A new yttrium sesquichloride nitride,. beta. -Y sub 2 Cl sub 3 N, that is isostructural with the binary yttrium sesquichloride

Journal Article · Wed Jun 28 04:00:00 EDT 1989 · Inorganic Chemistry; (USA)

DOI:https://doi.org/10.1021/ic00312a026· OSTI ID:5119187

Meyer, H J; Jones, N L; Corbett, J D ^[1]

---

1. Iowa State Univ., Ames (USA)

Reactions of YCl{sub 3}, YN, and Y metal in sealed Nb containers over a range of temperatures and compositions afford {beta}-Y{sub 2}Co{sub 3}N, whereas only {alpha}-Y{sub 2}Cl{sub 3}N in the ({alpha}-)Gd{sub 2}Cl{sub 3}N structure is obtained in the absence of metal. {beta}-Gd{sub 2}Cl{sub 3}N is synthesized similarly. The {beta}-Y{sub 2}Cl{sub 3}N ({beta}-Gd{sub 2}Cl{sub 3}N) gives a powder pattern that is indistinguishable from that of the infinite cluster chain phase Y{sub 2}Cl{sub 3} (Gd{sub 2}Cl{sub 3}) except from small increases in lattice parameters corresponding to a 2% (1%) increase in cell volume. Crystal structures of both the {alpha}- and {beta}- compounds are reported. A single-crystal x-ray study of {beta}-Y{sub 2}Cl{sub 3}N (R = 3.9%, R{sub w} = 4.8%) demonstrates that the nitrogen atoms are positioned in tetrahedral metal sites above and below the shared metal edges of the infinite chain of octahedra found in Y{sub 2}Cl{sub 3}. The need for metal in the syntheses, the black color of the fibrous crystals, and the refined occupancy of nitrogen (81 (2)%) in the yttrium phase all suggest a small nitrogen deficiency in {beta}-(Y,Gd){sub 2}Cl{sub 3}N. The close correspondence of distances in the binary vs the ternary ({beta}) sesquichlorides, particularly the small (0.024 {angstrom}) increase in the shared Y-Y edge, is discussed. 22 refs., 1 fig., 3 tabs.

• OSTI ID: 5119187
• Journal Information: Inorganic Chemistry; (USA), Journal Name: Inorganic Chemistry; (USA) Vol. 28:13; ISSN 0020-1669; ISSN INOCA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
CHEMICAL PREPARATION
CHLORIDES
CHLORINE COMPOUNDS
CRYSTAL STRUCTURE
DATA
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
INFORMATION
NITRIDES
NITROGEN COMPOUNDS
NUMERICAL DATA
PNICTIDES
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM CHLORIDES
YTTRIUM COMPOUNDS
YTTRIUM NITRIDES