Published April 2006 | Version v1
Journal article Metadata-only

Thulium(III) trifluoroacetates Tm(CF3COO)3·3H2O and Tm2(CF3COO)6·2CF3COOH·3H2O: synthesis and crystal structure

Creators

  • 1. Moskovskij Gosudarstvennyj Univ. im. M.V. Lomonosova, Fakul'tet Nauk o Materialakh, Moscow (Russian Federation)
  • 2. Moskovskij Gosudarstvennyj Univ. im. M.V. Lomonosova, Khimicheskij Fakul'tet, Moscow (Russian Federation)

Description

Compounds of thulium trifluoroacetate of Tm(CF3COO)3·3H2O (1) and Tm2(CF3COO)6·2CF3COOH·3H2O (2) composition are prepared. Crystals are monoclinic ones: 1 - a=9.062(2), b=18.678(3), c=9.687(2) A, β=113.93(1) Deg, Z=2, space group P21/c; 2 - a=8.560(4), b=19.866(5), c=20.813(7) A, β=101.69(4) Deg, Z=8, space group C21/c. In the molecule 1 thulium atoms are bonded in pairs by four bridge trifluoroacetate anions in dimers. Coordination number of thulium is 8. In chain structure of there are two crystallographically independent thulium atoms with coordination numbers 8 and 9. Coordination polyhedron of Tm(1) and Tm(2) is distorted single-cap tetragonal antiprism and tetragonal antiprism correspondingly

Abstract (Russian)

Получены соединения трифторацетата тулия состава Tm(CF3COO)3·3H2O (1) и Tm2(CF3COO)6·2CF3COOH·3H2O (2). Кристаллы моноклинные: 1 - a=9.062(2), b=18.678(3), c=9.687(2) A, β=113.93(1) град., Z=2, пр. гр. P21/c; 2 - a=8.560(4), b=19.866(5), c=20.813(7) A, β=101.69(4) град., Z=8, пр. гр. C21/c. В молекулярной структуре 1 молекулы тулия попарно связаны четырьмя мостиковыми трифторацетат-ионами в димеры. Координационное число тулия равно 8. В цепочечной структуре 2 имеются два кристаллографически независимых атома тулия с координационным числом 8 и 9. Координационный полиэдр атомов Tm(1) и Tm(2) - искаженная одношапочная тетрагональная антипризма и тетрагональная антипризма соответственно

Additional details

Additional titles

Original title (Russian)
Синтез и кристаллическая структура трифторацетатов тулия(III): Тм(CF

Publishing Information

Journal Title
Zhurnal Neorganicheskoj Khimii
Journal Volume
51
Journal Issue
4
Journal Page Range
p. 593-600
ISSN
0044-457X
CODEN
ZNOKAQ

INIS

Country of Publication
Russian Federation
Country of Input or Organization
Russian Federation
INIS RN
37064558
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
BOND ANGLE; BOND LENGTHS; CARBOXYLIC ACID SALTS; CHEMICAL COMPOSITION; CHEMICAL PREPARATION; COORDINATION NUMBER; CRYSTAL LATTICES; HYDRATES; LATTICE PARAMETERS; ORGANIC FLUORINE COMPOUNDS; THULIUM COMPOUNDS
Descriptors DEC
CRYSTAL STRUCTURE; DIMENSIONS; LENGTH; ORGANIC COMPOUNDS; ORGANIC HALOGEN COMPOUNDS; RARE EARTH COMPOUNDS; SYNTHESIS

Optional Information

Notes
16 refs., 5 figs., 8 tabs.