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Experimental data for C7H7 (cycloheptatrienyl radical)

22 02 02 11 45
Other names
tropylium; cyclohepta-2,4,6-trien-1-ylium;
INChI INChIKey SMILES IUPAC name
InChI=1S/C7H7/c1-2-4-6-7-5-3-1/h1-7H/q+1 OJOSABWCUVCSTQ-UHFFFAOYSA-N C1=CC=CC=C[CH+]1 cyclohepta-2,4,6-trien-1-ylium
State Conformation
1A1' D7H
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
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

Calculated vibrational frequencies for C7H7 (cycloheptatrienyl 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 C7H7 (cycloheptatrienyl radical).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of cycloheptatrienyl radical

Point Group D7h


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 C7H7 (cycloheptatrienyl radical).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
C-C 4
C=C 3
H-C 7

Connectivity
Atom 1 Atom 2
C1 C2
C1 C7
C1 H8
C2 C3
C2 H9
C3 C4
C3 H10
C4 C5
C4 H11
C5 C6
C5 H12
C6 C7
C6 H13
C7 H14
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A1'
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 1A1' D7h True           D7h 0 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 C7H7 (cycloheptatrienyl 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 1A1' D7h True       D7h 0 1

Calculated electric quadrupole moments for C7H7 (cycloheptatrienyl radical).

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