Crystal structures of six binary salts involving aromatic aminesas cations and hydrogentartrates as anions are presented. The materials are2,6-xylidinium-
L-monohydrogen tartratemonohydrate, C
12H
18O
6.5N,
P22
12
1,
a =7.283(2) Å,
b = 17.030(2) Å,
c =22.196(2) Å,
Z = 8;2,6-xylidinium-
D-dibenzoyl monohydrogen tartrate,C
26H
25O
8N,
P2
1,
a = 7.906(1) Å,
b =24.757(1) Å,
c = 13.166(1) Å,
=105.01(1)
,
Z = 4;2,3-xylidinium-
D-dibenzoyl monohydrogentartrate monohydrate, C
26H
26O
8.5N,
P2
1,
a = 7.837(1) Å,
b = 24.488(1) Å,
c = 13.763(1) Å,
= 105.69(1)
,
Z = 4;2-toluidinium-
D-dibenzoyl monohydrogen tartrate,C
25H
23O
8N,
P2
12
12
1,
a = 13.553(2) Å,
b = 15.869(3) Å,
c = 22.123(2) Å,
Z = 8;3-toluidinium-
D-dibenzoylmonohydrogen tartrate (1:1),C
25H
23O
8N,
P1,
a = 7.916(3) Å,
b = 11.467(6) Å,
c = 14.203(8)Å,
= 96.44(4)
,
= 98.20(5)
, =110.55(5)
,
Z = 2;3-toluidinium-
D-dibenzoyl tartratedihydrate (1:2), C
32H
36O
10N,
P1,
a = 7.828(3) Å,
b =8.233(1) Å,
c = 24.888(8) Å,
=93.98
,
= 94.58(3)
, = 89.99(2)
,
Z = 2.An analysis of the hydrogen-bonding schemes in termsofcrystal packing, stoichiometric variations, and substitutionalvariations in these materialsprovides insights to design hydrogen-bonded networks directed towardthe engineering ofcrystalline nonlinear optical materials.