Chemistry:Hexaaza-18-crown-6
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| Names | |
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| Preferred IUPAC name
1,4,7,10,13,16-Hexaazacyclooctadecane | |
| Other names
hexacyclen
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| Identifiers | |
3D model (JSmol)
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| Properties | |
| C12H30N6 | |
| Molar mass | 258.414 g·mol−1 |
| Appearance | white solid |
| Melting point | 201 °C (394 °F; 474 K) |
| Hazards | |
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| GHS Signal word | Warning |
| H315, H319 | |
| P264, P280, P302+352, P305+351+338, P321, P332+313, P337+313, P362 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Hexaaza-18-crown-6 is the macrocyclic ligand with the formula (CH2CH2NH)6. A white solid, this compound has attracted attention as the N6-analogue of 18-crown-6. It functions as a hexadentate ligand in coordination chemistry. It is the parent hexaaza-crown ether.[1]
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Structure of [Co(III)(hexaaza-18-crown-6)]3+.[2]
Its protonated derivatives bind anions via multiple hydrogen bonds.[3]
References
- ↑ Atkins, T. J.; Richman, J. E.; Oettle, W. F. (1978). "1,4,7,10,13,16-Hexaazacyclooctadecane". Org. Synth. 58: 86. doi:10.15227/orgsyn.058.0086.
- ↑ Morooka, M.; Ohba, S.; Toriumi, K. (1992). "Electron-Density Distribution in Crystals of 1,4,7,10,13,16-Hexaazacyclooctadecanecobalt(III) Trichloride, meso-[Co(hexaen)]Cl3 at 106 K". Acta Crystallographica Section B: Structural Science 48 (4): 459–463. doi:10.1107/S0108768192002714.
- ↑ Fonari, Marina S.; Ganin, Eduard V.; Gelmboldt, Vladimir O.; Basok, Stepan S.; Luisi, Brian S.; Moulton, Brian (2008). "Binding of Fluoro-Containing Anions to Hexaazamacrocyclic Ligand: Competitive Interactions of Fluoride and Tetrafluoroborate Anions with Hexaprotonated [18]aneN6". Inorganic Chemistry Communications 11 (5): 497–501. doi:10.1016/j.inoche.2008.01.028.
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