
%0 Journal Article
%A Bruce, MI 
%A Liddell, MJ 
%A Snow, MR 
%A Tiekink, ERT 
%T Cyclometallation Reactions. XXI. Some Chemistry of Binuclear Manganese Complexes Derived From Azobenzene: X-Ray Crystal-Structures of {Mn (CO)<sub>4</sub>}<sub>2</sub>(&#956;- C<sub>6</sub>H<sub>4</sub>N=NC<sub>6</sub>H<sub>4</sub>) and  {Mn (CO)<sub>4</sub>}{ Mn (CO)<sub>3</sub>[P(OPh)<sub>3</sub>]}(&#956;-C<sub>6</sub>H<sub>4</sub>N=NC<sub>6</sub>H<sub>4</sub>)
%J Australian Journal of Chemistry
%D 1988/09/01
%V 41
%N 9
%P 1407-1415
%K 
%R https://doi.org/10.1071/CH9881407
%U https://www.publish.csiro.au/paper/CH9881407 
%X The reaction between azobenzene and Mn (CH2Ph)(CO)5, carried out in refluxing n-octane, afforded the binuclear complex {Mn (CO)4}2(&#956;- C6H4N=NC6H4) (2) as the first isolable product; subsequent reaction with azobenzene gave Mn (C6H4N= NPh )(CO)4. With P( OPh )3, the binuclear complex undergoes CO substitution but not hydrogen transfer, to give {Mn (CO)4}{ Mn (CO)3[P(OPh)3]}(&#956;-C6H4N=NC6H4)(3). The X-ray crystal structures of the title complexes have been determined. Compound (2) crystallizes in the monoclinic space group P21/c with unit cell dimensions a 10.161(2), b 23.586(4), c 13.091(4)&#506;, &#946; 97.10(2)&#176; with Z = 6; crystals of (3) are triclinic, space group P&#299; , a 12.886(3), b 13.920(3), c 10.428(7)&#506;, &#945; 97.11(4),&#946; 102.60(4), &#947; 81.78(2)&#176;. The structures were refined by a full-matrix least-squares procedure to final R 0.041 and Rw 0.048 for 3459 reflections with I &#8805; 2.5&#963;(I) for (2), and R 0.095 and Rw 0.106 for 3406 reflections for (3). 
