Table 1. Default bond lengths in ångströms for AFIX instructions with and without the NEUT instruction for a temperature of 293 K.

AFIX	m =	1	2	3	4	4[N]	3[N]	15[B]	8[O]	9	9[N]	16
NEUT	X—H	1.10	1.09	1.06	1.08	1.01	1.03	1.20	0.98	1.08	1.01	1.08
(X-ray)	X—H	0.98	0.97	0.96	0.93	0.86	0.89	1.10	0.82	0.93	0.86	0.93