Crystal structure of potassium β-tetrafluoroantimonate(III) (β-KSbF4)
Сrystals of the previously unknown polymorph of potassium tetrafluoroantimonate(III) (β-KSbF 4 ) are synthesized and their crystal structure is determined (orthorhombic crystal system: a = 8.1631(5) Å, b = 7.8563(5) Å, c = 6.5396(4) Å, V = 419.40(5) Å 3 , Z = 4, d calc = 3.751 g/cm 3 , F (000) = 424...
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Published in | Journal of structural chemistry Vol. 58; no. 4; pp. 821 - 823 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Moscow
Pleiades Publishing
01.07.2017
Springer Nature B.V |
Subjects | |
Online Access | Get full text |
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Summary: | Сrystals of the previously unknown polymorph of potassium tetrafluoroantimonate(III) (β-KSbF
4
) are synthesized and their crystal structure is determined (orthorhombic crystal system:
a
= 8.1631(5) Å,
b
= 7.8563(5) Å,
c
= 6.5396(4) Å,
V
= 419.40(5) Å
3
,
Z
= 4,
d
calc
= 3.751 g/cm
3
,
F
(000) = 424, space group
Pmn
2
1
). The main structural units of β-KSbF
4
within the first coordination sphere are dimer complex [Sb
2
F
8
]
2–
anions formed of trigonal SbF
4
E and tetragonal SbF
5
E bipyramids with a common vertex. The previously described α-KSbF
4
polymorph consists of tetrameric [Sb
4
F
16
]
4–
complexes formed of SbF
5
E bipyramids. |
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ISSN: | 0022-4766 1573-8779 |
DOI: | 10.1134/S0022476617040278 |