Thermal Decomposition Studies of Layered Metal Hydroxynitrates (Metal: Cu, Zn, Cu/Co, and Zn/Co)

Table 7

Lattice parameters of different polymorphic modifications of layered hydroxynitrate samples.

Sample	(Å)	(Å)	(Å)	(°)	(°)	(°)	Space group	Crystal system	Cell volume (Å)
Cu2(OH)3(NO3)	5.605	6.087(4)	6.929(4)	90	94.48	90	P 1 211	Monoclinic	235.68	2
Cu3(OH)5(NO3) (H2O)2	5.830(1)	6.775(1)	21.711	90	90	90	P cmn	Orthorhombic	857.55	4
Cu4(NO3)2(OH)6	5.576(2)	6.050(2)	6.896(3)	90	94.5	90	P121/m1	Monoclinic	231.92	1
Zn(OH)(NO3) (H2O)	17.951	3.2600	14.272	90	114.91	90	P 121/c1	Monoclinic	757.50	8
Zn3(OH)4(NO3)2	7.038	9.658(2)	11.182(2)	90	100.96	90	P 121/c1	Monoclinic	746.21	4
Zn5(OH)8(NO3)2(H2O)2	19.480	6.238	5.517(1)	90	93.28	90	C 12/m1	Monoclinic	669.31	2
Co2(OH)3(NO3)	3.12	3.12	6.98	90	90	120	—	Hexagonal	—	—