Research Article

Synthesis and Structural Characterization of a New Tetranuclear Nickel(II) Sulfato Complex Containing the Anionic Form of Di-2-Pyridyl Ketone Oxime

Table 1

Summary of crystal data, data collection, and structure refinement for the X-ray diffraction study of complex 1.

Complex1

Empirical formulaNi4C48H48N24O16S2
Formula weight1515.97
Colour, habitorange, rod
Crystal systemorthorhombic
Space group 𝑃 𝑐 𝑐 𝑛
a (Å)14.2969 (10)
b (Å)20.9678 (14)
c (Å)18.5395 (13)
V3)5557.7 (7)
Z4
ρ calc (g cm-3)1.609
Radiation, λ (Å)0.71073
μ (mm-1)1.488
F (000)2760
Temperature (K)100 (2)
2θ max [°]61
Ranges h −18 → 18
   k −21 → 27
   l −27 → 23
Measured reflections42848
Unique reflections6377
Reflections used3703
( 𝐼 > 2 𝜎 (I))
Parameters refined374
GoF (on 𝐹 2 )0.903
𝑅 1 a ( 𝐼 > 2 𝜎 (I))0.0464
w 𝑅 2 b ( 𝐼 > 2 𝜎 (I))0.1042
( Δ 𝜌 )max/( Δ 𝜌 )min (e Å-3)0.861/−0.621

a 𝑅 1 = ( | 𝐹 𝑜 | | 𝐹 𝑐 | ) / ( | 𝐹 𝑜 | ) .
b 𝑤 𝑅 2 = { [ 𝑤 ( 𝐹 𝑜 2 𝐹 c 2 ) 2 ] / [ 𝑤 ( 𝐹 𝑜 2 ) 2 ] } 1 / 2 .