Table 2. Selected bond distances (Å).
| Parameter | 1 | 2 | 3 | 5 | 7 a |
| Mo(1)–O(1) | 1.698(6) | 1.673(4) | 1.681(4) | 1.676(4) | 1.692(3) |
| Mo(1)–O(2) | 1.972(6) | 1.999(4) | 1.999(4) | 2.009(4) | 1.978(2) |
| Mo(1)–S(1) | 2.273(3) | 2.3004(18) | 2.268(2) | 2.262(2) | 2.2855(10) |
| Mo(1)–N(11) | 2.364(7) | 2.356(6) | 2.368(5) | 2.365(5) | 2.382(3) |
| Mo(1)–N(21) | 2.318(7) | 2.257 (5) | 2.315(5) | 2.323(5) | 2.293(3) |
| Mo(1)–N(31) | 2.220(7) | 2.214(5) | 2.226(5) | 2.226(5) | 2.225(3) |
| O(2)–C(39) | 1.392(10) | 1.338(7) | 1.373(7) | 1.349(6) | 1.337(4) |
| Cu(1)–S(1) | 2.111(3) | 2.1260(19) | 2.120(2) | 2.119(2) | 2.1336(11) |
| Cu(1)–N(1) | 2.136(9) | 2.158(5) | 2.129(6) | 2.137(6) | 2.156(4) |
| Cu(1)–N(2) | 2.104(8) | 2.131(6) | 2.148(6) | 2.121(5) | 2.156(3) |
| Cu(1)–N(3) | 2.214(9) | 2.212(6) | 2.189(6) | 2.199(6) | 2.201(4) |
| Mo(1)···Cu(1) | 4.040(2) | 3.752(2) | 3.928(2) | 4.028(2) | 3.806(2) |
aData from ref. 13.