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Synthesis and crystal structure of the disordered modification of Tl 6Si2O7. / Siidra, O. I.; Britvin, S. N.; Krivovichev, S. V.; Klimov, D. A.; Depmeier, W.

In: Glass Physics and Chemistry, Vol. 38, No. 6, 11.2012, p. 473-477.

Research output: Contribution to journal › Article › peer-review

Harvard

Siidra, OI, Britvin, SN, Krivovichev, SV, Klimov, DA & Depmeier, W 2012, 'Synthesis and crystal structure of the disordered modification of Tl 6Si2O7', Glass Physics and Chemistry, vol. 38, no. 6, pp. 473-477. https://doi.org/10.1134/S1087659612060053

APA

Siidra, O. I., Britvin, S. N., Krivovichev, S. V., Klimov, D. A., & Depmeier, W. (2012). Synthesis and crystal structure of the disordered modification of Tl 6Si2O7. Glass Physics and Chemistry, 38(6), 473-477. https://doi.org/10.1134/S1087659612060053

Vancouver

Siidra OI, Britvin SN, Krivovichev SV, Klimov DA, Depmeier W. Synthesis and crystal structure of the disordered modification of Tl 6Si2O7. Glass Physics and Chemistry. 2012 Nov;38(6):473-477. https://doi.org/10.1134/S1087659612060053

Author

Siidra, O. I. ; Britvin, S. N. ; Krivovichev, S. V. ; Klimov, D. A. ; Depmeier, W. / Synthesis and crystal structure of the disordered modification of Tl 6Si2O7. In: Glass Physics and Chemistry. 2012 ; Vol. 38, No. 6. pp. 473-477.

BibTeX

@article{81f965fef8f54aefb22139c7d54c6ba0,
title = "Synthesis and crystal structure of the disordered modification of Tl 6Si2O7",
abstract = "A new compound β-Tl6Si2O7 has been investigated using the methods of IR spectroscopy and microprobe and X-ray diffraction analysis. The elementary unit parameters were as follows: P6 3/m, a = 9.673(2) {\AA}, c = 3.9169(9) {\AA}, and V = 317.4(1) {\AA}3. The structure was resolved by direct methods and corrected until R 1 = 0.029 (wR 2 = 0.047) for 240 reflections [F o] ≥ 4σ F . The crystal structure of β-Tl6Si2O7 contains one symmetrically independent position of the Tl+ cation that forms three short (Tl-O = 2.54 {\AA}) bonds and one weak bond (2.93 {\AA}) with the oxygen atom. One can observe a strong disordering of silicon atoms (Si-Si = 0.64 {\AA}). The distorted tetragonal pyramids TlO4 are linked through silicate tetrahedra into a three-dimensional framework. The interesting feature of the crystal structure of β-Tl6Si2O7 is in the presence of wide channels occupied by lone electron pairs on Tl+ cations. One can also mention that in most of the structures of Tl+ oxygen-containing salts the lone pairs are associated into separate parts in the form of micelles in channels of frameworks or other structural cavities.",
keywords = "lone electron pair, silicates, thallium, thallium oxosalts, X-ray structural analysis",
author = "Siidra, {O. I.} and Britvin, {S. N.} and Krivovichev, {S. V.} and Klimov, {D. A.} and W. Depmeier",
year = "2012",
month = nov,
doi = "10.1134/S1087659612060053",
language = "English",
volume = "38",
pages = "473--477",
journal = "Glass Physics and Chemistry",
issn = "1087-6596",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "6",

}

RIS

TY - JOUR

T1 - Synthesis and crystal structure of the disordered modification of Tl 6Si2O7

AU - Siidra, O. I.

AU - Britvin, S. N.

AU - Krivovichev, S. V.

AU - Klimov, D. A.

AU - Depmeier, W.

PY - 2012/11

Y1 - 2012/11

N2 - A new compound β-Tl6Si2O7 has been investigated using the methods of IR spectroscopy and microprobe and X-ray diffraction analysis. The elementary unit parameters were as follows: P6 3/m, a = 9.673(2) Å, c = 3.9169(9) Å, and V = 317.4(1) Å3. The structure was resolved by direct methods and corrected until R 1 = 0.029 (wR 2 = 0.047) for 240 reflections [F o] ≥ 4σ F . The crystal structure of β-Tl6Si2O7 contains one symmetrically independent position of the Tl+ cation that forms three short (Tl-O = 2.54 Å) bonds and one weak bond (2.93 Å) with the oxygen atom. One can observe a strong disordering of silicon atoms (Si-Si = 0.64 Å). The distorted tetragonal pyramids TlO4 are linked through silicate tetrahedra into a three-dimensional framework. The interesting feature of the crystal structure of β-Tl6Si2O7 is in the presence of wide channels occupied by lone electron pairs on Tl+ cations. One can also mention that in most of the structures of Tl+ oxygen-containing salts the lone pairs are associated into separate parts in the form of micelles in channels of frameworks or other structural cavities.

AB - A new compound β-Tl6Si2O7 has been investigated using the methods of IR spectroscopy and microprobe and X-ray diffraction analysis. The elementary unit parameters were as follows: P6 3/m, a = 9.673(2) Å, c = 3.9169(9) Å, and V = 317.4(1) Å3. The structure was resolved by direct methods and corrected until R 1 = 0.029 (wR 2 = 0.047) for 240 reflections [F o] ≥ 4σ F . The crystal structure of β-Tl6Si2O7 contains one symmetrically independent position of the Tl+ cation that forms three short (Tl-O = 2.54 Å) bonds and one weak bond (2.93 Å) with the oxygen atom. One can observe a strong disordering of silicon atoms (Si-Si = 0.64 Å). The distorted tetragonal pyramids TlO4 are linked through silicate tetrahedra into a three-dimensional framework. The interesting feature of the crystal structure of β-Tl6Si2O7 is in the presence of wide channels occupied by lone electron pairs on Tl+ cations. One can also mention that in most of the structures of Tl+ oxygen-containing salts the lone pairs are associated into separate parts in the form of micelles in channels of frameworks or other structural cavities.

KW - lone electron pair

KW - silicates

KW - thallium

KW - thallium oxosalts

KW - X-ray structural analysis

UR - http://www.scopus.com/inward/record.url?scp=84871658560&partnerID=8YFLogxK

U2 - 10.1134/S1087659612060053

DO - 10.1134/S1087659612060053

M3 - Article

AN - SCOPUS:84871658560

VL - 38

SP - 473

EP - 477

JO - Glass Physics and Chemistry

JF - Glass Physics and Chemistry

SN - 1087-6596

IS - 6

ER -

ID: 9144877