) bond length is 2.96 Å. The W(8)-W(11) bond length is 2.71 Å. The W(8)-W(12) bond length is 3.01 Å. The W(8)-W(13) bond length is 2.70 Å. Both W(8)-W(8) bond lengths are 2.63 Å. In the ninth W site, W(9) is bonded to one W(1), one W(12), one W(4), one W(6), two equivalent W(2), and two equivalent W(9) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(4)W8 hexagonal bipyramid,  a cornercorner with one W(6)W8 hexagonal bipyramid, corners with two equivalent W(13)W8 hexagonal bipyramids, corners with three equivalent W(9)W8 hexagonal bipyramids,  a cornercorner with one W(11)W7 hexagonal pyramid,  an edgeedge with one W(8)W8 hexagonal bipyramid,  an edgeedge with one W(9)W8 hexagonal bipyramid, edges with two equivalent W(5)W8 hexagonal bipyramids, edges with three equivalent W(1)W8 hexagonal bipyramids, edges with three equivalent W(4)W8 hexagonal bipyramids, edges with four equivalent W(12)W8 hexagonal bipyramids, edges with four equivalent W(6)W8 hexagonal bipyramids, and edges with six equivalent W(2)W8 hexagonal bipyramids. The W(9)-W(12) bond length is 2.68 Å. Both W(9)-W(9) bond lengths are 2.63 Å. In the tenth W site, W(10) is bonded to one W(11), one W(3), one W(8), two equivalent W(10), and two equivalent W(7) atoms to form distorted WW7 hexagonal pyramids that share  a cornercorner with one W(12)W8 hexagonal bipyramid,  a cornercorner with one W(8)W8 hexagonal bipyramid, corners with two equivalent W(5)W8 hexagonal bipyramids, corners with two equivalent W(10)W7 hexagonal pyramids, corners with two equivalent W(11)W7 hexagonal pyramids, corners with three equivalent W(3)W7 hexagonal pyramids,  an edgeedge with one W(4)W8 hexagonal bipyramid, edges with two equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(8)W8 hexagonal bipyramids, edges with six equivalent W(7)W8 hexagonal bipyramids,  an edgeedge with one W(10)W7 hexagonal pyramid, edges with two equivalent W(11)W7 hexagonal pyramids, and edges with two equivalent W(3)W7 hexagonal pyramids. The W(10)-W(11) bond length is 2.64 Å. Both W(10)-W(10) bond lengths are 2.63 Å. In the eleventh W site, W(11) is bonded to one W(10), one W(3), one W(4), one W(5), one W(8), and two equivalent W(11) atoms to form distorted WW7 hexagonal pyramids that share  a cornercorner with one W(13)W8 hexagonal bipyramid,  a cornercorner with one W(6)W8 hexagonal bipyramid,  a cornercorner with one W(9)W8 hexagonal bipyramid, corners with two equivalent W(7)W8 hexagonal bipyramids, corners with two equivalent W(10)W7 hexagonal pyramids, corners with two equivalent W(11)W7 hexagonal pyramids, corners with two equivalent W(3)W7 hexagonal pyramids,  an edgeedge with one W(12)W8 hexagonal bipyramid,  an edgeedge with one W(13)W8 hexagonal bipyramid,  an edgeedge with one W(2)W8 hexagonal bipyramid,  an edgeedge with one W(7)W8 hexagonal bipyramid, edges with three equivalent W(4)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with three equivalent W(8)W8 hexagonal bipyramids, edges with two equivalent W(10)W7 hexagonal pyramids, and edges with two equivalent W(3)W7 hexagonal pyramids. Both W(11)-W(11) bond lengths are 2.63 Å. In the twelfth W site, W(12) is bonded to one W(1), one W(13), one W(4), one W(6), one W(8), one W(9), and two equivalent W(12) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(5)W8 hexagonal bipyramid, corners with two equivalent W(2)W8 hexagonal bipyramids, corners with three equivalent W(12)W8 hexagonal bipyramids,  a cornercorner with one W(10)W7 hexagonal pyramid,  a cornercorner with one W(3)W7 hexagonal pyramid,  an edgeedge with one W(2)W8 hexagonal bipyramid,  an edgeedge with one W(5)W8 hexagonal bipyramid,  an edgeedge with one W(7)W8 hexagonal bipyramid, edges with three equivalent W(1)W8 hexagonal bipyramids, edges with three equivalent W(13)W8 hexagonal bipyramids, edges with three equivalent W(4)W8 hexagonal bipyramids, edges with three equivalent W(8)W8 hexagonal bipyramids, edges with four equivalent W(6)W8 hexagonal bipyramids, edges with four equivalent W(9)W8 hexagonal bipyramids, and  an edgeedge with one W(11)W7 hexagonal pyramid. The W(12)-W(13) bond length is 2.70 Å. Both W(12)-W(12) bond lengths are 2.63 Å. In the thirteenth W site, W(13) is bonded to one W(12), one W(3), one W(5), one W(6), one W(7), one W(8), and two equivalent W(13) atoms to form distorted WW8 hexagonal bipyramids that share  a cornercorner with one W(4)W8 hexagonal bipyramid,  a cornercorner with one W(7)W8 hexagonal bipyramid, corners with two equivalent W(13)W8 hexagonal bipyramids, corners with two equivalent W(9)W8 hexagonal bipyramids,  a cornercorner with one W(11)W7 hexagonal pyramid,  an edgeedge with one W(1)W8 hexagonal bipyramid,  an edgeedge with one W(2)W8 hexagonal bipyramid,  an edgeedge with one W(4)W8 hexagonal bipyramid, edges with three equivalent W(12)W8 hexagonal bipyramids, edges with three equivalent W(5)W8 hexagonal bipyramids, edges with three equivalent W(6)W8 hexagonal bipyramids, edges with three equivalent W(7)W8 hexagonal bipyramids, edges with three equivalent W(8)W8 hexagonal bipyramids,  an edgeedge with one W(11)W7 hexagonal pyramid, edges with two equivalent W(10)W7 hexagonal pyramids, and edges with three equivalent W(3)W7 hexagonal pyramids. Both W(13)-W(13) bond lengths are 2.63 Å.