TY - JOUR
T1 - Synthesis and structure of Pr3InSe6
AU - Aleandri, Lorraine E.
AU - Ibers, James A.
N1 - Funding Information:
This research was supported by the U.S. National Science Foundation, Solid State Chemistry, Grant DMR-83-15554.U se was made of the Scanning Electron Microscope Facility of Northwestern University’s Material Research Center, supportedi n part under the NSF-MRL program (Grant DMR-8520280).
PY - 1989/3
Y1 - 1989/3
N2 - Single crystals of the new compound Pr3InSe6 have been obtained by direct reaction among Pr, Se, and In2Se3 powders at 950°C. The material crystallizes with four formula units in space group C52h - P21 c of the monoclinic system in a cell (at 123 K) of dimensions a = 4.109(1), b = 14.275(1), c = 17.891(2) Å, β = 103.27(1)°. The structure has been solved and refined from single-crystal X-ray data. The asymmetric unit contains three independent Pr atoms, two independent In atoms, and six independent Se atoms. Two of the crystallographically unique Pr atoms are in distorted bicapped trigonal prisms or distorted square antiprisms of Se atoms with PrSe interactions ranging from 2.970(2) to 3.281(2) Å while the other Pr atom is 7-coordinate in a greatly distorted monocapped octahedral environment with PrSe interactions ranging from 2.911(2) to 3.079(2) Å. Both independent In atoms are in distorted octahedra of Se atoms with InSe interactions ranging from 2.537(2) to 2.856(2) Å.
AB - Single crystals of the new compound Pr3InSe6 have been obtained by direct reaction among Pr, Se, and In2Se3 powders at 950°C. The material crystallizes with four formula units in space group C52h - P21 c of the monoclinic system in a cell (at 123 K) of dimensions a = 4.109(1), b = 14.275(1), c = 17.891(2) Å, β = 103.27(1)°. The structure has been solved and refined from single-crystal X-ray data. The asymmetric unit contains three independent Pr atoms, two independent In atoms, and six independent Se atoms. Two of the crystallographically unique Pr atoms are in distorted bicapped trigonal prisms or distorted square antiprisms of Se atoms with PrSe interactions ranging from 2.970(2) to 3.281(2) Å while the other Pr atom is 7-coordinate in a greatly distorted monocapped octahedral environment with PrSe interactions ranging from 2.911(2) to 3.079(2) Å. Both independent In atoms are in distorted octahedra of Se atoms with InSe interactions ranging from 2.537(2) to 2.856(2) Å.
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U2 - 10.1016/0022-4596(89)90255-7
DO - 10.1016/0022-4596(89)90255-7
M3 - Article
AN - SCOPUS:0024620783
SN - 0022-4596
VL - 79
SP - 107
EP - 111
JO - Journal of Solid State Chemistry
JF - Journal of Solid State Chemistry
IS - 1
ER -