Linear vs. Bent Nitrosyl Ligands in Pseudotetrahedral Nitrosyl Complexes. Low-Temperature Structure of CoI(NO)2(P(C6H5)3)

Barry L. Haymore, John C. Huffman, Nancy Butler

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Abstract

The structure of CoI(NO)2(P(C6H5)3) has been determined at low temperature (-170 °C) and is compared with the structure of a similar disordered complex, CoI(NO)2(P(C6H5)2R′) (R′ = CH2CH2P(0)(C6H5)2), which was claimed to possess strongly bent nitrosyl ligands. The title complex has two nearly linear NO groups with Co-N(l)-0(2) = 165.2 (2)’ and Co-N(2)-0(2) = 163.3 (2). The compound crystallized in space group C3 2h-C2/m with a = 17.356 (8) ‘, b = 10.677 (3) A, c = 20.998 (10) A, β = 96.93 (1), and Z = 8. On the basis of 4020 unique reflections with [formula omitted], the structure was refined with use of full-matrix, least-squares methods to R(F) = 0.031 and Rw(F) = 0.025.

Original languageEnglish (US)
Pages (from-to)168-170
Number of pages3
JournalInorganic Chemistry
Volume22
Issue number1
DOIs
StatePublished - Jan 1 1983
Externally publishedYes

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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Linear vs. Bent Nitrosyl Ligands in Pseudotetrahedral Nitrosyl Complexes. Low-Temperature Structure of CoI(NO)2(P(C6H5)3). / Haymore, Barry L.; Huffman, John C.; Butler, Nancy.

In: Inorganic Chemistry, Vol. 22, No. 1, 01.01.1983, p. 168-170.

Research output: Contribution to journalArticle

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abstract = "The structure of CoI(NO)2(P(C6H5)3) has been determined at low temperature (-170 °C) and is compared with the structure of a similar disordered complex, CoI(NO)2(P(C6H5)2R′) (R′ = CH2CH2P(0)(C6H5)2), which was claimed to possess strongly bent nitrosyl ligands. The title complex has two nearly linear NO groups with Co-N(l)-0(2) = 165.2 (2)’ and Co-N(2)-0(2) = 163.3 (2). The compound crystallized in space group C3 2h-C2/m with a = 17.356 (8) ‘, b = 10.677 (3) A, c = 20.998 (10) A, β = 96.93 (1), and Z = 8. On the basis of 4020 unique reflections with [formula omitted], the structure was refined with use of full-matrix, least-squares methods to R(F) = 0.031 and Rw(F) = 0.025.",
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N2 - The structure of CoI(NO)2(P(C6H5)3) has been determined at low temperature (-170 °C) and is compared with the structure of a similar disordered complex, CoI(NO)2(P(C6H5)2R′) (R′ = CH2CH2P(0)(C6H5)2), which was claimed to possess strongly bent nitrosyl ligands. The title complex has two nearly linear NO groups with Co-N(l)-0(2) = 165.2 (2)’ and Co-N(2)-0(2) = 163.3 (2). The compound crystallized in space group C3 2h-C2/m with a = 17.356 (8) ‘, b = 10.677 (3) A, c = 20.998 (10) A, β = 96.93 (1), and Z = 8. On the basis of 4020 unique reflections with [formula omitted], the structure was refined with use of full-matrix, least-squares methods to R(F) = 0.031 and Rw(F) = 0.025.

AB - The structure of CoI(NO)2(P(C6H5)3) has been determined at low temperature (-170 °C) and is compared with the structure of a similar disordered complex, CoI(NO)2(P(C6H5)2R′) (R′ = CH2CH2P(0)(C6H5)2), which was claimed to possess strongly bent nitrosyl ligands. The title complex has two nearly linear NO groups with Co-N(l)-0(2) = 165.2 (2)’ and Co-N(2)-0(2) = 163.3 (2). The compound crystallized in space group C3 2h-C2/m with a = 17.356 (8) ‘, b = 10.677 (3) A, c = 20.998 (10) A, β = 96.93 (1), and Z = 8. On the basis of 4020 unique reflections with [formula omitted], the structure was refined with use of full-matrix, least-squares methods to R(F) = 0.031 and Rw(F) = 0.025.

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