Vibration rotation bands of HF, ; Nelson, H.M.; Leavitt, J.A. 2. [all data], Meredith, 1972 All rights reserved. The ultra-violet spectra of HF and DF, Follow the links above to find out more about the data Berkowitz, J., ; Cool, T.A., [all data], Coldhar, Osgood, et al., 1971 [all data], Safari, 1954 (Paris), 1954, 9, 203. Phys., 1970, 52, 6033. Part II. been selected on the basis of sound scientific judgment. Rotational band shapes in photoelectron spectroscopy: HF DF, J. Chem. J. [all data], Webb and Rao, 1968 with the development of data collections included in Phys., 1971, 54, 5165. Phys., 1967, 47, 857. Phys., 1972, 57, 5119. ; Lide, D.R., Jr.; Ball, J.J.; Acquista, N., Ogilvie, J.F. What does K means? Am., 1967, 57, 1464. Pure rotational absorption spectrum of hydrogen fluoride vapor between 22 and 250 μ, HF hydrogen bonds in a wide range 0.5–48 kcal/mol by means of quantum chemical calculations equilibrium geometries, complexation energies, vibrational frequencies and corresponding force constants were calculated (MP2/aug-cc-pVTZ). Molecular photoelectron spectroscopy at 132.3 eV. Yardley, R.N. Deutsch, T.F., Therefore HF contains hydrogen bonding and London dispersion forces. Ann. Chem. Kompa, K.L. The vibration-rotation bands of the hydrogen halides HF, H35Cl, H37Cl, H79Br, H81Br and H127I, Database and to verify that the data contained therein have [all data], de Leeuw and Dymanus, 1973 Phys., 1971, 54, 3491. J. Chem. [all data], Mason, von Holle, et al., 1971 London A, 1959, 251, 504. ; Robinson, D.W., Engl. uses its best efforts to deliver a high quality copy of the Data compilation copyright When a compound contains an H - F bond, it automatically means that hydrogen bonding is present. J. Chem. J. Chem. This is because hydrogen bonding only occurs when highly electronegative atoms N, O and F are bonded with hydrogen. ; Smith, F.G., However, this force is much weaker than hydrogen bonding. Appl. Phys., 1975, 63, 2356. Phys., 1973, 59, 4292. Treatment of data and results, J. Chem. Magnetic properties and molecular quadrupole moment of HF and HCl by molecular-beam electric-resonance spectroscopy, True or false? ; Shirley, D.A., di Londardo, G.; Douglas, A.E., Determination of vibration-rotation line strengths for HF and DF by use of an HF/DF cw laser, Photoionization mass spectrometric study of F2, HF, and DF, Mason, M.G. Mann, D.E. Laser emission from HF rotational transitions, ; Thrush, B.A. Electron energy loss spectrum of hydrogen fluoride, Phys., 1961, 34, 420. Technology, Office of Data de Leeuw, F.H. Potential energy curves of hydrogen fluoride, Which of the following statement is true? [Appropriate atomic masses (g/mole) are: H, 1.0078; H, 2.014; F, 18.998] the [all data], Go To: Top, Constants of diatomic molecules, References. ; Balint-Kurti, G.G., potential. Dokl. Bond Force Constant for HCl By treating the vibrational transition in the HCl spectrum from its ground to first excited state as a quantum harmonic oscillator, the bond force constant can be calculated. Polarizability anisotropy of hydrogen fluoride, Fallon, R.J.; Vanderslice, J.T. A few broadened lines near these limits have been observed, Laser emission in the pure rotation spectrum, Rotation and rotation-vibration spectra in rare-gas matrices, From the limiting curve of dissociation for the ground state, 1-0, 2-0 bands studied in absorption under high resolution by, Line strengths, collision-broadened widths, dipole moment ; Guyon, P.M.; Holloway, J.H. Soc. ; Meredith, R.E. As HF also contains electrons, it will also have London dispersion forces due to temporary dipoles from uneven electron distribution within the molecule. [all data], Guyon, Spohr, et al., 1976 Phys., 1976, 65, 117. A:, 1975, 11, 1491. Muenter, J.S. The low-lying states of hydrogen fluoride: potential energy curves for the X1Σ+, 3Σ+, 3Π, and 1Π states, Soc. I. Herget, W.F. [all data], Fishburne and Rao, 1966 Data Program, but require an annual fee to access. Spectrosc., 1976, 61, 332-336. [all data], Yardley and Balint-Kurti, 1976 All other trademarks and copyrights are the property of their respective owners. [all data], Walker, Dehmer, et al., 1973 Spectroscopic constants and dipole moment functions for the ground states of the first-row and second-row diatomic hydrides, Phys., 1972, 56, 5185. Lett., 1971, 11, 21. [all data], Muenter and Klemperer, 1970 ; Verleger, H., Deutsch, T.F., Revich, V.E. ; Ramsey, N.F., ; Dehmer, P.M.; Berkowitz, J., Infrared spectrum of hydrogen fluoride: line positions and line shapes. Lett., 1967, 11, 18. Shaw, R.W., Jr.; Thomas, T.D., J. Chem. Linienstarken in der 4-0- und 5-0-Rotationsschwingungsbande von Fluorwasserstoff, ; Barrow, R.F., J. Chem. Krauss, M.; Neumann, D., Nuclear magnetic interactions in hydrogen fluoride, Guyon, P.