title: Garnet-type Mn(3)Cr(2)(GeO(4))(3).
abstract: Single crystals of garnet-type trimanganese(II) dichrom-i-um(III) tris-[orthogermanate(IV)], Mn(II) (3)Cr(III) (2)(GeO(4))(3), were obtained by utilizing a chemical transport reaction. Corres-ponding to the mineral garnet with the general formula A(II) (3)B(III) (2)(SiO(4))(3), each of the four elements occupies only one crystallographically distinct position. Mn(2+) occupies the respective A position (Wyckoff site 24c, site symmetry 2.22), being surrounded by eight O atoms that form a distorted cube [d(Mn-O) = 2.291 (2) and 2.422 (2) Å, 4× each], while Cr(3+) on the B position (Wyckoff site 16a, site symmetry .-3.) is situated in a slightly distorted octa-hedron of six O(2-) anions [d(Cr-O) = 1.972 (2) Å, 6×]. In addition, the O atoms on general site 96h form isolated [GeO(4)](4-) tetra-hedra with Ge(4+) on site 24d [site symmetry -4..; d(Ge-O) = 1.744 (2) Å, 4×].
authors.affiliation: Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart,  Germany.
authors.forename: Christian
authors.initials: C
authors.lastname: Lipp
authors.forename: Sabine
authors.initials: S
authors.lastname: Strobel
authors.forename: Falk
authors.initials: F
authors.lastname: Lissner
authors.forename: Rainer
authors.initials: R
authors.lastname: Niewa