New crystal data for ferroelastic isopropyl ammonium chloroplatinate and chlorostannate (IPACP and IPACS) | Zendy

Bhalla A. S. | Zendy; Cross L. E. | Zendy

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New crystal data for ferroelastic isopropyl ammonium chloroplatinate and chlorostannate (IPACP and IPACS)

Author(s) -

Bhalla A. S.,

Cross L. E.

Publication year - 1974

Publication title -

journal of applied crystallography

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.429

H-Index - 162

ISSN - 1600-5767

DOI - 10.1107/s0021889874009629

Subject(s) - orthorhombic crystal system , monoclinic crystal system , crystal twinning , isopropyl , crystallography , materials science , powder diffraction , ammonium , second harmonic generation , crystal structure , chemistry , optics , physics , organic chemistry , microstructure , laser

Two new ferroelastic compounds, isopropyl ammonium chloroplatinate (C 3 H 7 NH 3 ) 2 PtCl 6 and isopropyl ammonium chlorostannate (C 3 H 7 NH 3 ) 2 SnCl 6 , studied at room temperature (23°C) with Laue, Weissenberg, powder X‐ray diffraction and optical second‐harmonic generation (SHG) techniques have probable space group P 2 1 / c ( Bbcm above 37°C and 40°C respectively). The crystals are so strongly pseudo‐orthorhombic ( Bbcm ) with prevalent twinning that the monoclinic character is not apparent in the X‐ray powder pattern. Lattice parameters for the pseudo‐orthorhombic cells are a = 11.589 (1), b = 19.024 (3), c = 7.237 (3) Å, for IPACP and a = 11.851 (7), b = 19.05 (1) and c = 7.227 (4) Å for IPACS.

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