hitran2refr
Richard J. Mathar, J. Opt. A: Pure Appl. Opt. 9 (2007) 470
prconst.h
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#ifndef PR_CONST_H
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#define PR_CONST_H
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/* molar gas constant, J /mol/K */
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#define AVOGADRO 6.02214199e23
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/* Avogadro/ Loschmidt Number 1/mol */
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#define RMOLAR 8.314472
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/* light velocity in vacuum m/s */
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#define VACUUMC 2.99792458e+8
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/* Hartree in eV */
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#define HARTREE 27.2113961
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/* elementary charge, Coulomb */
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#define ECHARGE 1.602176462e-19
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/* electric constant in Farad/m */
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#define EPSILONZERO 8.854187817e-12
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/* Planck constant divided by 2pi in J*s */
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#define HBAR 1.05457168e-34
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/* electron rest mass in kg */
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#define EMASS 9.10938188e-31
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/* h*c in eV*cm */
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#define HC 1.23984244e-4
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/* Planck constant h in J*s */
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#define PLANCK 6.6260693e-34
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/* Boltzmann k J/K */
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#define BOLTZMANNK 1.3806505e-23
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/* molecular weight of 2*H+O; most common isotope 18.0105; the standard isotope mix
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* is 18.01508; this here the Wagner-Pruss of J Phys Chem Ref Data 31, 387
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*/
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#define WATERMOLWEIGHT 18.015268
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/* seconds per day, 24*3600 */
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#define SECPERDAY 86400.
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#endif
/* PR_CONST_H */
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