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Experimental and theoretical study of polymorphism in CsCuPO4. / Chernyatieva, A. P.; Krivovichev, S. V.; Spiridonova, D. V.; Osinovskaya, M. S.

In: ВЕСТНИК САНКТ-ПЕТЕРБУРГСКОГО УНИВЕРСИТЕТА. СЕРИЯ 7: ГЕОЛОГИЯ, ГЕОГРАФИЯ, No. 3, 09.2015, p. 49-57.

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

Harvard

Chernyatieva, AP, Krivovichev, SV, Spiridonova, DV & Osinovskaya, MS 2015, 'Experimental and theoretical study of polymorphism in CsCuPO4', ВЕСТНИК САНКТ-ПЕТЕРБУРГСКОГО УНИВЕРСИТЕТА. СЕРИЯ 7: ГЕОЛОГИЯ, ГЕОГРАФИЯ, no. 3, pp. 49-57.

APA

Chernyatieva, A. P., Krivovichev, S. V., Spiridonova, D. V., & Osinovskaya, M. S. (2015). Experimental and theoretical study of polymorphism in CsCuPO4. ВЕСТНИК САНКТ-ПЕТЕРБУРГСКОГО УНИВЕРСИТЕТА. СЕРИЯ 7: ГЕОЛОГИЯ, ГЕОГРАФИЯ, (3), 49-57.

Vancouver

Chernyatieva AP, Krivovichev SV, Spiridonova DV, Osinovskaya MS. Experimental and theoretical study of polymorphism in CsCuPO4. ВЕСТНИК САНКТ-ПЕТЕРБУРГСКОГО УНИВЕРСИТЕТА. СЕРИЯ 7: ГЕОЛОГИЯ, ГЕОГРАФИЯ. 2015 Sep;(3):49-57.

Author

Chernyatieva, A. P. ; Krivovichev, S. V. ; Spiridonova, D. V. ; Osinovskaya, M. S. / Experimental and theoretical study of polymorphism in CsCuPO4. In: ВЕСТНИК САНКТ-ПЕТЕРБУРГСКОГО УНИВЕРСИТЕТА. СЕРИЯ 7: ГЕОЛОГИЯ, ГЕОГРАФИЯ. 2015 ; No. 3. pp. 49-57.

BibTeX

@article{5bb77114489f4bac8bf68b7e45802393,
title = "Experimental and theoretical study of polymorphism in CsCuPO4",
abstract = "Crystals of two polymorphs of CsCuPO4 have been obtained by high-temperature reaction of CsNO3, Cu2(NO3)2 and (NH4)4P2O7. The structures of both polymorphs were solved using single crystal X-ray diff raction. α-CsCuPO4 is orthorhombic, space group Cmcm, a = 7,0176(10), b = 6,8494(5), c = 22,691(2) A, V = 1064,1(4) A3, R1 = 0,116 for 782 unique reflections [I > 2s(I)]. The structure is based upon anionic layers [Cu(PO4)]-, with Cs+ ions in between. β-CsCuPO4 is orthorhombic as well, space group Pm21n, a = 5,3362(9), b = 8,8712(20), c = 8,967(18) A, V = 422,58(15) A3, R1 = 0,096 for 1191 unique reflections [I > 2s(I)]. The structure consists of the [Cu(PO4)]-framework of the ABW topology formed by corner sharing of [PO4] and [Cu2+O4] tetrahedra. Cs+ ions reside in framework cavities. Comparative study of complexity parameters and molar volumes of the two phases demonstrates that the layered α-phase is a high-temperature modification, whereas the β-phase is a low-temperature modification. Refs 22. Tables 6.",
keywords = "Cesium, Complexity, Copper, Crystal structure, Phosphates, Polymorphism, Radionuclides",
author = "Chernyatieva, {A. P.} and Krivovichev, {S. V.} and Spiridonova, {D. V.} and Osinovskaya, {M. S.}",
year = "2015",
month = sep,
language = "English",
pages = "49--57",
journal = "Вестник Санкт-Петербургского университета. Науки о Земле",
issn = "2541-9668",
publisher = "Издательство Санкт-Петербургского университета",
number = "3",

}

RIS

TY - JOUR

T1 - Experimental and theoretical study of polymorphism in CsCuPO4

AU - Chernyatieva, A. P.

AU - Krivovichev, S. V.

AU - Spiridonova, D. V.

AU - Osinovskaya, M. S.

PY - 2015/9

Y1 - 2015/9

N2 - Crystals of two polymorphs of CsCuPO4 have been obtained by high-temperature reaction of CsNO3, Cu2(NO3)2 and (NH4)4P2O7. The structures of both polymorphs were solved using single crystal X-ray diff raction. α-CsCuPO4 is orthorhombic, space group Cmcm, a = 7,0176(10), b = 6,8494(5), c = 22,691(2) A, V = 1064,1(4) A3, R1 = 0,116 for 782 unique reflections [I > 2s(I)]. The structure is based upon anionic layers [Cu(PO4)]-, with Cs+ ions in between. β-CsCuPO4 is orthorhombic as well, space group Pm21n, a = 5,3362(9), b = 8,8712(20), c = 8,967(18) A, V = 422,58(15) A3, R1 = 0,096 for 1191 unique reflections [I > 2s(I)]. The structure consists of the [Cu(PO4)]-framework of the ABW topology formed by corner sharing of [PO4] and [Cu2+O4] tetrahedra. Cs+ ions reside in framework cavities. Comparative study of complexity parameters and molar volumes of the two phases demonstrates that the layered α-phase is a high-temperature modification, whereas the β-phase is a low-temperature modification. Refs 22. Tables 6.

AB - Crystals of two polymorphs of CsCuPO4 have been obtained by high-temperature reaction of CsNO3, Cu2(NO3)2 and (NH4)4P2O7. The structures of both polymorphs were solved using single crystal X-ray diff raction. α-CsCuPO4 is orthorhombic, space group Cmcm, a = 7,0176(10), b = 6,8494(5), c = 22,691(2) A, V = 1064,1(4) A3, R1 = 0,116 for 782 unique reflections [I > 2s(I)]. The structure is based upon anionic layers [Cu(PO4)]-, with Cs+ ions in between. β-CsCuPO4 is orthorhombic as well, space group Pm21n, a = 5,3362(9), b = 8,8712(20), c = 8,967(18) A, V = 422,58(15) A3, R1 = 0,096 for 1191 unique reflections [I > 2s(I)]. The structure consists of the [Cu(PO4)]-framework of the ABW topology formed by corner sharing of [PO4] and [Cu2+O4] tetrahedra. Cs+ ions reside in framework cavities. Comparative study of complexity parameters and molar volumes of the two phases demonstrates that the layered α-phase is a high-temperature modification, whereas the β-phase is a low-temperature modification. Refs 22. Tables 6.

KW - Cesium

KW - Complexity

KW - Copper

KW - Crystal structure

KW - Phosphates

KW - Polymorphism

KW - Radionuclides

UR - http://www.scopus.com/inward/record.url?scp=85042752579&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:85042752579

SP - 49

EP - 57

JO - Вестник Санкт-Петербургского университета. Науки о Земле

JF - Вестник Санкт-Петербургского университета. Науки о Земле

SN - 2541-9668

IS - 3

ER -

ID: 35996635