Three Modifications of [Pr 2 (ClO 4 ) 2 (H 2 I 2 O 10 )]·8 H 2 O — A Theme with Variations | Zendy

Fischer Andreas | Zendy

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Three Modifications of [Pr 2 (ClO 4 ) 2 (H 2 I 2 O 10 )]·8 H 2 O — A Theme with Variations

Author(s) -

Fischer Andreas

Publication year - 2004

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.200300326

Subject(s) - monoclinic crystal system , praseodymium , chemistry , crystallography , perchlorate , crystal structure , ion , inorganic chemistry , organic chemistry

From solutions containing praseodymium perchlorate and periodic acid, three different modifications of [Pr 2 (ClO 4 ) 2 (H 2 I 2 O 10 )] · 8 H 2 O could be obtained. All of them crystallize in the monoclinic system, space group P 2 1 / c (α: a = 1091.47(6), b = 728.24(4), c = 1388.84(8) pm, β = 101.420(3)°; β: a = 1169.93(3), b = 728.72(2), c = 1384.50(4) pm, β = 112.303(2)°; γ: a = 1209.56(4), b = 712.53(2), c = 1361.64(5) pm, β = 115.691(1)°). The structures contain Pr 3+ cations which are coordinated by [H 2 I 2 O 10 ] 4— anions yielding two‐dimensional networks. These networks are separated by ClO 4 — anions yielding a layered structure.

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