At high pressures of CO, the Ag+ salt of the weekly coordinating anion [Nb(OTeF5)6]– takes up three equiv. CO reversibly both in the solid state and in 1,1,2-C2Cl3F3 solution; the CO ligands can be removed from [Ag(CO)3][Nb(OTeF5)6] under vacuum at 25 °C but none are removed at –78 °C; IR ν(CO) values are 2192 cm–1 for [Ag(CO)3]+, 2198 cm–1 for [Ag(CO)2]+, and 2208 cm–1 for [AgCO]+.
在高压CO下,每周配位阴离子[Nb(OTeF5)6]的Ag+盐在固态和1,1,2-
C2Cl3F3溶液中可逆地吸收三个等价的CO;在25°C的真空下,可以从[Ag(CO)3][Nb(OTeF5)6]中除去CO
配体,但在-78°C时,没有CO
配体被除去;[Ag(CO)3]+的IRν(CO)值为2192 cm-1,[Ag(CO)2]+的IRν(CO)值为2198 cm-1,[AgCO]+的IRν(CO)值为2208 cm-1。