氯化钠

sodium chloride∙Formula: ClNa∙Molecular weight: 58.443∙IUPAC Standard InChI:o InChI=1S/ClH.Na/h1H;/q;+1/p-1o Download the identifier in a file.∙IUPAC Standard InChIKey: FAPWRFPIFSIZLT-UHFFFAOYSA-M∙CAS Registry Number: 7647-14-5∙Chemical structure:This structure is also available as a 2d Mol file .∙Other names: Salt∙Permanent link for this species. Use this link for bookmarking this species for future reference.∙Information on this page:o Gas phase thermochemistry datao Condensed phase thermochemistry datao Phase change datao Gas phase ion energetics datao Referenceso Notes / Error Report∙Other data available:o Reaction thermochemistry datao Ion clustering datao THz IR spectrumo Constants of diatomic molecules∙Data at other public NIST sites:o Microwave spectra (on physics lab web site)o Computational Chemistry Comparison and Benchmark Databaseo Gas Phase Kinetics Databaseo X-ray Photoelectron Spectroscopy Database, version 3.5∙Options:o Switch to calorie-based unitsData at NIST subscription sites:∙NIST X-ray Photoelectron Spectroscopy Database, version 4.0NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.Gas phase thermochemistry dataGo To:Top, Condensed phase thermochemistry data, Phase change data, Gas phaseion energetics data, References, Notes / Error ReportData compilation copyright by the U.S. Secretary of Commerce on behalf of theU.S.A. All rights reserved.Gas Phase Heat Capacity (Shomate Equation)C p° = A + B*t + C*t2 + D*t3 + E/t2H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − HS° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + GC p = heat capacity (J/mol*K)H° = standard enthalpy (kJ/mol)S° = standard entropy (J/mol*K)t = temperature (K) / 1000.View plot Requires a Java capable browser.View table.Condensed phase thermochemistry dataGo To:Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, References, Notes / Error ReportData compilation copyright by the U.S. Secretary of Commerce on behalf of theU.S.A. All rights reserved.Liquid Phase Heat Capacity (Shomate Equation)C p° = A + B*t + C*t2 + D*t3 + E/t2H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + GC p = heat capacity (J/mol*K)H° = standard enthalpy (kJ/mol)S° = standard entropy (J/mol*K)t = temperature (K) / 1000.View plot Requires a Java capable browser.View table.Solid Phase Heat Capacity (Shomate Equation)C p° = A + B*t + C*t2 + D*t3 + E/t2H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + GC p = heat capacity (J/mol*K)H° = standard enthalpy (kJ/mol)S° = standard entropy (J/mol*K)t = temperature (K) / 1000.View plot Requires a Java capable browser.View table.Phase change dataGo To:Top, Gas phase thermochemistry data, Condensed phase thermochemistrydata, Gas phase ion energetics data, References, Notes / Error ReportData compilation copyright by the U.S. Secretary of Commerce on behalf of theU.S.A. All rights reserved.Antoine Equation Parameterslog10(P) = A − (B / (T + C))P = vapor pressure (bar)T = temperature (K)View plot Requires a Java capable browser.Gas phase ion energetics dataGo To:Top, Gas phase thermochemistry data, Condensed phase thermochemistrydata, Phase change data, References, Notes / Error ReportData compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.Data compiled as indicated in comments:LBLHLM - S.G. Lias, J.E. Bartmess, J.F. Liebman, J.L. Holmes, R.D. Levin, andW.G. MallardLLK - S.G. Lias, R.D. Levin, and S.A. KafafiRDSH - H.M. Rosenstock, K. Draxl, B.W. Steiner, and J.T. HerronB - J.E. BartmessElectron affinity determinationsIonization energy determinationsAppearance energy determinationsReferencesGo To:Top, Gas phase thermochemistry data, Condensed phase thermochemistrydata, Phase change data, Gas phase ion energetics data, Notes / Error ReportData compilation copyright by the U.S. Secretary of Commerce on behalf of theU.S.A. All rights reserved.Chase, 1998Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]Ewing and Stern, 1974Ewing, C.T.; Stern, K.H., Equilibrium Vaporization Rates and Vapor Pressures of Solid and Liquid Sodium Chloride, Potassium Chloride, Potassium Bromide, Cesium Iodide, and Lithium Fluoride, J. Phys. Chem., 1974, 78, 20, 1998-2005. [all data]Stull, 1947Stull, D.R., Vapor Pressure of Pure Substances Organic Compounds, Ind. Eng. Chem., 1947, 39, 517-540. [all data]Miller, Leopold, et al., 1986Miller, T.M.; Leopold, D.G.; Murray, K.K.; Lineberger, W.C., Electron Affinities of the Alkali Halides and the Structure of their Negative Ions, J. Chem. Phys., 1986, 85, 2368. [all data]De Vreugd, Wijnaendts van Resandt, et al., 1979De Vreugd, C.; Wijnaendts van Resandt, R.W.; Los, J.; Smith, B., Differential Cross Sections for Collisions of Negative Halogen Ions and Alkali Atoms, Chem. Phys., 1979, 42, 305. [all data]Ebinghaus, 1964Ebinghaus, H.Z., Negative Ionen aus Alkalihalogeniden und Electronenaffinitaten der Alkalimetalle und Alkalihalogenide, Z. Naturfor., 1964, 19A, 727. [all data]Williams, 1982Williams, D.J., Mass spectrometric study of the vaporization of the alkali chloride-cuprous chloride systems, Aust. J. Chem., 1982, 35, 1531. [all data]Itoh, Sasamoto, et al., 1981Itoh, M.; Sasamoto, T.; Sata, T., Mass-spectrometric measurement ofactivities in both solid and liquid solutions of the KCl-NaCl system, Bull. Chem. Soc. Jpn., 1981, 54, 3391. [all data]Potts, Williams, et al., 1974Potts, A.W.; Williams, T.A.; Price, W.C., Photoelectron spectra and electronic structure of diatomic alkali halides, Proc. Roy. Soc. London A, 1974, 341, 147. [all data]Berkowitz and Chupka, 1966Berkowitz, J.; Chupka, W.A., Photoionization of high-temperature vapors.I. The iodides of sodium, magnesium, and thallium, J. Chem. Phys., 1966, 45, 1287. [all data]Potts and Price, 1977Potts, A.W.; Price, W.C., Photoelectron studies of ionic materials using molecular beam techniques, Phys. Scr., 1977, 16, 191. [all data]Goodman, Allen, et al., 1974Goodman, T.D.; Allen, J.D., Jr.; Cusachs, L.C.; Schweitzer, G.K., The photoelectron spectra of gaseous alkali halides, J. Electron Spectrosc. Relat. Phenom., 1974, 3, 289. [all data]Bloom, Hastie, et al., 1968Bloom, H.; Hastie, J.W.; Morrison, J.D., Ionization and dissociation of the alkali halides by electron impact, J. Phys. Chem., 1968, 72, 3041. [all data]。