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Experimental data for C7H16 (3-methylhexane)

22 02 02 11 45
Other names
Hexane, 3-methyl-; 2-Ethylpentane; 3-methylhexane;
INChI INChIKey SMILES IUPAC name
InChI=1S/C7H16/c1-4-6-7(3)5-2/h7H,4-6H2,1-3H3 VLJXXKKOSFGPHI-UHFFFAOYSA-N CC[C@H](C)CCC 3-methylhexane
State Conformation
1A C1
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 -192.30 1.30 kJ mol-1 webbook
Hfg(0K) enthalpy of formation   1.30 kJ 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 C7H16 (3-methylhexane).
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 C7H16 (3-methylhexane).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of 3-methylhexane

Point Group C1


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 C7H16 (3-methylhexane).

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
H-C 16

Connectivity
Atom 1 Atom 2
C1 H2
C1 C3
C1 C4
C1 C5
C3 H9
C3 H10
C3 H11
C4 C6
C4 H12
C4 H13
C5 C7
C5 H14
C5 H15
C6 H16
C6 H17
C6 H18
C7 C8
C7 H19
C7 H20
C8 H21
C8 H22
C8 H23
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A
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 C1 True           C1 3 5
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 C7H16 (3-methylhexane).
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 C1 True       C1 3 5

Calculated electric quadrupole moments for C7H16 (3-methylhexane). An error occurred on the server when processing the URL. Please contact the system administrator.

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