Atomization enthalpy and enthalpy of formation of gaseous Si4 from mass spectrometric equilibrium measurements
Recent spectroscopic and theoretical investigations have allowed us to calculate new thermal functions for the Si4 molecule. These thermal functions have been combined with new and with reevaluated mass spectrometric data in obtaining an atomization enthalpy of ΔHa,0=1160±22 kJ mol−1 and an enthalpy...
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| Veröffentlicht in: | The Journal of chemical physics 1993-11, Vol.99 (10), p.7998-8004 |
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| container_end_page | 8004 |
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| container_issue | 10 |
| container_start_page | 7998 |
| container_title | The Journal of chemical physics |
| container_volume | 99 |
| creator | SCHMUDE, R. W RAN, Q GINGERICH, K. A |
| description | Recent spectroscopic and theoretical investigations have allowed us to calculate new thermal functions for the Si4 molecule. These thermal functions have been combined with new and with reevaluated mass spectrometric data in obtaining an atomization enthalpy of ΔHa,0=1160±22 kJ mol−1 and an enthalpy of formation of ΔHf,0=643±22 kJ mol−1. The experimental results are compared to MP4/6–31G* and G2 predictions. |
| doi_str_mv | 10.1063/1.465676 |
| format | Article |
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A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c169t-8322b73c0f3d98782681104d647164b3c54435dbb455a15a4462de4180f961783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Chemical thermodynamics</topic><topic>Chemistry</topic><topic>Elements, mineral and organic compounds</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Thermodynamic properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>SCHMUDE, R. W</creatorcontrib><creatorcontrib>RAN, Q</creatorcontrib><creatorcontrib>GINGERICH, K. A</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>The Journal of chemical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>SCHMUDE, R. 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The experimental results are compared to MP4/6–31G* and G2 predictions.</abstract><cop>Woodbury, NY</cop><pub>American Institute of Physics</pub><doi>10.1063/1.465676</doi><tpages>7</tpages></addata></record> |
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| ispartof | The Journal of chemical physics, 1993-11, Vol.99 (10), p.7998-8004 |
| issn | 0021-9606 1089-7690 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_465676 |
| source | AIP Digital Archive |
| subjects | Chemical thermodynamics Chemistry Elements, mineral and organic compounds Exact sciences and technology General and physical chemistry Thermodynamic properties |
| title | Atomization enthalpy and enthalpy of formation of gaseous Si4 from mass spectrometric equilibrium measurements |
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