Pr2BiN crystallizes in the tetragonal P4/nmm space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded to four equivalent Bi(1) and four equivalent N(1) atoms to form a mixture of distorted face and edge-sharing PrBi4N4 trigonal pyramids. In the second Pr site, Pr(2) is bonded in a distorted single-bond geometry to five equivalent Bi(1) and one N(1) atom. Bi(1) is bonded to four equivalent Pr(1) and five equivalent Pr(2) atoms to form distorted BiPr9 square pyramids that share corners with four equivalent Bi(1)Pr9 square pyramids, corners with five equivalent N(1)Pr5 trigonal bipyramids, edges with eight equivalent Bi(1)Pr9 square pyramids, faces with four equivalent Bi(1)Pr9 square pyramids, and faces with five equivalent N(1)Pr5 trigonal bipyramids. N(1) is bonded to one Pr(2) and four equivalent Pr(1) atoms to form distorted NPr5 trigonal bipyramids that share corners with five equivalent Bi(1)Pr9 square pyramids, corners with four equivalent N(1)Pr5 trigonal bipyramids, edges with four equivalent N(1)Pr5 trigonal bipyramids, and faces with five equivalent Bi(1)Pr9 square pyramids.
Pr2BiN crystallizes in the tetragonal P4/nmm space group. There are two inequivalent Pr sites. In the first Pr site, Pr(1) is bonded to four equivalent Bi(1) and four equivalent N(1) atoms to form a mixture of distorted face and edge-sharing PrBi4N4 trigonal pyramids. All Pr(1)-Bi(1) bond lengths are 3.75 Å. All Pr(1)-N(1) bond lengths are 2.51 Å. In the second Pr site, Pr(2) is bonded in a distorted single-bond geometry to five equivalent Bi(1) and one N(1) atom. There are four shorter (3.38 Å) and one longer (3.51 Å) Pr(2)-Bi(1) bond length. The Pr(2)-N(1) bond length is 2.29 Å. Bi(1) is bonded to four equivalent Pr(1) and five equivalent Pr(2) atoms to form distorted BiPr9 square pyramids that share corners with four equivalent Bi(1)Pr9 square pyramids, corners with five equivalent N(1)Pr5 trigonal bipyramids, edges with eight equivalent Bi(1)Pr9 square pyramids, faces with four equivalent Bi(1)Pr9 square pyramids, and faces with five equivalent N(1)Pr5 trigonal bipyramids. N(1) is bonded to one Pr(2) and four equivalent Pr(1) atoms to form distorted NPr5 trigonal bipyramids that share corners with five equivalent Bi(1)Pr9 square pyramids, corners with four equivalent N(1)Pr5 trigonal bipyramids, edges with four equivalent N(1)Pr5 trigonal bipyramids, and faces with five equivalent Bi(1)Pr9 square pyramids.