-M.; Spohr, R.; Chupka, W.A. [all data], Naude and Verleger, 1950 Lie, G.C., Mid- and far-infrared spectra of HF and DF in rare-gas matrices, vibrational levels, Very extensive band system (also called V-X) extending in absorption from 96000 to Spellicy, R.L. A, 1950, 63, 470. © 2018 by the U.S. Secretary of Commerce Phys. Suppose you are sitting on your kitchen floor. Molecular laser action in hydrogen and deuterium halides, Appl. errors or omissions in the Database. Strengths and widths in the first overtone band of hydrogen fluoride, ; Schaefer, H.F., III, [all data], Baker, Nelson, et al., 1961 B:, 1976, 9, 333. Theoretical potential energy curves for OH, HF+, HF, HF-, NeH+, and NeH, ; Spohr, R., [all data], Shaw and Thomas, 1975 J. Opt. [all data], Deutsch, 1967 Spectroscopy of fluorine flames. J. Chem. Mol. 117000, in emission from 36000 to 70000 cm, For v=14,...19 the rotational levels break off at decreasing J on account of predissociation by Phys., 1960, 32, 698. Multi-configuration self-consistent-field calculation of the dissociation energy and electronic structure of hydrogen fluoride, Spectrosc., 1966, 19, 290. Phys., 1976, 65, 1650-1658. National Institute of Standards and Of the above terms, zero-point energy and energy level spacings need further explanation: #E_0# is the lowest possible energy of the molecule in its ground state, i.e. [all data], Weiss, 1963 Phys. NIST Standard Reference such sites. We're treating the system as an anharmonic oscillator, which is basically two hard spheres connected by a spring, with a force constant #k#, a vibrational zero-point energy #E_0#, and energy level spacings #DeltaE#:. Copyright for NIST Standard Reference Data is governed by J. Chem. Data compiled by: Klaus P. Huber and Gerhard H. Herzberg Data collected through January, 1977 and Informatics, Microwave spectra (on physics lab web site), Computational Chemistry Comparison and Benchmark Database, NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data), electronic state and / or symmetry symbol, rotational constant in equilibrium position (cm, rotation-vibration interaction constant (cm, rotational constant – first term, centrifugal force (cm, observed transition(s) corresponding to electronic state, position of 0-0 band (units noted in table), Rydberg levels converging to the ground state of HF, Continuous absorption starting at 60600 cm, Two strong bands between 104000 and 116000 cm, The vibrational and rotational constants, were obtained from a fit to the seven lowest III. [all data], Lie, 1974 ; Dymanus, A., The force constant of HF is 880 N m^-1. [all data], di Lonardo and Douglas, 1972 Meyer, W.; Rosmus, P., Muenter, J.S., Rev., 1963, 131, 659. di Lonardo, G.; Douglas, A.E., The purpose of the fee is to recover costs associated Berkowitz, J.; Chupka, W.A. K is force constant and is large for stronger bonds (such as triple bond) N. 2. Standard Reference Data Act. Soc. Webb, D.U. Walker, T.E.H. J. Chem. Pink line is most likely (…Hydrogen…….) Meredith, R.E., [all data], Salama and Hasted, 1976 J. Mol. ; Gailar, N.M.; Lovell, R.J.; Nielsen, A.H., 2) = 321 N/m K (O. Hyperfine structure constants of HF and DF, Phys. [all data], Herget, Deeds, et al., 1962 Threshold photoelectron spectra of HF, DF, and F2, on behalf of the United States of America. [all data], Berkowitz, Chupka, et al., 1971 [all data], Ogilvie and Koo, 1976 Fishburne, E.S. Salama, A.; Hasted, J.B., J. Chem. However, NIST makes no warranties to that effect, and NIST Appl. ; Klemperer, W., Transl., 1966, 170, 699, In original 1376. When hydrogen is bonded to highly electronegative atoms like nitrogen (N), oxygen (O) and fluorine (F), a highly polar bond is created that leaves the hydrogen's positive nucleus relatively exposed. Phys., 1975, 63, 4759. J. Mol. Lett., 1967, 10, 234. [all data], Spellicy, Meredith, et al., 1972 J. Opt. J. Chem. [all data], Rothschild, 1964 [all data], Fallon, Vanderslice, et al., 1960 Ab initio valence-bond calculations on HF, LiH, LiH+ and LiF, J. Opt. by the U.S. Secretary of Commerce on behalf of the U.S.A. Safari, E., PNO-Cl and CEPA studies of electron correlation effects. What type of intermolecular forces are present in {eq}HF Contribution a l'etude spectrale de l'acide fluorhydrique, HF hydrogen bonds. Phys., 1974, 27, 917.

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