Zobrazeno 1 - 10
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pro vyhledávání: '"Alvin H. Nielsen"'
Autor:
Alvin H. Nielsen, Hoyt M. Kaylor
Publikováno v:
The Journal of Chemical Physics. 23:2139-2152
The infrared spectrum of CD4 has been examined from 900 cm—1 to 8500 cm—1. A total of twenty‐eight bands were observed, including four originally measured by Nielsen and Nielsen under somewhat lower resolving power. Twenty‐three bands were at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f03fcb42cbc3d49db68747a1081fd623
https://doi.org/10.1063/1.1740684
https://doi.org/10.1063/1.1740684
Autor:
Alvin H. Nielsen, Walter Gordy
Publikováno v:
The Journal of Chemical Physics. 6:12-16
The fundamental vibrational band of the OH group of phenol appearing in the region of 3μ has been studied for solutions of different concentrations of phenol in benzene, bromobenzene, nitrobenzene, dioxane, and ethyl acetate. The band appears at the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb897787c3cf72ecbf1e7092eb4b25c5
https://doi.org/10.1063/1.1750116
https://doi.org/10.1063/1.1750116
Publikováno v:
Physical Review. 72:284-289
The infra-red spectrum of carbon monoxide has been investigated with a 7200 line-per-inch grating. The fundamental bands of ${\mathrm{C}}^{12}$${\mathrm{O}}^{16}$ and ${\mathrm{C}}^{13}$${\mathrm{O}}^{16}$ and the overtone of ${\mathrm{C}}^{12}$${\ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c38d281b597b045ae12245a885260e69
https://doi.org/10.1103/physrev.72.284
https://doi.org/10.1103/physrev.72.284
Publikováno v:
The Journal of Chemical Physics. 19:242-245
The infrared and Raman spectra of SiF4 have been completely reexamined and extended. The Raman spectrum yields four lines at 268 cm−1, 390 cm−1, 800 cm−1, and 1010 cm−1, which have been assigned ν2, ν4, ν1, and ν3 respectively. In the inf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8aecc190f6cd59d414745c4471d8f203
https://doi.org/10.1063/1.1748168
https://doi.org/10.1063/1.1748168
Autor:
Alvin H. Nielsen
Publikováno v:
The Journal of Chemical Physics. 11:160-163
The vibration‐rotation energies of the linear X‐Y‐Z type molecule are derived according to a method suggested by Professor Harald H. Nielsen in a recent paper. By the proper substitutions the energy expressions are reduced to the ones appropria
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::061e1a1739b05499a8bfe4787b621822
https://doi.org/10.1063/1.1723820
https://doi.org/10.1063/1.1723820
Autor:
Alvin H. Nielsen, Harald H. Nielsen
Publikováno v:
Physical Review. 54:118-121
The spectrum of C${\mathrm{D}}_{4}$ has been measured from 3.0\ensuremath{\mu} to 10.5\ensuremath{\mu} and three regions of absorption were observed. These bands with centers at 2992.8 ${\mathrm{cm}}^{\ensuremath{-}1}$, 3103.7 ${\mathrm{cm}}^{\ensure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20a88cbfd2ab78950b0218a9e4dbff0d
https://doi.org/10.1103/physrev.54.118
https://doi.org/10.1103/physrev.54.118
Autor:
Alvin H. Nielsen
Publikováno v:
The Journal of Chemical Physics. 22:659-664
The infrared grating spectra of σ2 for B10F3 and B11F3 have been reexamined from 650 to 750 K. Two samples of BF3, one composed of 93.4 percent B10F3 and 6.6 percent of B11F3, and the other of the normal abundance ratio 20 percent B10F3 and 80 perce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f47d8ae50a386bded1902d4b26dad249
https://doi.org/10.1063/1.1740143
https://doi.org/10.1063/1.1740143
Autor:
Alvin H. Nielsen, P. J. H. Woltz
Publikováno v:
The Journal of Chemical Physics. 20:1878-1883
The infrared spectrum of ClO2has been reinvestigated from 2–40μ. Several new bands have been discovered, among them the bending frequency ν2 at 445 cm−1. This band has the doublet character required if the molecular model is to be an obtuse tri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f0d31ec4d8b64bc6025acade3be8f2b
https://doi.org/10.1063/1.1700331
https://doi.org/10.1063/1.1700331
Autor:
Alvin H. Nielsen, Fred L. Keller
Publikováno v:
The Journal of Chemical Physics. 22:294-299
High‐dispersion measurements have been made for the first time on the fundamental, first overtone, and second overtone infrared vibrational bands of DBr. Path lengths from 40 cm to 17 m were used with pressures ranging from 90 mm to 460 mm. The iso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f744c67ed83234edda30a5950c4a6c39
https://doi.org/10.1063/1.1740055
https://doi.org/10.1063/1.1740055
Autor:
Harald H. Nielsen, Alvin H. Nielsen
Publikováno v:
The Journal of Chemical Physics. 5:277-283
The spectra of HDS and D2S have been investigated under high dispersion using a grating spectrometer. An absorption band at 9.0μ in HDS has been identified as ν2 and has an average spacing of the rotation lines of about 6.85 cm—1. In D2S bands we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e39c7220aece31eeb393dcd4b5effbf
https://doi.org/10.1063/1.1750022
https://doi.org/10.1063/1.1750022