Pb(C4N3)2 crystallizes in the orthorhombic Pmna space group. Pb(1) is bonded in an octahedral geometry to two equivalent N(2) and four equivalent N(1) atoms. There are three inequivalent C sites. In the first C site, C(1) is bonded in a distorted linear geometry to one C(2) and one N(2) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1) and two equivalent C(3) atoms. In the third C site, C(3) is bonded in a distorted linear geometry to one C(2) and one N(1) atom. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted linear geometry to one Pb(1) and one C(3) atom. In the second N site, N(2) is bonded in a distorted single-bond geometry to one Pb(1) and one C(1) atom.
Pb(C4N3)2 crystallizes in the orthorhombic Pmna space group. Pb(1) is bonded in an octahedral geometry to two equivalent N(2) and four equivalent N(1) atoms. Both Pb(1)-N(2) bond lengths are 2.69 Å. All Pb(1)-N(1) bond lengths are 2.65 Å. There are three inequivalent C sites. In the first C site, C(1) is bonded in a distorted linear geometry to one C(2) and one N(2) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-N(2) bond length is 1.17 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1) and two equivalent C(3) atoms. Both C(2)-C(3) bond lengths are 1.40 Å. In the third C site, C(3) is bonded in a distorted linear geometry to one C(2) and one N(1) atom. The C(3)-N(1) bond length is 1.17 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted linear geometry to one Pb(1) and one C(3) atom. In the second N site, N(2) is bonded in a distorted single-bond geometry to one Pb(1) and one C(1) atom.