Pi bond (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pi bond" in English language version.

Last modified: 15:28:47, 15 September 2026 (UTC)

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adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

Harmony, Marlin D. (1990). "The equilibrium carbon–carbon single-bond length in ethane". J. Chem. Phys. 93 (10): 7522–7523. Bibcode:1990JChPh..93.7522H. doi:10.1063/1.459380.

archive.org (Global: 6^th place; English: 6^th place)

Streitwieser, Andrew; Heathcock, Clayton H.; Kosower, Edward M. (1992). Introduction to organic chemistry. Heathcock, Clayton H., Kosower, Edward M. (4th ed.). New York: Macmillan. pp. 250. ISBN 978-0024181701. OCLC 24501305.

doi.org (Global: 2^nd place; English: 2^nd place)

Veillard, A. (1970). "Relaxation during internal rotation ethane and hydrogen peroxyde". Theoretica Chimica Acta. 18 (1): 21–33. doi:10.1007/BF00533694. S2CID 94310101.
Harmony, Marlin D. (1990). "The equilibrium carbon–carbon single-bond length in ethane". J. Chem. Phys. 93 (10): 7522–7523. Bibcode:1990JChPh..93.7522H. doi:10.1063/1.459380.
Jemmis, E. D.; Pathak, Biswarup; King, R. Bruce; Schaefer III, Henry F. (2006). "Bond length and bond multiplicity: σ-bond prevents short π-bonds". Chemical Communications (20): 2164–2166. doi:10.1039/b602116f. PMID 16703142.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Jemmis, E. D.; Pathak, Biswarup; King, R. Bruce; Schaefer III, Henry F. (2006). "Bond length and bond multiplicity: σ-bond prevents short π-bonds". Chemical Communications (20): 2164–2166. doi:10.1039/b602116f. PMID 16703142.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Veillard, A. (1970). "Relaxation during internal rotation ethane and hydrogen peroxyde". Theoretica Chimica Acta. 18 (1): 21–33. doi:10.1007/BF00533694. S2CID 94310101.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Streitwieser, Andrew; Heathcock, Clayton H.; Kosower, Edward M. (1992). Introduction to organic chemistry. Heathcock, Clayton H., Kosower, Edward M. (4th ed.). New York: Macmillan. pp. 250. ISBN 978-0024181701. OCLC 24501305.