| A |
Calculated from the vapor pressure data reported by the method of least squares |
| B |
Calculated from the sum of the enthalpies of vaporization at temperature T, and fusion at the melting point |
| BE |
Experimental value closest to the results obtained by adding experimental fusion and vaporization enthalpies |
| BG |
Bourdon Gage |
| DBM |
Dibutyl phthalate manometer |
| DM |
Diaphragm manometer |
| E |
Estimated |
| EB |
Ebulliometer |
| EM |
Electronic manometer |
| GS |
Gas saturation, transpiration |
| H |
Heat capacity correction to 298 K calculated according to reference |
| HA |
Heat capacity correction to 298 K evaluated by the authors; see reference for details |
| HP |
Corrected for both heat capacity and solid solid phase transitions occurring between 298 and mean temperature of measurement. Phase transition enthalpies occurring below the mean temperature of measurement have been added to DHs. Solid phase transitions occurring above the mean temperature of measurement have been ignored. |
| HSA |
Head space analysis |
| I |
Isoteniscope |
| IPM |
Inclined piston manometry |
| KG |
Knudsen gage |
| LE |
Langmuir evaporation |
| M |
Mean value |
| ME |
Mass effusion-Knudsen effusion |
| MG |
McLeod gage |
| MM |
Mercury manometer |
| NA |
Information not available |
| QF |
Quartz fiber |
| QR |
Quartz resonator |
| RG |
Rodebush gage |
| T |
Tensimeter |
| TCM |
Thermal conductivity manometer |
| TE |
Torsion effusion |
| TGA |
Thermal gravimetric analysis |
| TSGC |
Temperature scanning gas chromatography |
| Vis |
Viscosity gage |
| VG |
MKS Baratron vacuum gauge |
| A-AH |
Acidity from the enthalpies of formation of the anion and acid |
| Acid |
Enthalpy of formation of the anion from enthalpy of acid dissociation and enthalpy of formation of acid |
| Bran |
Kinetic method, chemically activated |
| Calc |
Value from MO calculation |
| CIDC |
Kinetic method, activated by collision or metastably |
| CIDT |
Collision induced dissociation threshold |
| CIEL |
Charge Inversion Energy Loss Spectroscopy |
| D-EA |
From the thermochemical cycle involving the enthalpy of acidity / A-H bond strength/ electron affinity |
| dEA |
Ion affinity from the difference in the EA from the next lower solvated ion. |
| Defn |
Value is set by definition |
| DH |
Enthalpy of formation of the radical or acid from the other plus bond dissociation energy |
| ECD |
Electron capture detector |
| EFD |
Electric field detachment |
| EIAE |
Electron impact appearance energy |
| Endo |
Translational threshold for endothermic ion / molecule process |
| ES |
Electron swarm |
| Est1 |
Group additivity with an experimental value for the core structure. |
| Est2 |
Estimated as comparable to analogs (all RCO2H bond energies the same, etc.) |
| Est3 |
From an alternate additivity method, such as Liebman's 'macro-chunking' method. |
| Est4 |
Extrapolated or interpolated from a structural series. |
| Est5 |
Estimated based on high-level calculations, that reproduce thermochemistry of other comparable systems well. |
| ETS |
Electron transmission spectroscopy |
| extr |
EA of bare ion extrapolation from the EAs of the multi-solvated series. |
| G+TS |
Enthalpy derived from free energy and entropy |
| GpAd |
Bensonian Group Additivity, usually using NIST Structure & Properties Database. |
| H-TS |
Free energy derived from enthalpy and entropy |
| IMRB |
Ion / molecule reaction bracketing |
| IMRE |
Ion / molecule reaction equilibrium |
| IRPD |
Infrared Photodetachment Spectroscopy |
| Isoe |
Anion entropy from that of the isoelectronic neutral |
| kfkr |
Equilibrium from ratio of forward and back rate constants |
| Kint |
From kinetic data for autodetachment |
| Latt |
Lattice energy |
| LOG |
Laser optogalvanic spectroscopy |
| LPD |
Laser photodetachment |
| LPES |
Laser photoelectron spectroscopy |
| Mobl |
Attachment energetics from mobility of ion in a gas |
| NBAE |
Neutral beam appearance potentials |
| NBIE |
