Centrosymmetric Binuclear Boron Compounds Derived from Dithiooxamides: Synthesis, Characterization, and Their Photophysical Properties

Table 1

Crystal data of compound 2a.

Empirical formula	C32H38BF2N2O2S2
Formula weight	595.57
Crystal size (mm^3)	0.38 × 0.24 × 0.20
Crystal system	Monoclinic
Space group	P21/n
a, (Ǻ)	15.2111 (19)
b, (Ǻ)	11.1385 (15)
c, (Ǻ)	20.455 (3)
Α, (°)	90
Β, (°)	111.597 (7)
ɣ, (°)	90
V, (Ǻ^3)	3222.3 (7)
Z	4
ρ (calc) (mg/m^3)	1.228
μ (mm^−1)	0.207
F000	1260
Index ranges	−18 ≤ h ≥ 18, −13 ≤ k ≥ 13, −24 ≤ l ≥ 23
2θ  (°)	2.33–24.84
Temperature, (K)	296 (2)
Reflns. collected	39617
Reflns. indep	5708
Refl. observed (4σ)	4001
R (int)	0.0828
Goodness of fit	1.026
R1, wR2 (I > 2σ (I))	0.0614/0.1425
R1, wR2 (all data)	0.0956/0.1597