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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21b.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34P/3P2G25P
Repositorysid.inpe.br/mtc-m21b/2017/05.31.19.20   (restricted access)
Last Update2017:05.31.19.20.01 (UTC) administrator
Metadata Repositorysid.inpe.br/mtc-m21b/2017/05.31.19.20.01
Metadata Last Update2018:06.04.02.27.30 (UTC) administrator
DOI10.1007/s00894-017-3335-7
ISSN1610-2940
Citation KeyCorreaSilvBarrAlbe:2017:ThStH
TitleTheoretical study of the H + HCN −→ H + HNC process
Year2017
MonthMay
Access Date2024, May 15
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size1403 KiB
2. Context
Author1 Correa, Eberth
2 Silva, Washington Barbosa da
3 Barreto, Patrícia Regina Pereira
4 Albernaz, Alessandra F.
Resume Identifier1
2
3 8JMKD3MGP5W/3C9JJ2S
Group1
2
3 LABAP-COCTE-INPE-MCTIC-GOV-BR
Affiliation1 Universidade de Brasília (UNB)
2 Instituto Federal de Educação, Ciência e Tecnologia de Goiás
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Universidade de Brasília (UNB)
Author e-Mail Address1 eberth@unb.br
2 wassestf@gmail.com
3 patricia.barreto@inpe.br
4 alessandra@fis.unb.br
JournalJournal of Molecular Modeling
Volume23
Number5
Secondary MarkB1_MEDICINA_II B1_MEDICINA_I B1_INTERDISCIPLINAR B1_FARMÁCIA B1_ENGENHARIAS_III B1_ENGENHARIAS_II B2_QUÍMICA B2_MATERIAIS B2_CIÊNCIAS_BIOLÓGICAS_III B2_CIÊNCIAS_BIOLÓGICAS_II B2_CIÊNCIAS_BIOLÓGICAS_I B2_CIÊNCIA_DA_COMPUTAÇÃO B2_BIOTECNOLOGIA B2_ASTRONOMIA_/_FÍSICA
History (UTC)2017-05-31 19:22:11 :: simone -> administrator :: 2017
2018-06-04 02:27:30 :: administrator -> simone :: 2017
3. Content and structure
Is the master or a copy?is the master
Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
KeywordsH + HCN reaction
Master equation method
Thermal rate constants
Transition state theory
AbstractWe present a theoretical study on the detailed mechanism and kinetics of the H + HCN → H + HNC process. The potential energy surface was calculated at the complete basis set quantum chemical method, CBS-QB3. The vibrational frequencies and geometries for four isomers (H 2CN, cis-HCNH, trans-HCNH, CNH 2), and seven saddle points (TSn where n = 1 − 7) are very important and must be considered during the process of formation of the HNC in the reaction were calculated at the B3LYP/6-311G(2d,d,p) level, within CBS-QB3 method. Three different pathways (PW1, PW2, and PW3) were analyzed and the results from the potential energy surface calculations were used to solve the master equation. The results were employed to calculate the thermal rate constant and pathways branching ratio of the title reaction over the temperature range of 300 up to 3000 K. The rate constants for reaction H + HCN → H + HNC were fitted by the modified Arrhenius expressions. Our calculations indicate that the formation of the HNC preferentially occurs via formation of cisHCNH, the fitted expression is kPW2(T) = 9.98 × 10−22T2.41 exp(−7.62 kcal.mol−1/RT) while the predicted overall rate constant kOverall(T) = 9.45 × 10−21T2.15 exp(−8.56 kcal.mol−1/RT) in cm3 molecule−1s−1.
AreaFISPLASMA
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4. Conditions of access and use
Languageen
Target Filecorrea_theoretical.pdf
User Groupsimone
Reader Groupadministrator
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5. Allied materials
Next Higher Units8JMKD3MGPCW/3ET2RFS
Citing Item Listsid.inpe.br/mtc-m21/2012/07.13.14.57.42 3
sid.inpe.br/bibdigital/2013/09.25.21.49 1
DisseminationWEBSCI; PORTALCAPES; SCOPUS.
Host Collectionsid.inpe.br/mtc-m21b/2013/09.26.14.25.20
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