Arsenide iodide explained
Arsenide iodides or iodide arsenides are compounds containing anions composed of iodide (I−) and arsenide (As3−). They can be considered as mixed anion compounds. They are in the category of pnictidehalides. Related compounds include the arsenide chlorides, arsenide bromides, phosphide iodides, and antimonide iodides.
List
| formula | system | space group | unit cell Å | volume | density | comment | ref |
|---|
| Ca2AsI | trigonal | Rm | a=4.397, c = 22.29, Z = 3 | | 3.76 | brown | [1] [2] |
| Ca3AsI3 | cubic | I4132 | a=12.42 | | 3.99 | colourless | |
| Cu2P1.8As1.2I2 | monoclinic | P21/c | a = 15.477, b = 13.200, c = 15.421, β = 115.406°, Z = 16 | | | Cu exchangeable with Ag; band gap 1.2 eV | [3] |
| Ge38As8I8 | cubic | P3m | a=10.611 | | | metallic; water and air stable | [4] |
| Ag2P1.8As1.2I2 | monoclinic | P21/c | a = 15.84, b = 13.68, c = 15.58 and β = 117.63° Z=16 | | | | [5] |
| Sn24As19.3I8 | cubic | | a=22.179 Z=8 | | | black | [6] |
| Sn20.5□3.5As22I8 | cubic | | a=22.1837 | | | low thermal conductivity | [7] |
| Sn24AsxP19.3−xI8 x=0-16 | cubic | Pm3n | a = 10.9358—11.1495 | | | | [8] |
| Sn19.3Cu4.7As22I8 | cubic | Pmn | a = 11.1736 Z = 1 | 1394.4 | 6.236 | clathrate; Zintl; diamagnetic | [9] |
| Sn24–x–δInxAs22–yI8 | cubic | Pmn | a = 11.088 (x = 0) to a = 11.343 (x = 10.7) | | | clathrate | [10] |
| La2AsI2 | trigonal | Pm1 | a=4.3795 c=10.910 | | 5.56 | | [11] |
| Hg4AsI5 | orthorhombic | Cmca | a=11.927 b=12.128 c=19.776 Z=8 | 2859.0 | 7.025 | red | [12] |
| Hg4As2I3 | cubic | Pa | a=12.999 Z=8 | 2196 | 8.06 | black | [13] |
| HgI2⋅As4S4 | monoclinic | P21/c | a=9.433 b=14.986 c=11.624 β=127.72° Z=4 | 1299 | 4.509 | orange; dec 212 °C | [14] |
| Hg5AsS2I3 | monoclinic | C2/c | a=13.339 b=8.444 c=13.428 β=118.352 Z=4 | 1331.2 | 7.599 | black; dec 150 °C | [15] |
| Hg3AsSe4I | hexagonal | P63mc | a = 7.6902, c = 9.968 Z=2 | | | red; air stable | [16] |
| [Hg<sub>7</sub>As<sub>4</sub>](AgI3)2 | cubic | Pa | a = 13.138 Z = 4 | | | | [17] [18] |
| (Hg2As)2(CdI4) | monoclinic | P21 | a=7.945, b=12.934, c=8.094, β=116.898° | 741.7 | | | [19] |
| [Hg<sub>7</sub>As<sub>4</sub>I<sub>3</sub>](SnI3) | cubic | P213 | a = 13.110, Z = 4 | 2253.2 | 7.617 | black | [20] | |
Notes and References
- Hadenfeldt . C. . Fester . W. . July 1982 . Reindarstellung und thermische Stabilität von Calcium-phosphid- und -arsenidiodiden: Ca3PI3, Ca3AsI3, Ca2PI und Ca2AsI . Zeitschrift für anorganische und allgemeine Chemie . de . 490 . 1 . 25–30 . 10.1002/zaac.19824900105 . 0044-2313.
- Hadenfeldt . C. . Herdejürgen . H. . February 1987 . Darstellung und Kristallstruktur der Calciumnitridhalogenide Ca2NCl und Ca2NBr . Zeitschrift für anorganische und allgemeine Chemie . de . 545 . 2 . 177–183 . 10.1002/zaac.19875450220 . 0044-2313.
- Jayasekera . Buddhimathie . Aitken . Jennifer A. . Heeg . Mary Jane . Brock . Stephanie L. . 2003-02-01 . Toward an Arsenic Analogue of Hittorf's Phosphorus: Mixed Pnicogen Chains in Cu 2 P 1.8 As 1.2 I 2 . Inorganic Chemistry . en . 42 . 3 . 658–660 . 10.1021/ic0258936 . 12562174 . 0020-1669.
- von Schnering . Hans-Georg . Menke . Heinz . January 1972 . Ge38P8I8 and Ge38As8I8, a New Class of Compounds with Clathrate Structure . Angewandte Chemie International Edition in English . en . 11 . 1 . 43–44 . 10.1002/anie.197200431 . 0570-0833.
- Jayasekera . Buddhimathie . Brock . Stephanie L. . 2002 . Ag Ion-Exchange Reactions of Cu 2 P 3 I 2 and Cu 2 P 1.8 As 1.2 I 2 . MRS Proceedings . en . 755 . DD6.12 . 10.1557/PROC-755-DD6.12 . 0272-9172.
- Shatruk . Mikhail M. . Kovnir . Kirill A. . Shevelkov . Andrei V. . Presniakov . Igor A. . Popovkin . Boris A. . 1999-07-01 . First Tin Pnictide Halides Sn 24 P 19.3 I 8 and Sn 24 As 19.3 I 8 : Synthesis and the Clathrate-I Type of the Crystal Structure . Inorganic Chemistry . en . 38 . 15 . 3455–3457 . 10.1021/ic990153r . 11671088 . 0020-1669.
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