return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Experimental > One molecule all properties

Experimental data for C6H5OCH3 (Anisole)

22 02 02 11 45
Other names
Methyl phenyl ether; Ether, methyl phenyl-; Phenyl methyl ether; Anizol; Anisol; Phenoxymethane; methoxybenzene; Benzene, methoxy-; anisole;
INChI INChIKey SMILES IUPAC name
InChI=1S/C7H8O/c1-8-7-5-3-2-4-6-7/h2-6H,1H3 RDOXTESZEPMUJZ-UHFFFAOYSA-N COC1=CC=CC=C1 anisole
State Conformation
1A' CS
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 -76.69 0.92 kJ mol-1 webbook
Hfg(0K) enthalpy of formation   0.92 kJ mol-1 webbook
Entropy (298.15K) entropy     J K-1 mol-1  
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity     kJ mol-1  
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 C6H5OCH3 (Anisole).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.16774 0.05235 0.04022 2005Des/Psz:1708

Calculated rotational constants for C6H5OCH3 (Anisole).
Product of moments of inertia moments of inertia
1.356361E+07amu3Å6   6.2107394987892E-113gm3 cm6
Geometric Data
picture of Anisole

Point Group Cs


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
rCO 1.399   1 7 1992Kuchitsu(II/21) r0
rCO 1.433   7 8 1992Kuchitsu(II/21) r0
aCOC 113.8 1 7 8 1992Kuchitsu(II/21)

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for C6H5OCH3 (Anisole).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
C:C 6
C-O 2
H-C 8

Connectivity
Atom 1 Atom 2
C1 C2
C1 C6
C1 O7
C2 C3
C2 H9
C3 C4
C3 H10
C4 C5
C4 H11
C5 C6
C5 H12
C6 H13
O7 C8
C8 H14
C8 H15
C8 H16
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A'

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
8.200 0.050     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 1A' Cs True 0.694 1.055   1.262 2005Des/Psz:1708 x=a, y=b Cs 2 3
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 C6H5OCH3 (Anisole).
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 1A' Cs True       Cs 2 3

Calculated electric quadrupole moments for C6H5OCH3 (Anisole).
Electric dipole polarizability (Å3) polarizability
alpha unc. Reference
13.100   1998Gus/Rui:163

Calculated electric dipole polarizability for C6H5OCH3 (Anisole).

References
By selecting the following links, you may be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to cccbdb@nist.gov.
squib reference DOI
1992Kuchitsu(II/21) Kuchitsu (ed.), Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 21: Structure Data of Free Polyatomic Molecules. Springer-Verlag, Berlin, 1992.  
1998Gus/Rui:163 M Gussoni, R Rui, G Zerbi "Electronic and relaxation contribution to linear molecular polarizability. An analysis of the experimental values" J. Mol. Struct. 447 (1998) 163-215 10.1016/S0022-2860(97)00292-5
2005Des/Psz:1708 O Desyatnyk, L Pszczolkowski, S Thorwirth, TM Krygowski, Z Kisiel "The rotational spectra, electric dipole moments and molecular structures of anisole and benzaldehyde" Phys. Chem. Chem. Phys. 7(8) 1708-1715, 2005 10.1039/b501041a
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

Got a better number? Please email us at cccbdb@nist.gov


Browse
PreviousNext