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Meet the Cerium(IV) Phosphate Sisters: Ce IV (OH)PO 4 and Ce IV 2 O(PO 4 ) 2
Author(s) -
Kozlova Taisiya O.,
Mironov Andrey V.,
Istomin Sergey Y.,
Birichevskaya Karina V.,
Gippius Andrey A.,
Zhurenko Sergey V.,
Shatalova Tatyana B.,
Baranchikov Alexander E.,
Ivanov Vladimir K.
Publication year - 2020
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.202002527
Subject(s) - cerium , isostructural , chemistry , crystal structure , decomposition , thermal decomposition , nuclear chemistry , crystallography , inorganic chemistry , organic chemistry
Two new cerium(IV) phosphates were obtained: cerium(IV) hydroxidophosphate, Ce(OH)PO 4 , and cerium(IV) oxidophosphate, Ce 2 O(PO 4 ) 2 , which were shown to complement the classes of isostructural compounds M(OH)PO 4 and R 2 O(PO 4 ) 2 , where M=Th, U and R=Th, U, Np, Zr. Ce 2 O(PO 4 ) 2 oxidophosphate is formed by elimination of H 2 O from the crystal structure of Ce(OH)PO 4 during its thermal decomposition. The structures of Ce(OH)PO 4 and Ce 2 O(PO 4 ) 2 are related to each other with the same Cmce space group and similar unit cell parameters ( a =6.9691(3) Å, b= 9.0655(4) Å, c =12.2214(4) Å, V= 772.13(8) Å 3 , Z =8; a =7.0220(4) Å, b= 8.9894(5) Å, c =12.544(1) Å, V= 791.8(1) Å 3 , Z =4, respectively).

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