Molecular structure of 5. The anisotropic displacement parameters are depicted at the 50 % probability level. Hydrogen atoms except NH- have been omitted for the sake of clarity. Selected bond lengths (A) and bond angles (): N1-Si1 1.7203(14), N2-Si1 1.8708(14), N3-Si1 1.8171(14), Fe1-Si1 2.2545(6), Fe1-C49 1.7698(18), Fe1-C50 1.781(2), Fe1-C51 1.7763(18), Fe1-C52 1.7871(19). N1-Si1-N2 109.45(6), N1-Si1-N3 102.10(7), N1-Si1-Fe1 124.60(5), Si1-Fe1-C49 81.02(5), Si1-Fe1-C50 85.51(6), Si1-Fe1-C51 95.35(5), Si1-Fe1-C52 171.36(6).
