The Crystal Structure of Hydridopentaamminerhodium(III) Perchlorate

Bernard A. Coyle; James A. Ibers

doi:10.1021/ic50111a038

The Crystal Structure of Hydridopentaamminerhodium(III) Perchlorate

Bernard A. Coyle, James A. Ibers^*

^*Corresponding author for this work

Chemistry

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Abstract

The crystal structure of hydridopentaamminerhodium(III) perchlorate, [RhH(NH₃)5] [ClO₄]₃, has been determined by X-ray diffractometric methods. The structure has been refined in the orthorhombic space group D₂⁴-P2₁2₁2₁ with a = 10.2866 (12), b --- 8.0689 (10), c = 15.0146 (21) å, ρ_obsd = 2.07 (2) g/cm3, ρ_cealad = 2.07 g/cm3, and Z = 4, to a final conventional R factor of 0.040 for 1298 reflections above background. The compound consists of discrete octahedral hydridopentaamminerhodium(III) and tetrahedral perchlorate ions. The cations are stacked in zigzag chains of essentially linear Rh-H.N-Rh elements, whose Rh atoms are 6.103 (1) å apart. The ammine group which is directed toward the next cation in the chain is the closest to the Rh atom, with an Rh-N distance of 2.048 (11) å. The other three ammine groups cis to the H ligand have an average Rh-N distance of 2.079 (7) å. The NH3 which is= trans to the H ligand is 2.244 (13) å. from the Rh, so that the H ligand is exerting a pronounced trans effect of 0.165 (15) å. The Rh-H distance is 1.82 (17) å.

Original language	English (US)
Pages (from-to)	1105-1109
Number of pages	5
Journal	Inorganic chemistry
Volume	11
Issue number	5
DOIs	https://doi.org/10.1021/ic50111a038
State	Published - May 1 1972

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Physical and Theoretical Chemistry
Inorganic Chemistry

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@article{4564ab7112fb495c847317d2b8d33dbf,

title = "The Crystal Structure of Hydridopentaamminerhodium(III) Perchlorate",

abstract = "The crystal structure of hydridopentaamminerhodium(III) perchlorate, [RhH(NH3)5] [ClO4]3, has been determined by X-ray diffractometric methods. The structure has been refined in the orthorhombic space group D24-P212121 with a = 10.2866 (12), b --- 8.0689 (10), c = 15.0146 (21) {\aa}, ρobsd = 2.07 (2) g/cm3, ρcealad = 2.07 g/cm3, and Z = 4, to a final conventional R factor of 0.040 for 1298 reflections above background. The compound consists of discrete octahedral hydridopentaamminerhodium(III) and tetrahedral perchlorate ions. The cations are stacked in zigzag chains of essentially linear Rh-H.N-Rh elements, whose Rh atoms are 6.103 (1) {\aa} apart. The ammine group which is directed toward the next cation in the chain is the closest to the Rh atom, with an Rh-N distance of 2.048 (11) {\aa}. The other three ammine groups cis to the H ligand have an average Rh-N distance of 2.079 (7) {\aa}. The NH3 which is= trans to the H ligand is 2.244 (13) {\aa}. from the Rh, so that the H ligand is exerting a pronounced trans effect of 0.165 (15) {\aa}. The Rh-H distance is 1.82 (17) {\aa}.",

author = "Coyle, {Bernard A.} and Ibers, {James A.}",

year = "1972",

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N2 - The crystal structure of hydridopentaamminerhodium(III) perchlorate, [RhH(NH3)5] [ClO4]3, has been determined by X-ray diffractometric methods. The structure has been refined in the orthorhombic space group D24-P212121 with a = 10.2866 (12), b --- 8.0689 (10), c = 15.0146 (21) å, ρobsd = 2.07 (2) g/cm3, ρcealad = 2.07 g/cm3, and Z = 4, to a final conventional R factor of 0.040 for 1298 reflections above background. The compound consists of discrete octahedral hydridopentaamminerhodium(III) and tetrahedral perchlorate ions. The cations are stacked in zigzag chains of essentially linear Rh-H.N-Rh elements, whose Rh atoms are 6.103 (1) å apart. The ammine group which is directed toward the next cation in the chain is the closest to the Rh atom, with an Rh-N distance of 2.048 (11) å. The other three ammine groups cis to the H ligand have an average Rh-N distance of 2.079 (7) å. The NH3 which is= trans to the H ligand is 2.244 (13) å. from the Rh, so that the H ligand is exerting a pronounced trans effect of 0.165 (15) å. The Rh-H distance is 1.82 (17) å.

AB - The crystal structure of hydridopentaamminerhodium(III) perchlorate, [RhH(NH3)5] [ClO4]3, has been determined by X-ray diffractometric methods. The structure has been refined in the orthorhombic space group D24-P212121 with a = 10.2866 (12), b --- 8.0689 (10), c = 15.0146 (21) å, ρobsd = 2.07 (2) g/cm3, ρcealad = 2.07 g/cm3, and Z = 4, to a final conventional R factor of 0.040 for 1298 reflections above background. The compound consists of discrete octahedral hydridopentaamminerhodium(III) and tetrahedral perchlorate ions. The cations are stacked in zigzag chains of essentially linear Rh-H.N-Rh elements, whose Rh atoms are 6.103 (1) å apart. The ammine group which is directed toward the next cation in the chain is the closest to the Rh atom, with an Rh-N distance of 2.048 (11) å. The other three ammine groups cis to the H ligand have an average Rh-N distance of 2.079 (7) å. The NH3 which is= trans to the H ligand is 2.244 (13) å. from the Rh, so that the H ligand is exerting a pronounced trans effect of 0.165 (15) å. The Rh-H distance is 1.82 (17) å.

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The Crystal Structure of Hydridopentaamminerhodium(III) Perchlorate

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