Antioxidant and Antivenom Potential of an Essential Oil, 4-(2-Oxo-propyl)-cyclopentane-1,3-dione, and Allantoin Derived from the Polyherbal Combination of Aristolochia indica L. and Piper nigrum L.

Table 1

Data collection and refinement program of compound AA2.

Theta range for data collection	2.76 to 27.12°
Index ranges	−10 ≤ h ≤ 10, −6 ≤ k ≤ 6, −17 ≤ l ≤ 19
Reflections collected	8399
Wavelength	0.71073 Å
Independent reflections	1355 [R (int) = 0.0660]
Coverage of independent reflections	99.9%
Absorption correction	Multi-scan
Max. and min. transmission	0.9790 and 0.9550
Refinement method	Full-matrix least-squares on F^2
Refinement program	SHELXL-2014/7 (Sheldrick, 2014)
Function minimized	Σ (Fo^2 − Fc^2)^2
Data/restraints/parameters	1355/0/101
Goodness-of-fit on F^2	1.080
Final R indices	1134 data; I > 2σ (I)	R1 = 0.0810, R2 = 0.2477
	all data	R1 = 0.0923, R2 = 0.2612
Weighting scheme	= 1/[σ^2(Fo^2) + (0.1402P)^2 + 1.5335P], where P = (Fo^2 + 2Fc^2)/3
Extinction coefficient	0.0800 (200)
Largest diff. peak and hole	0.638 and −0.380 eÅ^−3
R.M.S. deviation from mean	0.113 eÅ^−3