https://www.selleckchem.com/pr....oducts/abc294640.htm
Reaction of [99Tc(CO)6]ClO4 with alkali in aqueous solutions yields yellow 99Tc3H(CO)14 as the major product. On the other hand, [99TcH(CO)5] becomes the major product when the reaction with alkali is combined with the extraction into hexane. The molecular structure of 99Tc3H(CO)14, determined by SCXRD, is composed of the 99Tc2(CO)9 fragment bound to the 99Tc(CO)5 fragment via the hydrogen bridge and weak metal-metal bond. This compound crystallizes in the monoclinic system, space group P21/n, a = 9.6954(2) Å, b = 15.0985(3) Å, c = 14
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