A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
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Names | |
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Preferred IUPAC name
1,4,7-Trithionane | |
Other names
1,4,7-Trithiacyclononane, Triethylene trisulfide, 9-ane-S3, aneS3
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.150.510 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C6H12S3 | |
Molar mass | 180.35 g/mol |
Appearance | Colourless solid |
Melting point | 78 to 81 °C (172 to 178 °F; 351 to 354 K) |
Boiling point | decomposes |
Insoluble | |
Solubility | Chlorocarbons, acetone |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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Toxic |
GHS labelling: | |
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Warning | |
H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
Related compounds | |
Related compounds
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Thiirane, 1,3,5-Trithiane, 1,4,7-Triazacyclononane |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa).
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1,4,7-Trithiacyclononane, also called 9-ane-S3, is the thia-crown ether with the formula (CH2CH2S)3. This cyclic thioether is most often encountered as a tridentate ligand in coordination chemistry, where it forms transition metal thioether complexes.
9-ane-S3 forms complexes with many metal ions, including those considered hard, such as copper(II) and iron(II).[1] Most of its complexes have the formula 2+ and are octahedral. The point group of 2+ is S6.
Synthesis
This compound was first reported in 1977,[2] and the current synthesis entails the assembly within the coordination sphere of a metal ion followed by decomplexation:[3]
References
- ^ Kueppers, H. J.; Wieghardt, K.; Nuber, B.; Weiss, J. W.; Bill, E.; Trautwein, A. X. (1987). "Crown Thioether Chemistry of Iron(II/III). Synthesis and Characterization of Low-Spin Bis(1,4,7-trithiacyclononane)iron(III) and crystal structure of 9aneS3)(9aneS3(O))(ClO4)2·2NaClO4·H2O". Inorganic Chemistry. 26 (22): 3762–3769(8). doi:10.1021/ic00269a028.
- ^ Gerber, D.; Chongsawangvirod, P.; Leung, A. K.; Ochrymowycz, L. A. (1977). "Synthesis of the Torsionally Strained Monocyclic Polythiaether 1,4,7-Trithiacyclononane". Journal of Organic Chemistry. 42 (15): 2644–2645. doi:10.1021/jo00435a030.
- ^ Sellmann, D.; Zapf, L. (1984). "Simple Route to 1,4,7-Trithiacyclononane". Angewandte Chemie. 96 (10): 799–800(2). doi:10.1002/ange.19840961019.
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