Research Article
Synthesis of Silver (I) Complexes of Iminoalkyl Functionalised -Heterocyclic Carbenes
Table 2
Crystal data and structure refinement.
| | 2a | | Empirical formula | C25 H23 Ag Br N3 | | Formula weight | 553.24 | | Temperature | 173(2) K | | Wavelength | 0.71073 Å | | Crystal system | Triclinic | | Space group | P (No. 2) | | Unit cell dimensions | a = 8.1675(2) Å | = 92.909(2)° | | b = 8.6875(3) Å | = 92.682(2)° | | c = 16.5972(6) Å | = 106.820(2)° | Volume | 1123.49(6) Å3 | | Z | 2 | | Density (calculated) | 1.64 Mg/m3 | | Absorption coefficient | 2.69 mm−1 | | F(000) | 552 | | Crystal size | 0.25 0.20 0.10 mm3 | | Theta range for data collection | 3.89 to 25.03°. | | Index ranges | −98, −1010, −19 l 19 | | Reflections collected | 16098 | | Independent reflections | 3930 [R(int) = 0.043] | | Reflections with I 2sigma(I) | 3495 | | Completeness to theta = 25.03° | 98.9% | | Refinement method | Full-matrix least-squares on F2 | | Data/restraints/parameters | 3930/0/363 | | Goodness-of-fit on F2 | 1.071 | | Final R indices [I 2sigma(I)] | R1 = 0.027, wR2 = 0.063 | | R indices (all data) | R1 = 0.033, wR2 = 0.066 | | Largest diff. peak and hole | 0.42 and −0.53 | |
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