Raman spectroscopic study on the formation of an adduct of acetonitrile with formamide
Raman spectra of binary mixtures of acetonitrile (ACN) and formamide (FA) in different compositions were obtained. The appearance of a new band at 2257 cm −1, whose intensity shows large dependence on the FA concentration, is assigned to a FA–ACN adduct. This has been possible owing to the two H-bon...
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| Veröffentlicht in: | Vibrational spectroscopy 2006-03, Vol.40 (2), p.257-262 |
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| creator | Alves, Wagner A. Antunes, Octavio A.C. Hollauer, Eduardo |
| description | Raman spectra of binary mixtures of acetonitrile (ACN) and formamide (FA) in different compositions were obtained. The appearance of a new band at 2257
cm
−1, whose intensity shows large dependence on the FA concentration, is assigned to a FA–ACN adduct. This has been possible owing to the two H-bond donor sites of FA and the strong donor character of ACN, becoming the environment propitious for the donor–acceptor reaction. Quantitative measurements performed in the C
N stretching region in the binary mixtures give a 1:1 stoichiometry in this adduct in the limit of infinite dilution. In the N–H stretching region of FA, the band at 3270
cm
−1 is assigned to (FA–FA)
n
interactions, via hydrogen bonding.
The experimental evidence of the 1:1 FA–ACN adduct is presented for the first time using Raman spectroscopy. The results described here open new possibilities to study this adduct and to evaluate thermodynamics parameters of interest. |
| doi_str_mv | 10.1016/j.vibspec.2005.10.004 |
| format | Article |
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cm
−1, whose intensity shows large dependence on the FA concentration, is assigned to a FA–ACN adduct. This has been possible owing to the two H-bond donor sites of FA and the strong donor character of ACN, becoming the environment propitious for the donor–acceptor reaction. Quantitative measurements performed in the C
N stretching region in the binary mixtures give a 1:1 stoichiometry in this adduct in the limit of infinite dilution. In the N–H stretching region of FA, the band at 3270
cm
−1 is assigned to (FA–FA)
n
interactions, via hydrogen bonding.
The experimental evidence of the 1:1 FA–ACN adduct is presented for the first time using Raman spectroscopy. The results described here open new possibilities to study this adduct and to evaluate thermodynamics parameters of interest.</description><identifier>ISSN: 0924-2031</identifier><identifier>EISSN: 1873-3697</identifier><identifier>DOI: 10.1016/j.vibspec.2005.10.004</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Acetonitrile ; Binary mixtures ; Formamide ; Quantitative Raman spectra</subject><ispartof>Vibrational spectroscopy, 2006-03, Vol.40 (2), p.257-262</ispartof><rights>2005 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-7e187f510f28e8699b28cbdcf47b0d0208e84a41289a38f48df8384f142f644c3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.vibspec.2005.10.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Alves, Wagner A.</creatorcontrib><creatorcontrib>Antunes, Octavio A.C.</creatorcontrib><creatorcontrib>Hollauer, Eduardo</creatorcontrib><title>Raman spectroscopic study on the formation of an adduct of acetonitrile with formamide</title><title>Vibrational spectroscopy</title><description>Raman spectra of binary mixtures of acetonitrile (ACN) and formamide (FA) in different compositions were obtained. The appearance of a new band at 2257
cm
−1, whose intensity shows large dependence on the FA concentration, is assigned to a FA–ACN adduct. This has been possible owing to the two H-bond donor sites of FA and the strong donor character of ACN, becoming the environment propitious for the donor–acceptor reaction. Quantitative measurements performed in the C
N stretching region in the binary mixtures give a 1:1 stoichiometry in this adduct in the limit of infinite dilution. In the N–H stretching region of FA, the band at 3270
cm
−1 is assigned to (FA–FA)
n
interactions, via hydrogen bonding.
