Crystal Structure of L-Histidinium 2-Nitrobenzoate

Table 3

Hydrogen-bond geometry of (I) (Å, °).

D–H···A	D–H	H⋯A	D⋯A	<(D–H⋯A)
N1–H1N⋯O2^i	0.89	1.97	2.847 (2)	166 (2)
N1–H2N⋯O2^ii	0.90	1.84	2.738 (2)	174 (2)
N1–H3N⋯O3^iii	0.91	2.18	3.020 (2)	154 (2)
N2–H4N⋯O3^iv	0.87	1.81	2.685 (3)	174 (3)
N3–H5N⋯O4^iii	0.85	1.88	2.712 (3)	164 (3)
N3–H5N⋯O5^v	0.85	2.59	3.019 (3)	112 (2)
C5–H5 ⋯O1^vi	0.93	2.41	3.052 (2)	126 (2)
C6–H6⋯O5^v	0.93	2.36	2.931 (3)	119 (2)

ⁱ−1+𝑥, 𝑦, 𝑧; ⁱⁱ2−𝑥, 1/2+𝑦, 1−𝑧; ⁱⁱⁱ𝑥, 1+𝑦, 𝑧; ^iv1+𝑥, 𝑦, 𝑧; ^v1+𝑥, 1+𝑦, 𝑧; ^vi2−𝑥, −1/2+𝑦, 1−𝑧.