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The interplay of hydrogen bonding and dispersion in phenol dimer and trimer: structures from broadband rotational spectroscopy.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Seifert, Nathan A. Steber, Amanda L. Neill, Justin L. Pérez, Cristóbal Zaleski, Daniel P. Pate, Brooks H. Lesarri, Alberto |
| Copyright Year | 2013 |
| Abstract | The structures of the phenol dimer and phenol trimer complexes in the gas phase have been determined using chirped-pulse Fourier transform microwave spectroscopy in the 2-8 GHz band. All fourteen (13)C and (18)O phenol dimer isotopologues were assigned in natural abundance. A full heavy atom experimental substitution structure was determined, and a least-squares fit ground state r0 structure was determined by proper constraint of the M06-2X/6-311++g(d,p) ab initio structure. The structure of phenol dimer features a water dimer-like hydrogen bond, as well as a cooperative contribution from inter-ring dispersion. Comparisons between the experimental structure and previously determined experimental structures, as well as ab initio structures from various levels of theory, are discussed. For phenol trimer, a C3 symmetric barrel-like structure is found, and an experimental substitution structure was determined via measurement of the six unique (13)C isotopologues. The least-squares fit rm((1)) structure reveals a similar interplay between hydrogen bonding and dispersion in the trimer, with water trimer-like hydrogen bonding and C-H···π interactions. |
| File Format | PDF HTM / HTML |
| DOI | 10.1039/c3cp51725j |
| Alternate Webpage(s) | http://www.rsc.org/suppdata/cp/c3/c3cp51725j/c3cp51725j.pdf |
| PubMed reference number | 23749053 |
| Alternate Webpage(s) | https://doi.org/10.1039/c3cp51725j |
| Journal | Medline |
| Volume Number | 15 |
| Issue Number | 27 |
| Journal | Physical chemistry chemical physics : PCCP |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |