Table 2. Hydrogen Bonding Parameters of Peptide 1^a.

D–H···A	D···H (Å)	H···A (Å)	D···A (Å)	D–H···A (deg)
N00C–H00C···O00A	0.88	2.19	3.038(5)	163a
N00D–H00D···O007	0.88	2.17	3.026(5)	163
N00E–H00E···O001	0.88	1.97	2.822(5)	161b
N00F–H00F···O003	0.88	2.18	2.993(5)	154
N00F–H00F···O00D	0.88	2.42	2.788(6)	106
N00G–H00G···O002	0.88	2.09	2.940(3)	162
N00I–H00I···O00E	0.88	2.47	2.826(6)	105
N00I–H00I···O005	0.88	2.17	2.999(5)	157b
N00J–H00J···N006	0.88	2.27	3.125(5)	165
N00J–H00J···N00G	0.88	2.42	2.795(5)	106
N00K–H00J···N2	0.88	1.99	2.822(5)	157
N00K–H00K···N00C	0.88	2.40	2.798(5)	108

^aSymmetry equivalent: a = −x, 1 – y, 1 – z; b = 1 – x, −1/2 + y, 3/2 – z.