Table 4. Contributions (%) of specific contact types to the Hirshfeld surfaces of 1-amino-1-de­oxy-D-fructose derivatives.

Compound	Conformation	O⋯H	H⋯H	C⋯H	Other contacts
(I)	acyclic keto	32.3	52.8	13.2	N⋯H 1.6; C⋯C 0.1
FruNMptia	acyclic keto	26.5	59.8	11.8	N⋯H 1.6; C⋯C 0.3
FruNEpcaa	acyclic keto	23.1	50.1	8.6	N⋯C 0.5; C⋯C 1.3; Cl⋯H 13.1; Cl⋯C 3.4
FruNAllab	β-pyran­ose	15.2	67.7	16.9	C⋯C 0.1
FruNBn2 c	β-pyran­ose	16.5	64.2	19.2	C⋯O 0.1
TagNMBnd	α-pyran­ose	20.6	65.8	13.5	O⋯O 0.1

Notes: (a) Mossine et al. (2009 ▸); (b) Mossine et al. (2009a ▸); (c) Hou et al. (2001 ▸); (d) Pérez et al. (1978 ▸).