Odd-even effect in melting properties of 12 alkane-alpha,omega-diamides (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Odd-even effect in melting properties of 12 alkane-alpha,omega-diamides (Articolo in rivista) (literal)

Anno

• 2006-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1016/j.jct.2006.04.004 (literal)

Alternative label

• Badea, Elena; Della Gatta, Giuseppe; D'Angelo, Domenico; Brunetti, Bruno; Reckova, Zuzana (2006)
  Odd-even effect in melting properties of 12 alkane-alpha,omega-diamides
  in Journal of Chemical Thermodynamics
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Badea, Elena; Della Gatta, Giuseppe; D'Angelo, Domenico; Brunetti, Bruno; Reckova, Zuzana (literal)

Pagina inizio

• 1546 (literal)

Pagina fine

• 1552 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 38 (literal)

Rivista

• Journal of Chemical Thermodynamics (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali

• 7 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 12 (literal)

Note

• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• University of Turin; University of Turin; ISMN CNR; Institute of Chemical Technology Prague (literal)

Titolo

• Odd-even effect in melting properties of 12 alkane-alpha,omega-diamides (literal)

Abstract

• Fusion and solid-to-solid transitions of a homologous series of 12 linear alkane-alpha,omega-diamides H2NCO-(CH2)((n-2))-CONH2, where n = (2 to 12 and 14), were investigated by differential scanning calorimetry (d.s.c.). The temperatures of fusion of even terms decreased from T-fus approximate to 572 K to about 460 K, whereas those of odd terms remained substantially constant at about 450 K. Solid-to-solid transitions were also detected for oxamide, malonamide, succinamide, adipamide, suberamide, and dodecanediamide. Regular odd-even alternation was displayed by the temperature, enthalpy, and entropy of fusion values, terms with even number of carbon atoms showing higher values than odd terms.This behaviour was attributed to different crystal packing allowing consonance between hydrogen bonding and dispersive interaction in even terms, which are characterised by multilayer structure, whereas in odd terms a strained three-dimensional network results in looser packing. Parallel alternation of densities in solid alkane-alpha,omega-diamides supports this interpretation. Comparison was made with literature values for temperatures, enthalpies, and entropies of fusion of isoelectronic linear alkanes, dicarboxylic acids, and alkyldiamines. (c) 2006 Published by Elsevier Ltd. (literal)

Prodotto di

• Aspetti chimico fisici dei processi fondamentali (PM.P05.005.001) (Modulo)
• Istituto per lo studio dei materiali nanostrutturati (ISMN) (Istituto)

Autore CNR

• BRUNO BRUNETTI (Unità di personale interno)

Insieme di parole chiave

• Parole chiave di "Odd-even effect in melting properties of 12 alkane-alpha,omega-diamides" (Insieme di parole chiave)

Incoming links:

Prodotto

• Istituto per lo studio dei materiali nanostrutturati (ISMN) (Istituto)
• Aspetti chimico fisici dei processi fondamentali (PM.P05.005.001) (Modulo)

Autore CNR di

• BRUNO BRUNETTI (Unità di personale interno)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Journal of Chemical Thermodynamics (Rivista)

Insieme di parole chiave di

• Parole chiave di "Odd-even effect in melting properties of 12 alkane-alpha,omega-diamides" (Insieme di parole chiave)