Chemistry:Sodium diethyldiselenocarbamate
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3D model (JSmol)
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| Properties | |
| C5H10NNaSe2 | |
| Molar mass | 265.074 g·mol−1 |
| Appearance | yellow solid |
| Melting point | 100–101 °C (212–214 °F; 373–374 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Sodium diethyldiselenocarbamate is the organoselenium compound with the formula (CH
3CH
2)
2NCSe−
2Na+
. It is a deep yellow, water soluble salt. It is one of the best studied diselenocarbamates, otherwise a rare class of compounds.[1]
Preparation and reactions
Sodium diethyldiselenocarbamate is obtained by treating carbon diselenide with diethylamine in the presence of sodium hydroxide:[2]
- CSe2 + HN(C2H5)2 + NaOH → NaSe2CN(C2H5)2 + H2O
Other diselenocarbamates can be prepared similarly from secondary amines and carbon diselenide. The related diselenoxanthates have also been prepared.[2]
Diethyldiselenocarbamate forms coordination complexes with many transition metals.[1] With Se(II), it forms the bicyclic Se(Se2CN(C2H5)2)2.[3]
Structure and bonding
The C2NCSe2 core of the diethyldiselenocarbamate anion and its complexes is planar, indicating some C–N multiple bond character.[4]
See also
References
- ↑ 1.0 1.1 Pan, Wie-Hin; Fackler, John P. (1982). "2. Diselenocarbamates from Carbon Diselenide". Diselenocarbamates from Carbon Diselenide. Inorganic Syntheses. 21. pp. 6–11. doi:10.1002/9780470132524.ch2. ISBN 978-0-471-86520-9.
- ↑ 2.0 2.1 Rosenbaum, A.; Kirchberg, H.; Leibnitz, E. (1963). "Über Diselenoxanthogenate und Diselenocarbamate". Journal für Praktische Chemie 19 (1–2): 1–13. doi:10.1002/prac.19630190101.
- ↑ Gould, Robert O.; Jones, C. Lynn; Savage, W. John; Stephenson, T. Anthony (1976). "Crystal and Molecular Structure of Bis(NN-diethyldiselenocarbamato)-selenium(II)". Journal of the Chemical Society, Dalton Transactions (10): 908. doi:10.1039/dt9760000908.
- ↑ Dietzsch, Wolfgang; Duffy, Norman V.; Lee, Aaron M.; Skelton, Brian W.; White, Allan H. (2006). "Structural Consequences of S → Se Substitution in some Symmetrical [M(S2CNR2)3] Complexes". Zeitschrift für Anorganische und Allgemeine Chemie 632 (15). doi:10.1002/zaac.200600207.
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