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Experimental data for C16H10 (Pyrene)

22 02 02 11 45
INChI INChIKey SMILES IUPAC name
InChI=1S/C16H10/c1-3-11-7-9-13-5-2-6-14-10-8-12(4-1)15(11)16(13)14/h1-10H BBEAQIROQSPTKN-UHFFFAOYSA-N C1(C=CC2=CC=C3)=CC=CC4=CC=C3C2=C14
State Conformation
1Ag D2H
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 225.50 2.50 kJ mol-1 webbook
Hfg(0K) enthalpy of formation   2.50 kJ mol-1 webbook
Heat Capacity (298.15K) heat capacity 204.20 1.00 J K-1 mol-1 webbook
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 C16H10 (Pyrene).
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 C16H10 (Pyrene).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of Pyrene

Point Group D2h


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 C16H10 (Pyrene).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
C:C 19
H-C 10

Connectivity
Atom 1 Atom 2
C1 C2
C1 C3
C1 C4
C2 C5
C2 C6
C3 C7
C3 C11
C4 C8
C4 C12
C5 C9
C5 C13
C6 C10
C6 C14
C7 C15
C7 H21
C8 C15
C8 H22
C9 C16
C9 H23
C10 C16
C10 H24
C11 C14
C11 H17
C12 C13
C12 H18
C13 H19
C14 H20
C15 H25
C16 H26
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1Ag

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
7.426 0.001     webbook

Electron Affinity (eV)
Electron Affinity unc. reference
0.500 0.030 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 1Ag D2h True           D2h 0 2
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 C16H10 (Pyrene).
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 1Ag D2h True       D2h 0 2

Calculated electric quadrupole moments for C16H10 (Pyrene).
Electric dipole polarizability (Å3) polarizability
alpha unc. Reference
29.720   1998Gus/Rui:163

Calculated electric dipole polarizability for C16H10 (Pyrene).

References
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squib reference DOI
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
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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