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Table 1 Match factor, RMS of assignment, structure purity, reliability, R2 of possible isomers related to experimental 1H NMR data

From: Pyridyl thiosemicarbazide: synthesis, crystal structure, DFT/B3LYP, molecular docking studies and its biological investigations

Experimental 1H-NMR

Isomer A

Isomer B

Isomer C

Match factor

0.94

0.44

0.19

RMS of assignment (ppm)

0.62

0.87

0.77

Structure purity (%)

99.0

87.0

86.8

Reliability (%)

87.0

74.7

68.5

R2

0.97

0.88

0.89