Synthesis and Crystal Structure of Dinitratotetra(hexamethylphosphoric Triamide)-Lanthanum(III)Tetra(Isothiocyanato)Diammine Chromate(III)

A new coordination compound having the formula [La(HMPA) 4 (NO 3 ) 2 ][Cr(NH 3 ) 2 (NCS) 4 ] (I), where HMPA is ((CH 3 ) 2 N) 3 PO, has been synthesized and studied by X-ray diffraction. Studied crystals of compound I are monoclinic, space group P 2 1 / n , a = 15.0360(3) Å, b = 15.1214(3) Å, c = 26...

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Bibliographic Details
Published in:Russian journal of inorganic chemistry 2018, Vol.63 (1), p.34-39
Main Authors: Bobrovnikova, A. A., Peresypkina, E. V., Virovets, A. V., Cherkasova, T. G., Tatarinova, E. S.
Format: Article
Language:English
Subjects:
Ammonia
Chemistry
Chemistry and Materials Science
Chromates
Coordination Compounds
Crystal structure
Diffraction
Inorganic Chemistry
Lanthanum
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Summary:A new coordination compound having the formula [La(HMPA) 4 (NO 3 ) 2 ][Cr(NH 3 ) 2 (NCS) 4 ] (I), where HMPA is ((CH 3 ) 2 N) 3 PO, has been synthesized and studied by X-ray diffraction. Studied crystals of compound I are monoclinic, space group P 2 1 / n , a = 15.0360(3) Å, b = 15.1214(3) Å, c = 26.7529(7) Å, β = 100.6610(10)°, V = 5977.7(9) Å3, Z = 2, ρ calc = 1.442 g/cm 3 , and R 1 = 0.0453 for 7344 reflections with F o ≥ 4σ( F o ).
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023618010047