The reaction of (Ph3SbO)2 and [2,6-(Me2NCH2)2C6H3SbO]2 with B(C6F5)3 provided the donor acceptor complexes Ph3SbOB(C6F5)3 and 2,6-(Me2NCH2)2C6H3SbOB(C6F5)3 having significantly shorter Sb–O bonds than their parent compounds.