The experimental evidence of the 1:1 FA–ACN adduct is presented for the first time using Raman spectroscopy. The results described here open new possibilities to study this adduct and to evaluate thermodynamics parameters of interest.</description><subject>Acetonitrile</subject><subject>Binary mixtures</subject><subject>Formamide</subject><subject>Quantitative Raman spectra</subject><issn>0924-2031</issn><issn>1873-3697</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLxDAUhYMoOI7-BKErd603adqmK5HBFwwIom5DmgeTYdqMSTrivze1s3d1uYdzLvd8CF1jKDDg-nZbHGwX9loWBKBKWgFAT9ACs6bMy7ptTtECWkJzAiU-RxchbAGgrnC5QJ9vohdDNqWjd0G6vZVZiKP6ydyQxY3OjPO9iDZtzmTJKpQaZfxbpI5usNHbnc6-bdzM3t4qfYnOjNgFfXWcS_Tx-PC-es7Xr08vq_t1LksKMW90-tFUGAxhmtVt2xEmOyUNbTpQQCCpVFBMWCtKZihThpWMGkyJqSmV5RLdzHf33n2NOkTe2yD1bicG7cbASUspAUKSsZqNMrUMXhu-97YX_odj4BNFvuVHinyiOMmJYsrdzTmdWhys9jxIqweplfUJGVfO_nPhF-Ohfng</recordid><startdate>20060317</startdate><enddate>20060317</enddate><creator>Alves, Wagner A.</creator><creator>Antunes, Octavio A.C.</creator><creator>Hollauer, Eduardo</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20060317</creationdate><title>Raman spectroscopic study on the formation of an adduct of acetonitrile with formamide</title><author>Alves, Wagner A. ; Antunes, Octavio A.C. ; Hollauer, Eduardo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-7e187f510f28e8699b28cbdcf47b0d0208e84a41289a38f48df8384f142f644c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Acetonitrile</topic><topic>Binary mixtures</topic><topic>Formamide</topic><topic>Quantitative Raman spectra</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Alves, Wagner A.</creatorcontrib><creatorcontrib>Antunes, Octavio A.C.</creatorcontrib><creatorcontrib>Hollauer, Eduardo</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Vibrational spectroscopy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Alves, Wagner A.</au><au>Antunes, Octavio A.C.</au><au>Hollauer, Eduardo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Raman spectroscopic study on the formation of an adduct of acetonitrile with formamide</atitle><jtitle>Vibrational spectroscopy</jtitle><date>2006-03-17</date><risdate>2006</risdate><volume>40</volume><issue>2</issue><spage>257</spage><epage>262</epage><pages>257-262</pages><issn>0924-2031</issn><eissn>1873-3697</eissn><abstract>Raman spectra of binary mixtures of acetonitrile (ACN) and formamide (FA) in different compositions were obtained. The appearance of a new band at 2257
cm
−1, whose intensity shows large dependence on the FA concentration, is assigned to a FA–ACN adduct. This has been possible owing to the two H-bond donor sites of FA and the strong donor character of ACN, becoming the environment propitious for the donor–acceptor reaction. Quantitative measurements performed in the C
N stretching region in the binary mixtures give a 1:1 stoichiometry in this adduct in the limit of infinite dilution. In the N–H stretching region of FA, the band at 3270
cm
−1 is assigned to (FA–FA)
n
interactions, via hydrogen bonding.
The experimental evidence of the 1:1 FA–ACN adduct is presented for the first time using Raman spectroscopy. The results described here open new possibilities to study this adduct and to evaluate thermodynamics parameters of interest.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.vibspec.2005.10.004</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0924-2031 |
| ispartof | Vibrational spectroscopy, 2006-03, Vol.40 (2), p.257-262 |
| issn | 0924-2031 1873-3697 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_29442022 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Acetonitrile Binary mixtures Formamide Quantitative Raman spectra |
| title | Raman spectroscopic study on the formation of an adduct of acetonitrile with formamide |
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