196,178 research outputs found
Genealogie credibili. Scritti in onore di Roberto Bizzocchi
No full textIl volume intende celebrare la carriera accademica di Roberto
Bizzocchi, raccogliendo i contributi scritti per l’occasione da un nutrito
gruppo di amici, colleghi e allievi. Si tratta in tutto di trenta saggi che sono
stati ripartiti in cinque sezioni tematicamente omogenee, individuate sulla
base dei molteplici interessi manifestati da Bizzocchi nel suo lungo percorso di ricerca
The high-resolution infrared spectrum of DC4H from 450 to 1100 cm−1: overtone, combination and hot bands.
No full textThe high-resolution infrared spectrum of monodeuterated diacetylene has been recorded in the 450–
1100 cm−1 spectral region by Fourier transform infrared spectroscopy. Seven new bands have been
identified: the ν3 fundamental (C–C stretch), and the ν8 + ν9, ν7 + ν8, 2ν7, 2ν8, ν8 + ν9 − ν9, and
ν6 + ν9 − ν9 combination, overtone, and hot bands. The assigned transitions, together with those
previously reported for the fundamental bands [F. Tamassia, L. Bizzocchi, C. Degli Esposti, L. Dore,
M. Di Lauro, L. Fusina, M. Villa, and E. Canè, Astron. Astrophys. 549, A38 (2013)], form a comprehensive
data set which comprises more than 2500 ro-vibrational transitions, and involves all singly
and most doubly excited vibrational states of DC4H lying below 1000 cm−1. Rotational and vibrational
l-type resonance effects among the sub-levels of excited bending states were considered in the
analysis, which also included a careful treatment of the various anharmonic interactions coupling
many vibrational states lying above 600 cm−1. Reliable and unambiguous spectroscopic parameters
were obtained for each investigated state, including the rotational and centrifugal distortion constants
Bv and Dv, the l-type doubling parameter qt, the anharmonicity constants xL(89), xL(69), and the vibrational
l-type terms r89, r69 for the v8 = v9 = 1 and v6 = v9 = 1 bend-bend combination states
"Intrudersi nell’altrui famiglie". Abusi plebei di cognomi ed emblemi patrizi nella Repubblica di Lucca
No full textRiprendendo alcuni temi principali della ricerca accademica di Roberto Bizzocchi, all'interno del volume a lui dedicato, questo saggio indaga diverse vicende onomastiche, genealogiche e araldiche che caratterizzarono la nobiltà lucchese in Età moderna come ceto di potere ben distinto rispetto al resto della società locale
Millimeter-wave spectroscopy of rare isotopomers of HC5N and DC5N: determination of a mixed experimental-theoretical equilibrium structure for cyanobutadiyne.
No full textCyanobutadiyne has been produced by gas phase copyrolysis of pyridine and phosphorus trichloride in a flow reactor. The yield of the reaction is sufficiently good to allow the detection of rotational transitions of the C-13 and N-15 containing species in natural abundance. Normal pyridine and its fully deuterated variant have been used as precursors, making it possible to study the ground-state rotational spectra of 14 isotopomers in the millimeter wave region. Very accurate values of the rotational and quartic centrifugal distortion constants have been obtained for all the isotopic species investigated, and in addition the sextic distortion constant has been precisely determined for the most abundant variants (HC5N)-C-12-N-14 and (DC5N)-C-12-N-14, for which the measurements have been extended Lip to 460GHz. A mixed experimental-theoretical equilibrium structure has been evaluated for cyanobutadiyne combining experimental ground-state rotational constants with theoretically computed zero-point contributions. The r(e), geometry is compared with operationally defined purely experimental structures, namely r(0), r(s), and r(m)((1)) molecular structures. (C) 2004 Elsevier Inc. All rights reserved
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