BC5N2H17 is Silicon tetrafluoride-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two BC5N2H17 clusters. B(1) is bonded to one N(1), one H(15), one H(16), and one H(17) atom to form BH3N tetrahedra that share  a cornercorner with one C(1)H2N2 tetrahedra,  a cornercorner with one C(2)H3N tetrahedra, and  a cornercorner with one C(3)H3N tetrahedra. There are four inequivalent C sites. In the first C site, C(1) is bonded to one N(1), one N(2), one H(1), and one H(2) atom to form CH2N2 tetrahedra that share  a cornercorner with one B(1)H3N tetrahedra;  a cornercorner with one C(2)H3N tetrahedra;  a cornercorner with one C(3)H3N tetrahedra; and corners with two equivalent C(4,5)H3N tetrahedra. In the second C site, C(2) is bonded to one N(1), one H(3), one H(4), and one H(5) atom to form CH3N tetrahedra that share  a cornercorner with one B(1)H3N tetrahedra,  a cornercorner with one C(1)H2N2 tetrahedra, and  a cornercorner with one C(3)H3N tetrahedra. In the third C site, C(3) is bonded to one N(1), one H(6), one H(7), and one H(8) atom to form CH3N tetrahedra that share  a cornercorner with one B(1)H3N tetrahedra,  a cornercorner with one C(1)H2N2 tetrahedra, and  a cornercorner with one C(2)H3N tetrahedra. In the fourth C site, C(4,5) is bonded to one N(2), one H(10), one H(11), and one H(9) atom to form CH3N tetrahedra that share  a cornercorner with one C(1)H2N2 tetrahedra and  a cornercorner with one C(4,5)H3N tetrahedra. There are two inequivalent N sites. In the first N site, N(1) is bonded in a tetrahedral geometry to one B(1), one C(1), one C(2), and one C(3) atom. In the second N site, N(2) is bonded in a trigonal non-coplanar geometry to one C(1) and two equivalent C(4,5) atoms. There are seventeen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(2) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(3) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(3) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(3) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(4,5) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(4,5) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(4,5) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(4,5) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(4,5) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(4,5) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one B(1) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one B(1) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one B(1) atom.
BC5N2H17 is Silicon tetrafluoride-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two BC5N2H17 clusters. B(1) is bonded to one N(1), one H(15), one H(16), and one H(17) atom to form BH3N tetrahedra that share  a cornercorner with one C(1)H2N2 tetrahedra,  a cornercorner with one C(2)H3N tetrahedra, and  a cornercorner with one C(3)H3N tetrahedra. The B(1)-N(1) bond length is 1.63 Å. The B(1)-H(15) bond length is 1.22 Å. The B(1)-H(16) bond length is 1.22 Å. The B(1)-H(17) bond length is 1.22 Å. There are four inequivalent C sites. In the first C site, C(1) is bonded to one N(1), one N(2), one H(1), and one H(2) atom to form CH2N2 tetrahedra that share  a cornercorner with one B(1)H3N tetrahedra;  a cornercorner with one C(2)H3N tetrahedra;  a cornercorner with one C(3)H3N tetrahedra; and corners with two equivalent C(4,5)H3N tetrahedra. The C(1)-N(1) bond length is 1.52 Å. The C(1)-N(2) bond length is 1.44 Å. The C(1)-H(1) bond length is 1.10 Å. The C(1)-H(2) bond length is 1.10 Å. In the second C site, C(2) is bonded to one N(1), one H(3), one H(4), and one H(5) atom to form CH3N tetrahedra that share  a cornercorner with one B(1)H3N tetrahedra,  a cornercorner with one C(1)H2N2 tetrahedra, and  a cornercorner with one C(3)H3N tetrahedra. The C(2)-N(1) bond length is 1.49 Å. The C(2)-H(3) bond length is 1.10 Å. The C(2)-H(4) bond length is 1.10 Å. The C(2)-H(5) bond length is 1.10 Å. In the third C site, C(3) is bonded to one N(1), one H(6), one H(7), and one H(8) atom to form CH3N tetrahedra that share  a cornercorner with one B(1)H3N tetrahedra,  a cornercorner with one C(1)H2N2 tetrahedra, and  a cornercorner with one C(2)H3N tetrahedra. The C(3)-N(1) bond length is 1.49 Å. The C(3)-H(6) bond length is 1.10 Å. The C(3)-H(7) bond length is 1.09 Å. The C(3)-H(8) bond length is 1.10 Å. In the fourth C site, C(4,5) is bonded to one N(2), one H(10), one H(11), and one H(9) atom to form CH3N tetrahedra that share  a cornercorner with one C(1)H2N2 tetrahedra and  a cornercorner with one C(4,5)H3N tetrahedra. The C(4,5)-N(2) bond length is 1.47 Å. The C(4,5)-H(10) bond length is 1.10 Å. The C(4,5)-H(11) bond length is 1.10 Å. The C(4,5)-H(9) bond length is 1.11 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a tetrahedral geometry to one B(1), one C(1), one C(2), and one C(3) atom. In the second N site, N(2) is bonded in a trigonal non-coplanar geometry to one C(1) and two equivalent C(4,5) atoms. There are seventeen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(2) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(3) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(3) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(3) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(4,5) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(4,5) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(4,5) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(4,5) atom. The H(12)-C(4,5) bond length is 1.10 Å. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(4,5) atom. The H(13)-C(4,5) bond length is 1.10 Å. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(4,5) atom. The H(14)-C(4,5) bond length is 1.11 Å. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one B(1) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one B(1) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one B(1) atom.