Abstract
Red thermolabile, light sensitive C 5H 5BiCl 2 has been prepared from NaC 5H 5 and BiCl 3 at low temperature. The crystal structure of the red compound has been determined by single crystal techniques ( P2 1/ c; a 680.7(7), b 1441.9(9), c 823.4(6) pm, β 111.25(9)°, T −20°C, Z = 4, R = 0.048). It is built up of distorted TcCl 4-type polymeric chains with the Cp-rings π-bonded to bismuth. Pseudorotational disorder attributable to packing requirements results in a mixture of η 2- and η 3-bonded states (1/1) along the chains. Important distances: BiCl: 258, 264, 309, 318 pm; BiC: 247, 248 pm (η 2), 238, 261, 264 pm (η 3). Bond length-bond strength considerations show the bond order of BiCp bonding to be ∼ 1.5. In solution the compound is monomeric and according to 1H NMR results a fast rotation of the Cp ring is present even at −70°C.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
