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Experimental data for C4H10O2 (1,4-Butanediol)

22 02 02 11 45
Other names
1,4-BD; 1,4-Butanediol; 1,4-Butylene glycol; 1,4-Dihydroxybutane; 1,4-Tetramethylene glycol; Butane-1,4-diol; Butanediol; Diol 14B; Sucol B; Tetramethylene 1,4-diol; Tetramethylene glycol;
INChI INChIKey SMILES IUPAC name
InChI=1S/C4H10O2/c5-3-1-2-4-6/h5-6H,1-4H2 WERYXYBDKMZEQL-UHFFFAOYSA-N OCCCCO Butane-1,4-diol
State Conformation
1Ag C2H
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 -426.77 2.51 kJ mol-1 webbook
Hfg(0K) enthalpy of formation   2.51 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 C4H10O2 (1,4-Butanediol).
Gas-phase IR spectra can be found in the NIST Chemistry Webbook here.
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 C4H10O2 (1,4-Butanediol).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of 1,4-Butanediol

Point Group C2h


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 C4H10O2 (1,4-Butanediol).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-C 8
H-O 2
C-C 3
C-O 2

Connectivity
Atom 1 Atom 2
O1 C3
O1 H7
O2 C4
O2 H8
C3 C5
C3 H15
C3 H16
C4 C6
C4 H13
C4 H14
C5 C6
C5 H9
C5 H10
C6 H11
C6 H12
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1Ag
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 C2h True           C2h 0 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 C4H10O2 (1,4-Butanediol).
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 C2h True       C2h 0 3

Calculated electric quadrupole moments for C4H10O2 (1,4-Butanediol).

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

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