Molecular structure of an extremely crowded iron(II) dihydride complex: FeH2(PMePh2)4 |
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| Authors: | John C Huffman Norman J Wells Kenneth G Caulton |
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| Institution: | (1) Department of Chemistry and Molecular Structure Center, Indiana University, 47405 Bloomington, Indiana |
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| Abstract: | The crystal structure of FeH2(PMePh2)4 shows this to exist as thecis isomer in the solid state with major distortions of the FeP4 skeleton:cis P-Fe-P angles 98.1(1)–107.2(1)° andtrans P-Fe-P angle 143.3(1)°. All hydrogen atoms were refined, and the mean Fe-H separation is 1.59 Å. Long Fe-P distances, 2.187(3)–2.251(3) Å, emphasize the crowding in this molecule. Crystallographic data:a=11.684(4) Å,b=37.793(17),c=9.765(3), =90.81(1)°, andZ=4 in space groupP21/n (No. 14).R(F)=6.3% andR
w
(F)=6.0% for 2585 observed reflections collected at —162°C. |
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