Neutral beam ionization potentials |
| PAC |
Photoacoustic calorimetry |
| PD |
Photodetachment |
| PDis |
Photodissociation |
| PDM |
Photodetachment Microscopy |
| PDPE |
Photodetachment-Photoelectron spectroscopy |
| PDPI |
Laser Photodetachment-Resonant Ionization spectroscopy |
| PEPI |
Photoelectron-Photofragment Coincidence Spectroscopy. |
| R-A |
Electron affinity from the enthalpy of formation of the anion and corresponding neutral |
| R-AH |
Bond Dissociation Energy from the enthalpy of formation of the acid and radical |
| R-DH |
Enthalpy of formation of the acid from its Bond Dissociation Energy and the enthalpy of formation of the radical |
| R-EA |
Anion enthalpy of formation from the electron affinity and radical enthalpy of formation. Corrected to 298K with computational integrated heat capacities, when possible. |
| Rydb |
Threshold for electron transfer from Rydberg state of molecule |
| Scat |
Energetics of complex from scattering of ion beam in neutral gas |
| SDEA |
Bond dissociation energy, from the solution phase D-EA cycle. Usually pKas and E1/2(ox) in DMSO. |
| SEVI |
Slow-electron velocity-map imaging spectroscopy. |
| SI |
Surface ionization / Magnetron method |
| Spec |
Absorption spectrum of gaseous ion above heated MX salt. |
| Stat |
Based on statistical mechanics calculation, esp. loss of internal rotation and symmetry number changes |
| TDAs |
Temperature dependent association ion/molecule reaction |
| TDEq |
Temperature dependent equilibrium ion/molecule reaction |
| Ther |
Calculated from the thermochemical cycle of ion affinity plus enthalpies of formation of the ion and neutral species |
| TIPP |
Threshold Ion Pair Production |
| ZEKE |
Zero electron kinetic energy spectroscopy |
| ZTID |
Zero-pressure thermal radiation induced dissociation |
| CC-RB |
Combustion calorimetry (rotating bomb) |
| CC-SB |
Combustion calorimetry (static bomb) |
| DSC |
Differential scanning calorimetry |
| DTA |
Differential thermal analysis |
| EChem |
Electrochemical methods |
| EIMS |
Electron impact mass spectrometry |
| EqG |
Equilibrium in the gas phase |
| EqS |
Equilibrium in solution |
| EST |
Thermochemical estimate or assessment of literature data |
| FA-SIFT |
Flowing afterglow – selected ion-flow tube |
| HAL-HFC |
Halogenation – heat-flux calorimetry |
| ICR |
Ion cyclotron resonance mass spectrometry |
| KC |
Knudsen cell |
| KC-MS |
Knudsen cell – mass spectrometry |
| KinG |
Kinetics in the gas phase |
| KinS |
Kinetics in solution |
| LPHP |
Laser-powered homogeneous pyrolysis |
| LPS |
Laser photoelectron spectroscopy |
| MBPS |
Molecular beam photofragment spectroscopy |
| PC |
Photocalorimetry |
| PES |
Photoelectron spectroscopy |
| PIMS |
Photoionization mass Spectrometry |
| RSC |
Reaction-Solution Calorimetry (Batch or Titration) |
| TD-HFC |
Thermal Decomposition – Heat-Flux Calorimetry |
| TD-HZC |
Thermal Decomposition – Hot-Zone Calorimetry |
| VLPP |
Very Low Pressure Pyrolysis |
| ATM |
Ion molecule equilibria in the atmosphere |
| CID |
Collision-induced dissociation |
| DT |
Diffusion tube |
| EI |
Electron ionization |
| EmSpec |
Emission spectroscopy |
| ES/HPMS |
Electrospray high pressure mass spectrometry |
| FA |
Flowing afterglow |
| HPMS |
High pressure mass spectrometry |
| ICRCD |
Ion cyclotron resonance collision dissociation |
| IMob |
Ion mobility |
| KERDS |
Cluster dissociation |
| MIKES |
Mass analyzed ion kinetic energy spectroscopy |
| MKER |
Metastable dissociation of cluster ions |
| MPI |
Multiphoton ionization |
| MS |
Mass spectroscopy |
| PD/KERD |
Photodissociation kinetic energy release dynamics |
| PHPMS |
Pulsed high pressure mass spectrometry |
| PI |
Photoionization |
| PIPECO |
Photoion-photoelectron coincidence |
| SAMS |
Stationary afterglow mass spectrometry |
| SCATTERING |
Scattering cross sections |
| SIDT |
Selected ion drift tube |
| SIFT |
Selected ion flowing afterflow |
| TPEPICO |
Threshold phototelectron-photoion |