Table 2. Hydrogen-bond geometry (, ) for Ca(ClO₄)₂6H₂O.

DHA	DH	HA	D A	DHA
O1H1AO15	0.84(2)	2.07(3)	2.887(10)	164(8)
O1H1BO5i	0.84(2)	2.25(5)	2.915(7)	136(6)
O1H1BO16i	0.84(2)	2.44(5)	3.132(10)	140(6)
O2H2AO23ii	0.84(2)	2.03(2)	2.856(9)	169(7)
O2H2BO26iii	0.84(2)	2.14(3)	2.932(8)	155(6)
O3H3AO12iv	0.84(2)	2.07(2)	2.899(8)	168(8)
O3H3BO19iii	0.84(2)	2.15(3)	2.934(8)	156(7)
O4H4AO27	0.84(2)	2.28(3)	3.074(11)	158(8)
O4H4BO28iii	0.84(2)	2.36(3)	3.177(10)	163(8)
O5H5AO2iv	0.84(2)	1.98(3)	2.783(8)	159(7)
O5H5BO19	0.84(2)	2.20(5)	2.903(9)	142(6)
O6H6AO8v	0.84(2)	2.18(4)	2.925(7)	149(7)
O6H6BO19	0.84(2)	2.08(3)	2.891(10)	162(8)
O7H7AO23vi	0.84(2)	2.29(4)	3.042(9)	149(6)
O7H7BO24vii	0.84(2)	2.50(5)	3.199(9)	141(6)
O7H7BO27viii	0.84(2)	2.57(5)	3.242(11)	138(6)
O8H8AO10ix	0.84(2)	2.08(4)	2.805(8)	145(6)
O8H8BO15	0.84(2)	2.07(3)	2.879(9)	162(7)
O9H9AO27x	0.84(2)	2.06(3)	2.865(10)	161(7)
O9H9BO21vi	0.84(2)	2.23(5)	2.962(10)	145(7)
O10H10AO21vii	0.84(2)	2.12(3)	2.930(9)	163(7)
O10H10BO28x	0.84(2)	2.10(3)	2.902(10)	162(7)
O11H11AO9ix	0.84(2)	2.14(4)	2.893(9)	150(7)
O11H11BO15xi	0.84(2)	2.11(3)	2.915(9)	161(7)
O12H12AO26	0.84(2)	2.35(5)	2.995(9)	135(6)
O12H12AO20	0.84(2)	2.40(4)	3.102(9)	142(6)
O12H12BO24ii	0.84(2)	2.03(2)	2.861(9)	171(7)

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) ; (v) ; (vi) ; (vii) ; (viii) ; (ix) ; (x) ; (xi) .