Iodate nitrate

Iodate nitrates are mixed anion compounds that contain both iodate and nitrate anions.

Giant birefringence

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Iodate nitrates can have high birefringence. The scandium salt has a giant birefringence of 0.348 at 546 nm. When discovered in 2021 it was a record high birefringence for oxyanion compounds, but it was exceeded by CeF2(SO4) just a month later with a value of 0.361[1] and sodium hydrogen squarate hydrate, NaHC4O4·H2O with a value of 0.52 at 1064 nm.[2] All of these are beaten by hexagonal boron nitride (h-BN) with birefringence of 0.7 in visible light.[3]

List

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formula name formula

weight

system space group cell Å volume density comments ref
Al(IO3)2NO3•6H2O aluminium diiodate nitrate hexahydrate hexagonal P321 a=6.764 c=8.09 Z=1 [4]
KIO3•KNO3•2HIO3 dipotassium dihydrogen triiodate nitrate orthorhombic P212121 a=7.109 b=10.638 c=15.5 [5]
Sc(IO3)2(NO3) scandium diiodate nitrate 1370.31 trigonal R32 a=5.3536 c=23.567 Z=1 584.96 3.890 colourless; giant birefringence 0.348 at 546 nm; SHG 4.0×KDP; UV edge 298 nm; stable to 360°C [6]
In(IO3)2(NO3) indium diiodate nitrate 526.63 trigonal R32 a=5.2165 c=24.195, γ=120° Z=3 570.2 4.601 colourless [7]
[In(IO3)(OH)(H2O)](NO3) 386.75 monoclinic P21/n a=5.5756 b=16.410 c=7.734, β=109.95 Z=4 665.2 3.862 colourless [7]
La(IO3)2(NO3) lanthanum diiodate nitrate trigonal P3121 a=7.1002 c=38.177 Z=9 SHG 0.6 × KDP; band gap 4.23 eV [8]
Ce(IO3)2(NO3) cerium diiodate nitrate 551.93 trigonal P3121 a=7.0537 c=37.972 Z=9 1639.8 5.030 SHG 1 × KDP [9]
α-Th(IO3)2(NO3)(OH) triclinic P1 a=6.9581 b=7.2294 c=9.8989 α=68.896° β=88.759° γ=66.620° [10]
β-Th(IO3)2(NO3)(OH) orthorhombic Pbca a=7.1459 b=14.140 c=16.612 [10]

References

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  1. ^ Wu, Chao; Wu, Tianhui; Jiang, Xingxing; Wang, Zujian; Sha, Hongyuan; Lin, Lin; Lin, Zheshuai; Huang, Zhipeng; Long, Xifa; Humphrey, Mark G.; Zhang, Chi (2021-03-24). "Large Second-Harmonic Response and Giant Birefringence of CeF 2 (SO 4 ) Induced by Highly Polarizable Polyhedra". Journal of the American Chemical Society. 143 (11): 4138–4142. doi:10.1021/jacs.1c00416. hdl:1885/251607. ISSN 0002-7863. PMID 33625206. S2CID 232039261.
  2. ^ Zhang, Xiaodong; Cao, Dongxu; Yang, Daqing; Wang, Ying; Wu, Kui; Lee, Ming-Hsien; Zhang, Bingbing (2022-04-04). "Finding the First Squarates Nonlinear Optical Crystal NaHC 4 O 4 ·H 2 O with Strong Second Harmonic Generation and Giant Birefringence". ACS Materials Letters. 4 (4): 572–576. doi:10.1021/acsmaterialslett.2c00114. ISSN 2639-4979. S2CID 247352687.
  3. ^ Segura, A.; Artús, L.; Cuscó, R.; Taniguchi, T.; Cassabois, G.; Gil, B. (6 February 2018). "Natural optical anisotropy of h-BN: Highest giant birefringence in a bulk crystal through the mid-infrared to ultraviolet range". Physical Review Materials. 2 (2): 024001. doi:10.1103/PhysRevMaterials.2.024001. hdl:10261/161209. S2CID 115229555.
  4. ^ Cradwick, Peter D.; de Endredy, Andrew S. (1975). "Crystal structure of aluminium iodate nitrate hexahydrate". Journal of the Chemical Society, Dalton Transactions (19): 1926–1929. doi:10.1039/dt9750001926. ISSN 0300-9246.
  5. ^ Kalinin, V.R.; Ilyukhin, V.V.; Belov, N.V. (1978). "Crystal structure of acid mixed potassium iodate-nitrate KIO3xKNO3x2HIO3". Doklady Akademii Nauk SSSR (in Russian). 239 (6).
  6. ^ Wu, Chao; Jiang, Xingxing; Wang, Zujian; Lin, Lin; Lin, Zheshuai; Huang, Zhipeng; Long, Xifa; Humphrey, Mark G.; Zhang, Chi (2021-02-15). "Giant Optical Anisotropy in the UV‐Transparent 2D Nonlinear Optical Material Sc(IO 3 ) 2 (NO 3 )". Angewandte Chemie International Edition. 60 (7): 3464–3468. doi:10.1002/anie.202012456. hdl:1885/251539. ISSN 1433-7851. PMID 33146456. S2CID 226251002.
  7. ^ a b Huang, Yu; Jiang, Ting-kun; Yang, Bing-Ping; Hu, Chun-Li; Fang, Zhi; Mao, Jiang-Gao (2022-02-14). "Two Indium Iodate–Nitrates with Large Birefringence Induced by Hybrid Anionic Functional Groups and Their Favorable Arrangements". Inorganic Chemistry. 61 (8): 3374–3378. doi:10.1021/acs.inorgchem.2c00079. ISSN 0020-1669. PMID 35156368. S2CID 246813531.
  8. ^ Mao, Fei-Fei; Hu, Chun-Li; Li, Bing-Xuan; Mao, Jiang-Gao (2017-11-20). "Acentric La 3 (IO 3 ) 8 (OH) and La(IO 3 ) 2 (NO 3 ): Partial Substitution of Iodate Anions in La(IO 3 ) 3 by Hydroxide or Nitrate Anion". Inorganic Chemistry. 56 (22): 14357–14365. doi:10.1021/acs.inorgchem.7b02508. ISSN 0020-1669. PMID 29120615.
  9. ^ Ma, Nan; Huang, Yu; Hu, Chun-Li; Zhang, Ming-Zhi; Li, Bing-Xuan; Mao, Jiang-Gao (2023-09-07). "Ce(IO 3 ) 3 F and Ce(IO 3 ) 2 (NO 3 ): Two Mixed-Anion Cerium Iodates with Good Nonlinear Optical and Birefringent Properties". Inorganic Chemistry. 62 (37): 15329–15333. doi:10.1021/acs.inorgchem.3c02651. ISSN 0020-1669. PMID 37677152. S2CID 261607422.
  10. ^ a b Wang, Yaxing; Duan, Tao; Weng, Zhehui; Ling, Jie; Yin, Xuemiao; Chen, Lanhua; Sheng, Daopeng; Diwu, Juan; Chai, Zhifang; Liu, Ning; Wang, Shuao (2017-11-06). "Mild Periodic Acid Flux and Hydrothermal Methods for the Synthesis of Crystalline f-Element-Bearing Iodate Compounds". Inorganic Chemistry. 56 (21): 13041–13050. doi:10.1021/acs.inorgchem.7b01855. ISSN 0020-1669. PMID 28991439.
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