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unige:30761 
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Vibrational spectra and structure of borohydrides |
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| Authors | ||
| Published in | Journal of Alloys and Compounds. 2013, vol. 580, p. S122-S124 | |
| Abstract | A comparison of the vibrational spectra of many inorganic borohydrides allows us to distinguish compounds with isolated BH4- ions and compounds containing complex ions such as Sc(BH4)4-. The characteristic spectral features of both types of compounds are identified, showing that the B–H bonding is quite different in both cases. A detailed analysis of the vibrations of the isolated BH4- ions provides new information about their local structure. Angular deformations of individual borohydride ion are analyzed quantitatively. It appears that the compounds containing isolated BH4- ions belong to those with the most electropositive cations and the highest decomposition temperature, while the complex borohydrides show significantly lower decomposition temperatures and possible diborane formation. | |
| Keywords | Hydrogen storage — Vibrational spectra — Borohydrides — FG method | |
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Article (Published version) (458 Kb) - Limited access to UNIGE Other version: http://linkinghub.elsevier.com/retrieve/pii/S0925838813001618 |
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| Structures | ||
| Research groups | Groupe Hauser Groupe Hagemann | |
| Citation (ISO format) | D'ANNA, Vincenza, LAWSON DAKU, Latevi Max, HAGEMANN, Hans-Rudolf. Vibrational spectra and structure of borohydrides. In: Journal of Alloys and Compounds, 2013, vol. 580, p. S122-S124. doi: 10.1016/j.jallcom.2013.01.112 https://archive-ouverte.unige.ch/unige:30761 |
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