Author
Foil A. Miller
Other affiliations: Mellon Institute of Industrial Research
Bio: Foil A. Miller is an academic researcher from University of Pittsburgh. The author has contributed to research in topics: Raman spectroscopy & Infrared. The author has an hindex of 17, co-authored 43 publications receiving 1023 citations. Previous affiliations of Foil A. Miller include Mellon Institute of Industrial Research.
Papers
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TL;DR: In this article, a sample holder for laser Raman spectroscopy of liquids and powders at any temperature between −196° and +200°C was described, which was designed for the Spex Ramalog system, which uses 90° viewing.
Abstract: This note describes a simple, convenient sample holder for laser Raman spectroscopy of liquids and powders at any temperature between −196° and +200°C. It was designed for the Spex Ramalog system, which uses 90° viewing. With this system a liquid or powdered sample is contained in a thinwalled melting point tube which is oriented crosswise to the slit, i.e., parallel to the plane of the slit jaws and perpendicular to the long axis of the slit.1 The laser beam impinges on the sample vertically, and the tattered radiation is viewed horizontally.
296 citations
TL;DR: Dicyanodiacetylene is the longest confirmed linear molecule now known as mentioned in this paper, whose infrared spectrum was measured from 35 to 4000 cm −1 in the vapor and solution phases.
82 citations
TL;DR: In this paper, the vibrations of benzene are numbered according to either the Herzberg or the Wilson scheme, and a plea is made for using only one convention, and reasons are gigen for choosing Herzberg's.
Abstract: Mono, 1,3, 5-substituted benzenes (and only these) have a very strong, highly poarized Raman band at 1000±10 cm−1. It is often misassigned as the symmetrical ring breathing, whereas in fact it is derived from the benzene trigonal ring deformation v6. In the current literature the vibrations of benzene are numbered according to either the Herzberg or the Wilson scheme. A plea is made for using only one convention, and reasons are gigen for choosing Herzberg's.
64 citations
TL;DR: In this article, it was shown that the symmetric double minimum potential function for cyclobutane-d8 is V(cm−1) = 6.932 × 105χ4 − 3.790 × 104χ2, where χ is one half the distance between the ring diagonals in angstroms.
62 citations
TL;DR: In this paper, a tetrahedral model was proposed for Si(NCO) 4 and Ge (NCO 4 ) and it was shown that the Si-N-C-C C-O group is linear, in contrast to the C-N�l C group.
54 citations
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TL;DR: In this article, a vibrational assignment for the -d0 molecule is facilitated by the availability of spectral data for five different isotopomers, including S-methyl-N, N-dimefhylthiocarbamate, (CH3)2NC(O)SCH3, and its isotopomer, S-d3, n-d6 and N -d9, for the gas and liquid.
839 citations
531 citations
473 citations
TL;DR: In this paper, an equilibrium polymerization model is proposed to account for the observed concentration of vanadia species, which leads to an initial polymer size of ∼2 at low loadings, consistent with the formation of dimeric species.
261 citations
TL;DR: The negative molecular ion C3N− has been detected at millimeter wavelengths in a low-pressure laboratory discharge, and then with frequencies derived from the laboratory data in the molecular envelope of IRC+10216.
Abstract: The negative molecular ion C3N− has been detected at millimeter wavelengths in a low-pressure laboratory discharge, and then with frequencies derived from the laboratory data in the molecular envelope of IRC+10216. Spectroscopic constants derived from laboratory measurements of 12 transitions between 97 and 378 GHz allow the rotational spectrum to be calculated well into the submillimeter-wave band to 0.03 km s−1 or better in equivalent radial velocity. Four transitions of C3N− were detected in IRC+10216 with the IRAM 30 m telescope at precisely the frequencies calculated from the laboratory measurements. The column density of C3N− is 0.5% that of C3N, or approximately 20 times greater than that of C4H− relative to C4H. The C3N− abundance in IRC+10216 is compared with a chemical model calculation by Petrie & Herbst. An upper limit in TMC-1 for C3N− relative to C3N (<0.8%) and a limit for C4H− relative to C4H (<0.004%) that is 5 times lower than that found in IRC+10216, were obtained from observations with the NRAO 100 m Green Bank Telescope (GBT). The fairly high concentration of C3N− achieved in the laboratory implies that other molecular anions containing the CN group may be within reach.
226 citations