The laboratory generation of potentially interstellar cumulenes S(C<sub>n</sub>)S (<i>n</i> = 2–6) and their radical cations

Sülzle, Detlev; Beye, N.; Fanghänel, E.; Schwarz, Helmut

doi:10.1002/cber.19901231020

Cited by 32 publications

(20 citation statements)

References 39 publications

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“…Ohshima et al., Hirahara et al, and Kasai et al generated C n S ( n = 2−5) clusters in the discharge of a gaseous C 2 H 2 /CS 2 /Ar mixture and used Fourier transform microwave (FT-MW) spectrometry to determine their structures. Schwarz and co-workers observed the C n S 2 ( n = 2−6) clusters using neutralization−reionization mass spectrometry . Theoretical works on C n S clusters have been carried out by a number of groups, − with earlier work being done on the smaller species ( n = 2, 3) 14-18 and later work on the larger ones ( n = 4−9). , Seeger, Flugge, and Botschwina have reported 19 extensive ab initio work on C 3 S and C 5 S, while Lee has presented 20 density functional calculations on the linear polycarbon sulfide series, C n S ( n = 2−9).…”

Section: Introductionmentioning

confidence: 99%

Infrared Absorption Spectroscopy of Small Carbon−Sulfur Clusters Isolated in Solid Ar

et al. 1999

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Small asymmetric and symmetric carbon−sulfur clusters, C n S and SC n S (n = 1−5), have been generated by pulsed laser ablation of a carbon/sulfur mixture, deposited in an argon matrix at 12 K, and studied via Fourier transform infrared absorption spectroscopy. Previous vibrational band assignments for a number of these clusters have been confirmed and new assignments for others have been made using a combination of isotopic (12C/13C) substitution and density functional (B3LYP/6-311G*) and ab initio (MP2) theoretical calculations. Reactions of neutral C n (n = 1−9) and C m S (m = 6−0) fragments are shown theoretically to be highly exothermic. Evidence for such aggregation reactions in the formation of the clusters is found from isotopomeric band intensities. Given their calculated vibrational band intensities and estimated column densities, it is proposed that the direct observation via IR spectroscopy of C5S and SC5S clusters in the envelope of the carbon star, IRC+10216, and, possibly, the Taurus molecular cloud, TMC-1, is an attractive possibility.

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Section: Introductionmentioning

confidence: 99%

Infrared Absorption Spectroscopy of Small Carbon−Sulfur Clusters Isolated in Solid Ar

et al. 1999

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“…In addition, electronic absorption spectra of small C 2 S, C 2 S Ϫ , C 4 S Ϫ C 5 S, C 6 S, and C 6 S Ϫ clusters have been reported [18,19]. Finally, C n S ϩ and C n S 2 ϩ clusters up to C 27 S 2 ϩ were determined using mass spectrometry [20,21].…”

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confidence: 99%

Vibrational absorption spectra of C_nS (n = 2, 6) and C_nS₂ (n = 7, 9, 11, 13, 15) linear carbon–sulfur clusters

Wang

Szczepański

Cooke

et al. 2004

Int J of Quantum Chemistry

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Carbon-sulfur clusters have been generated by the laser ablation of mixed sulfur-graphite pellets and the pulsed-jet discharge of acetylene/carbon disulfide/argon or diacetylene/carbon disulfide/argon mixtures. Fourier transform infrared absorption spectroscopic measurements of cryogenic argon matrices, aided by Becke's three-parameter exchange functional and the gradient-corrected functional of Lee, Yang, and Paar (B3LYP/6-311G*) calculations of the previous paper, has led to the identification of six heretofore unknown C n S m clusters: C 6 S, C 7 S 2 , C 9 S 2 , C 11 S 2 , C 13 S 2 , and C 15 S 2 . In addition, C 2 S has also been formed and bands at 1662.6 and 857.2 cm Ϫ1 unambiguously assigned to its C-C and C-S stretching modes, respectively. Using 12 C/ 13 C isotopic substitution and density functional theory calculations, bands at 1377.9, 1368.8, 1832.4, and 1796.9 cm Ϫ1 have been assigned to the 4 , 7 , 10 , and 12 C-C stretching vibrations in linear C 6 S, C 7 S 2 , C 13 S 2 , and C 15 S 2 clusters, respectively. From intensity correlation measurements, the 2056.7, 1938.2, and 1504.5 cm Ϫ1 bands have been attributed to the C 7 S 2 ( 5 , 6 ), and C 15 S 2 ( 13 ) clusters, respectively. A "coincidence plot" has been used to ascribe several additional bands to the C 9 S 2 ( 7 , 8 ), and C 11 S 2 ( 9 ) clusters.

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“…Identification of the connectivity was performed by reionization of the neutral molecules in the so-called neutralization-reionization experiment (NRMS). 9 For example, S᎐ ᎐ C᎐ ᎐ C᎐ ᎐ C᎐ ᎐ C᎐ ᎐ S was unambiguously identified by intense peaks at m/z 68 (CCCS ϩ ), 56 (CCS ϩ ), 36 (CCC ϩ ) and also by an intense recovery signal corresponding to 'survivor' ions.…”

Section: Introductionmentioning

confidence: 99%

3,6-Dihydro[1,2]dithiolo[4,3-c][1,2]dithiole-3,6-dithione and oxo analogues: a comparative study of the thermal (FVP) and electron ionization (EI) induced fragmentations

Pedersen¹,

Flammang²,

Gerbaux³

et al. 1998

J. Chem. Soc., Perkin Trans. 2

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The laboratory generation of potentially interstellar cumulenes S(C_n)S (n = 2–6) and their radical cations

Cited by 32 publications

References 39 publications

Infrared Absorption Spectroscopy of Small Carbon−Sulfur Clusters Isolated in Solid Ar

Infrared Absorption Spectroscopy of Small Carbon−Sulfur Clusters Isolated in Solid Ar

Vibrational absorption spectra of C_nS (n = 2, 6) and C_nS₂ (n = 7, 9, 11, 13, 15) linear carbon–sulfur clusters

3,6-Dihydro[1,2]dithiolo[4,3-c][1,2]dithiole-3,6-dithione and oxo analogues: a comparative study of the thermal (FVP) and electron ionization (EI) induced fragmentations

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The laboratory generation of potentially interstellar cumulenes S(Cn)S (n = 2–6) and their radical cations

Cited by 32 publications

References 39 publications

Infrared Absorption Spectroscopy of Small Carbon−Sulfur Clusters Isolated in Solid Ar

Infrared Absorption Spectroscopy of Small Carbon−Sulfur Clusters Isolated in Solid Ar

Vibrational absorption spectra of CnS (n = 2, 6) and CnS2 (n = 7, 9, 11, 13, 15) linear carbon–sulfur clusters

3,6-Dihydro[1,2]dithiolo[4,3-c][1,2]dithiole-3,6-dithione and oxo analogues: a comparative study of the thermal (FVP) and electron ionization (EI) induced fragmentations

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The laboratory generation of potentially interstellar cumulenes S(C_n)S (n = 2–6) and their radical cations

Vibrational absorption spectra of C_nS (n = 2, 6) and C_nS₂ (n = 7, 9, 11, 13, 15) linear carbon–sulfur clusters