Li2ZnGe crystallizes in the trigonal P-3m1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a 11-coordinate geometry to one Li(2), three equivalent Li(4), three equivalent Zn(1), one Ge(1), and three equivalent Ge(2) atoms. In the second Li site, Li(2) is bonded in a 11-coordinate geometry to one Li(1), three equivalent Li(2), three equivalent Zn(1), and four equivalent Ge(2) atoms. In the third Li site, Li(3) is bonded in a 11-coordinate geometry to one Li(4), three equivalent Li(3), three equivalent Zn(2), and four equivalent Ge(1) atoms. In the fourth Li site, Li(4) is bonded in a 11-coordinate geometry to one Li(3), three equivalent Li(1), three equivalent Zn(2), one Ge(2), and three equivalent Ge(1) atoms. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 9-coordinate geometry to three equivalent Li(1), three equivalent Li(2), and three equivalent Ge(2) atoms. In the second Zn site, Zn(2) is bonded in a 9-coordinate geometry to three equivalent Li(3), three equivalent Li(4), and three equivalent Ge(1) atoms. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 11-coordinate geometry to one Li(1), three equivalent Li(4), four equivalent Li(3), and three equivalent Zn(2) atoms. In the second Ge site, Ge(2) is bonded in a 11-coordinate geometry to one Li(4), three equivalent Li(1), four equivalent Li(2), and three equivalent Zn(1) atoms.
Li2ZnGe crystallizes in the trigonal P-3m1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a 11-coordinate geometry to one Li(2), three equivalent Li(4), three equivalent Zn(1), one Ge(1), and three equivalent Ge(2) atoms. The Li(1)-Li(2) bond length is 2.75 Å. All Li(1)-Li(4) bond lengths are 2.79 Å. All Li(1)-Zn(1) bond lengths are 2.78 Å. The Li(1)-Ge(1) bond length is 2.73 Å. All Li(1)-Ge(2) bond lengths are 2.80 Å. In the second Li site, Li(2) is bonded in a 11-coordinate geometry to one Li(1), three equivalent Li(2), three equivalent Zn(1), and four equivalent Ge(2) atoms. All Li(2)-Li(2) bond lengths are 2.79 Å. All Li(2)-Zn(1) bond lengths are 2.82 Å. There is one shorter (2.74 Å) and three longer (2.80 Å) Li(2)-Ge(2) bond lengths. In the third Li site, Li(3) is bonded in a 11-coordinate geometry to one Li(4), three equivalent Li(3), three equivalent Zn(2), and four equivalent Ge(1) atoms. The Li(3)-Li(4) bond length is 2.75 Å. All Li(3)-Li(3) bond lengths are 2.79 Å. All Li(3)-Zn(2) bond lengths are 2.78 Å. There is one shorter (2.73 Å) and three longer (2.80 Å) Li(3)-Ge(1) bond lengths. In the fourth Li site, Li(4) is bonded in a 11-coordinate geometry to one Li(3), three equivalent Li(1), three equivalent Zn(2), one Ge(2), and three equivalent Ge(1) atoms. All Li(4)-Zn(2) bond lengths are 2.82 Å. The Li(4)-Ge(2) bond length is 2.74 Å. All Li(4)-Ge(1) bond lengths are 2.80 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 9-coordinate geometry to three equivalent Li(1), three equivalent Li(2), and three equivalent Ge(2) atoms. All Zn(1)-Ge(2) bond lengths are 2.44 Å. In the second Zn site, Zn(2) is bonded in a 9-coordinate geometry to three equivalent Li(3), three equivalent Li(4), and three equivalent Ge(1) atoms. All Zn(2)-Ge(1) bond lengths are 2.44 Å. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 11-coordinate geometry to one Li(1), three equivalent Li(4), four equivalent Li(3), and three equivalent Zn(2) atoms. In the second Ge site, Ge(2) is bonded in a 11-coordinate geometry to one Li(4), three equivalent Li(1), four equivalent Li(2), and three equivalent Zn(1) atoms.