Table 4. Bond lengths () and bond angles () in the tartrate molecule and the water molecules.

Bond parameters for the K and Na coordination shells are given in Table 7 ▶.

O1C1	1.265 (1)	O6H6	0.78 (2)
O2C1	1.246 (1)	O7H17	0.84 (2)
O3C4	1.257 (1)	O7H27	0.81 (2)
O4C4	1.255 (1)	O8H18	0.86 (2)
O5C2	1.425 (1)	O8H28	0.84 (2)
O6C3	1.419 (1)	O9H19	0.75 (3)
C1C2	1.539 (1)	O9H29	0.98 (2)
C2C3	1.531 (1)	O101H110	0.83 (2)
C3C4	1.538 (1)	O101H210	0.88 (2)
C2H2	0.99 (1)	O102H110	0.87 (2)
C3H3	1.00 (1)	O102H210	0.85 (2)
O5H5	0.86 (2)
O2C1O1	126.62 (7)	O5C2H2	109.1 (8)
O2C1C2	116.57 (7)	C3C2H2	109.5 (8)
O1C1C2	116.81 (7)	C1C2H2	108.0 (8)
O5C2C3	109.57 (6)	O6C3H3	107.4 (7)
O5C2 C1	110.56 (6)	C2C3H3	110.4 (7)
C1C2 C3	110.11 (6)	C4C3H3	106.8 (7)
O6C3C2	110.62 (7)	H17O7H27	112.0 (1.5)
O6C3C4	111.48 (7)	H18O8H28	102.4 (1.7)
C2C3C4	109.99 (6)	H19O9H29	98.2 (2.5)
O3C4O4	126.36 (8)	H110O101H210	106.5 (1.6)
O3C4C3	116.28 (9)	H110O102H210	104.8 (1.7)
O4C4C3	117.36 (8)