Research Article

Synthesis of Silver (I) Complexes of Iminoalkyl Functionalised 𝑁 -Heterocyclic Carbenes

Table 2

Crystal data and structure refinement.

2a
Empirical formulaC25 H23 Ag Br N3
Formula weight553.24
Temperature173(2) K
Wavelength0.71073 Å
Crystal systemTriclinic
Space groupP (No. 2)
Unit cell dimensionsa = 8.1675(2) Å = 92.909(2)°
b = 8.6875(3) Å = 92.682(2)°
c = 16.5972(6) Å = 106.820(2)°
Volume1123.49(6) Å3
Z2
Density (calculated)1.64 Mg/m3
Absorption coefficient2.69 mm−1
F(000)552
Crystal size0.25 0.20 0.10 mm3
Theta range for data collection3.89 to 25.03°.
Index ranges−9 8, −10 10, −19 l 19
Reflections collected16098
Independent reflections3930 [R(int) = 0.043]
Reflections with I 2sigma(I)3495
Completeness to theta = 25.03°98.9%
Refinement methodFull-matrix least-squares on F2
Data/restraints/parameters3930/0/363
Goodness-of-fit on F21.071
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 hole0.42 and −0.53