Iodate fluoride
The iodate fluorides are chemical compounds which contain both iodate and fluoride anions (IO3 − and F− ). In these compounds fluorine is not bound to iodine as it is in fluoroiodates .[ 1]
Iodate fluorides are under investigation for the non-linear optical properties. The lack of symmetry is enhanced by the lone pair of electrons on the iodate group.[ 1]
List
name
formula
weight
system
space group
unit cell
volume
density
properties
ref
K3 V2 O3 F4 (IO3 )3
867.88
orthorhombic
Cmc 21
a=11.6073 b=8.5216 c=15.098 Z=4
1493.4
3.86
SHG 1.3 ×KDP; birefringence 0.158 @ 2050 nm
[ 2]
CoIO3 F
monoclinic
P 21 /n
a =4.9954 b =5.2110 c =12.5179 β =95.347°
[ 3]
NiIO3 F
monoclinic
P 21 /n
[ 3]
zinc iodate fluoride
ZnIO3 F
259.27
monoclinic
P 21 /n
a=5.030 b=5.227 c=12.471 β =96.00 Z=4
326.13
5.281
band gap 4.2 eV
[ 4]
LiGaF2 (IO3 )2
464.46
monoclinic
P 21 /n
a=9.9994 b=5.1160 c=12.6619 β =106.444 Z=4
621.25
4.966
stable to 400 °C band gap 4.33 eV
[ 5]
NaGa(IO3 )3 F
636.41
monoclinic
P 21 /c
a=14.120 b=4.9149 c=13.631 β =112.968° Z=4
band gap 4.27 eV; birefringence Δn exp = 0.203 at 1064 nm
[ 6] [ 7]
NaGa(IO3 )2 F2
480.51
monoclinic
P 21 /c
a =10.8243 b =4.8603 c =13.593 β =104.750° Z=4
691.6
6.615
[ 6]
RbGaF3 (IO3 )
orthorhombic
Pnma
a =7.8109 b =7.2758 c =10.1367
[ 8]
yttrium diiodate fluoride
Y(IO3 )2 F
457.71
hexagonal
P 63
a=6.8455 c=21.807 Z=6
885.0
5.153
white
[ 9]
ZrF2 (IO3 )2
monoclinic
C 2/c
a =16.352 b =5.2819 c =7.459 β =104.31°
[ 8]
Cd3 (IO3 )(IO4 )F2 ·0.1CdO
R 3m
a =15.286 c =9.574
SHG 3.0xKDP band gap 4.0 eV
[ 10]
tin difluoride diiodate
Sn(IO3 )2 F2
506.49
monoclinic
P 21
a=5.436 b=9.91 c=6.28 β =105.44 Z=2
326.3
5.155
band gap 4.08 SHG 3x; white
[ 11]
CsVO2 F(IO3 )
409.75
orthorhombic
Pna 21
a=7.8974 b=10.2644 c=7.3854 Z=4
598.68
4.546
alkaline metals
[ 12]
Barium iodate fluoride
Ba(IO3 )F
331.24
monoclinic
P 21 /c
a=10.5729 b=6.3354 c=6.0450 β =90.497°
404.90
5.434
band gap 4.32 eV; high birefringence
[ 13]
α-Ba[VFO2 (IO3 )2 ]
589.08
Orthorhombic
Pbcn
a=5.1494 b=12.644 c=12.400 Z=4
807.4
4.846
colourless
[ 14]
β-Ba[VFO2 (IO3 )2 ]
589.08
Orthorhombic
P 21 21 21
a=7.1902 b=8.1964 c=13.0420 Z=4
768.6
5.091
colourless
[ 14]
α-Ba2 [VO2 F2 (IO3 )2 ]IO3
920.32
Orthorhombic
Pna 21
a =13.578 b=11.425 c=7.500 Z=4
1163.5
5.254
colourless
[ 14]
β-Ba2 [VO2 F2 (IO3 )2 ]IO3
920.32
monoclinic
P 21
a=7.3895 b=7.4994 c=10.9095 β=105.461 Z=2
582.69
5.245
colourless
[ 14]
α-Ba2 [GaF4 (IO3 )2 ](IO3 )
945.10
orthorhombic
Pna 21
a=13.6984 b=11.3696 c=7.4245 Z=4
1156.76
5.429
colourless SHG 6×KDP band gap 4.61eV
[ 15]
β-Ba2 [GaF4 (IO3 )2 ](IO3 )
945.10
monoclinic
P 21
a=7.4631 b=7.4511 c=10.9597 β=106.138 Z=2
585.24
5.361
colourless SHG 6×KDP band gap 4.35
[ 15]
LaZr(IO3 )5 F2
monoclinic
P 21 /n
a =7.5227 b =18.5262 c =10.3238 β =93.155°
band gap 4.13 eV
[ 16]
Ce(IO3 )3 F
monoclinic
P 21 /c
a =6.9430 b =8.2205 c =29.9956 β 89.976° Z=8
1712.00
5.306
[ 17]
Ce(IO3 )2 F2 ·H2 O
545.94
orthorhombic
Ima 2
a=7.702 b=12.277 c=7.947 Z=4
751.4
4.826
light yellow
[ 18]
Li2 Ce(IO3 )4 F2
891.60
monoclinic
C 2/c
a =12.5663 b =5.5853 c =17.1623 β =95.953° Z=4
1198.07
4.943
yellow
[ 19]
CaCe(IO3 )3 (IO3 F)F
orthorhombic
Pna 21
a =11.068 b =18.151 c =6.0301
[ 20]
HfF2 (IO3 )2
band gap 4.11 eV
[ 21]
CsHfF4 (IO3 )
562.30
orthorhombic
Ima 2
a =7.4321 b =11.156 c =8.030 Z=4
665.8
5.610
SHG 3.5 × KH2 PO4 band gap 4.47 eV transparent from 270 to 9900 nm birefringence 0.161
[ 22]
K5 (W3 O9 F4 )(IO3 )
1141.95
monoclinic
Pm
a=9.7129 b=3.7122 c=10.9575 β=102.007 Z=1
386.44
4.907
SHG 11×KDP
[ 23]
PbF(IO3 )
orthorhombic
C 2ma
a = 6.0438 b = 5.7840 c = 11.0731 Z=2
[ 24]
PbF(IO3 )
monoclinic
P 11n
a=4.1581 b=4.1548 c=11.0416 β =92.47°
[ 24]
Bi(IO3 )F2
421.88
monoclinic
C 2
a=12.827 b=5.3089 c=6.0790 β=101.384 Z=4
405.89
6.904
SHG 11.5×KDP
[ 25]
Bi3 OF3 (IO3 )4
1399.54
hexagonal
P63 mc
a=10.880 c=6.993
716.8
6.484
colourless SHG
[ 26]
NH4 Bi2 (IO3 )2 F5
880.80
monoclinic
P 21
a=5.718 b=5.892 c=15.18 β=100.38 Z=2
502.9
5.817
SHG 9.2×KDP
[ 27]
KBi2 (IO3 )2 F5
901.86
monoclinic
P 21
a=5.687 b=5.864 c=14.82 β=100.095 Z=2
486.5
6.157
colourless SHG
[ 28]
RbBi2 (IO3 )2 F5
948.23
monoclinic
P 21
a=5.7357 b=5.9095 c=15.177 β=100.263 Z=2
506.2
6.221
colourless SHG
[ 28]
CsBi2 (IO3 )2 F5
995.67
monoclinic
P 21
a=5.750 b=5.924 c=15.640 β=100.509 Z=2
523.8
6.313
colourless SHG
[ 28]
References
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Salts and covalent derivatives of the
fluoride ion