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1974
DOI: 10.1515/znb-1974-5-603
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Die Struktur des Di-Zinn-Hexathiohypodiphosphats Sn2P2S6 / The Crystal Structure of Sn2P2Se

Abstract: The Crystal Structure of Sn2P 2S6 G. T hiophosphate, C rystal S tru ctu re D i t t m a r u n d H e r b e r t S cThe crystal stru ctu re has been determ ined for one of th e monoclinic modifications of Sn2P 2S6. There are P 2S6-groups in th e stru ctu re w ith nearly u n d isto rted point group summ etry 3m. These are connected to a threedim ensional netw ork by 7-fold and 8-fold coordi nated tin-atom s. The crystallographic d a ta of th e cell are: a0 = 9.378(5) Ä, b0 =7.488(5) Ä, c0 = 6.513(5) A, ß = 91,15°(5… Show more

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Cited by 116 publications
(33 citation statements)
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“…• C [20,21]. The value of the dielectric constants of Sn 2 P 2 S 6 strongly depends on the quality of the samples [22].…”
Section: Methodsmentioning
confidence: 99%
“…• C [20,21]. The value of the dielectric constants of Sn 2 P 2 S 6 strongly depends on the quality of the samples [22].…”
Section: Methodsmentioning
confidence: 99%
“…In the calculations there have been used the structural data for Sn 2 P 2 S 6 crystals (in the PE (T = 383 K) and FE (T = 293 K) phases) and Sn 2 P 2 Se 6 crystals (in the PE (T = 293 K) phase) taken from [21,33,40] works. The crystals under research are referred to ion-covalent compounds.…”
Section: Methodsmentioning
confidence: 99%
“…The given facts allow us to admit the possible presence of the longitudinal component in the polarization wave in its IC phase. While choosing the elementary cell in accordance with [21], the [100] and [001] axes are orientated at approximately the angle of 91.16…”
Section: Introductionmentioning
confidence: 99%
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“…At ambient pressure, the Sn 2 P 2 S 6 crystal undergoes a second-order structural transition from the ferroelectric phase (Pn) to the paraelectric (P2 1 /n) one at 337 K, which was thoroughly investigated by X-ray diffraction [5], dielectric studies [6], Raman scattering [7][8][9], inelastic neutron scattering [10], ultrasonic measurements [11], optical spectroscopy [12], birefringence measurements [13], Mössbauer spectroscopy [14,15], X-ray photoelectron spectroscopy [16,17], soft X-ray fluorescence spectroscopy [16], and thermal expansion studies [18]. In most cases, these studies were carried out for good quality bulk single crystals.…”
Section: Introductionmentioning
confidence: 99%