Iodate sulfate

Iodate sulfates are mixed anion compounds that contain both iodate and sulfate anions. Iodate sulfates have been investigated as optical second harmonic generators, and for separation of rare earth elements.^[1] Related compounds include the iodate selenates^[2] and chromate iodates.^[3]

Iodate sulfates can be produced from water solutions of iodic acid and sulfate salts.^[4]

List

formula	name	formula weight	system	space group	cell Å	volume	density	comments	ref
Na7(IO3)(SO4)3		624.01	orthorhombic	P212121	a=6.839 b=10.851 c=18.519 Z=4	1374.2	3.016	at 100K; band gap 4.83; SHQ 0.5×KDP; birefringence 0.075 at 1064 nm	[5]
Na9(IO3)(SO4)4	Hectorfloresite		monoclinic	P21/a	a = 18.775 b = 6.9356 c = 14.239 β = 108.91° Z = 4				[5][6]
K2SO4·HIO3		350.17	monoclinic	P21/n	a=7.4215 b=7.1578 c=13.802 β=93.330° Z=4	731.9	3.178	colourless; birefingence 0.14 at 589.3 nm; UV edge 275 nm	[7]
K3Na5Mg5(IO3)6(SO4)6(H2O)5			trigonal	P3c1
K7.2Na8.8Mg10(IO3)12(SO4)12(H2O)12	Fuenzalidaite		trigonal	P3c1	a = 9.4643 c = 27.336	2,120.52		colourless; Uniaxial (-) nω = 1.622 nε = 1.615; Birefringence = 0.007	[5][8][9]
Nb2O3(IO3)2(SO4)		679.68	monoclinic	P21	a=5.299 b=20.479 c=5.452 β=119.095° Z=2	517.0	4.366	band gap 3.25; SHG 6 × KDP; birefringence 0.22 at 1064 nm; stable below 580 °C	[5][10]
Ce(IO3)2(SO4)	CISO	585.98	orthorhombic	P212121	a=7.5366 b=8.9787 c=11.6121 Z=4	785.78	4.953	yellow; SHG 3.5 × KDP; birefringence 0.259 at 546 nm	[11]
Sm(IO3)(SO4)			monoclinic	P21/c	a=9.3148 b=6.8678 c=8.2852 β=104.701°				[12]
Sm2(IO3)3(SO4)OH·3H2O			triclinic	P1	a 7.3858 b 9.6166 c 11.8629 α=66.482° β=76.884° γ=69.101°				[12]
Eu(IO3)(SO4)			monoclinic	P21/c	a=9.3083 b=6.8460 c=8.2575 β=104.696°				[5][1]
Eu2(IO3)3(SO4)OH·3H2O			triclinic	P1	a=7.3666 b=9.5817 c=11.8263 α=66.5365° β=76.8591° γ=69.1131°				[12]
Dy(IO3)(SO4)(H2O)			orthorhombic	P212121	a=7.3088 b=9.4824 c=11.7302 α=66.6573° β=76.8745° γ=69.2970°				[5]
Dy(IO3)(SO4)(H2O)3			orthorhombic	P212121	a=6.682 b=8.791 c=13.632				[1]
Dy2(IO3)3(SO4)OH·3H2O			triclinic	P1					[12]
Hg2(IO3)2(SO4)			monoclinic	C2/c	a=12.040 b=4.7133 c=15.533 β=102.43°				[13]
Hg2(IO3)2(SO4)(H2O)			monoclinic	C2	a=11.767 b=4.9190 c=7.8076 β=97.10°			band gap 3.98 eV; SHG 6 × KDP; dehydrate 250 °C	[13]
Bi(IO3)(SO4)		479.94	monoclinic	P21/c	a=9.4355 b=6.9168 c=8.3374 β=105.168° Z=4	525.17	6.070	band gap 3.91 eV; birefringence 0.087 at 1064 nm; colourless	[14]
Bi2O(SO4)(IO3)2			monoclinic	P21/n	a=7.2391 b=17.907 c=7.7964 β = 109.652° Z =4				[4]
AgBi(SO4)(IO3)2		1525.42	triclinic	P1	a=5.5189 b=6.9129 c=11.8527 α=90.598° β=92.151° γ=109.895° Z=1	424.78	5.963	colourless; SHG 3.0 × KDP	[15]
CdBi(IO3)(SO4)2		688.40	monoclinic	P21/c	a=12.777 b=6.8491 c=9.984 β=103.23° Z=4	850.5	5.376	band gap 4.03 eV; birefringence 0.100 at 1064 nm	[14]

References

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