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Experimental data for CCl3 (Trichloromethyl radical)

22 02 02 11 45
Other names
Trichloromethyl; Trichloromethyl radical;
INChI INChIKey SMILES IUPAC name
InChI=1S/CCl3/c2-1(3)4 ZBZJXHCVGLJWFG-UHFFFAOYSA-N Cl[C](Cl)Cl
State Conformation
2A1 C3
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation 71.10 2.50 kJ mol-1 1991Hud/Joh:4400
Hfg(0K) enthalpy of formation 69.90 2.50 kJ mol-1 1991Hud/Joh:4400
Entropy (298.15K) entropy 303.23   J K-1 mol-1 1991Hud/Joh:4400
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 13.96   kJ mol-1 1991Hud/Joh:4400
Heat Capacity (298.15K) heat capacity 63.52   J K-1 mol-1 1991Hud/Joh:4400
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
2 A1 251   webbook      
3 E 898   webbook      

Calculated vibrational frequencies for CCl3 (Trichloromethyl radical).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
       

Calculated rotational constants for CCl3 (Trichloromethyl radical).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of Trichloromethyl radical

Point Group C3v


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for CCl3 (Trichloromethyl radical).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
C-Cl 3

Connectivity
Atom 1 Atom 2
C1 Cl2
C1 Cl3
C1 Cl4
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 2   2A1

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
8.109 0.005     webbook

Electron Affinity (eV)
Electron Affinity unc. reference
2.173 0.097 webbook
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 2A1 C3 True           C3v 1 1
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for CCl3 (Trichloromethyl radical).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 2A1 C3 True       C3v 1 1

Calculated electric quadrupole moments for CCl3 (Trichloromethyl radical).

References
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squib reference DOI
1991Hud/Joh:4400 JW Hudgens, RD Johnson, RS Timonen, JA Seetula, D Gutman "Kinetics of the reaction of CCl3 + Br2 and Thermochemsitry of CCl3 radical and cation" J. Phys. Chem. 1991, 95, 4400-4405 10.1021/j100164a043
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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