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All results from a given calculation for C2H6O2 (1,2-Ethanediol)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-229.961071
Energy at 298.15K-229.968104
HF Energy-229.961071
Nuclear repulsion energy129.581851
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3659 3599 0.00      
2 Ag 2918 2870 0.00      
3 Ag 1506 1481 0.00      
4 Ag 1461 1437 0.00      
5 Ag 1278 1256 0.00      
6 Ag 1072 1054 0.00      
7 Ag 975 959 0.00      
8 Ag 470 462 0.00      
9 Au 2970 2921 134.73      
10 Au 1192 1172 0.88      
11 Au 819 806 2.62      
12 Au 248 244 240.05      
13 Au 119 117 26.44      
14 Bg 2941 2892 0.00      
15 Bg 1273 1252 0.00      
16 Bg 1137 1118 0.00      
17 Bg 238 234 0.00      
18 Bu 3660 3600 25.00      
19 Bu 2924 2875 123.29      
20 Bu 1517 1492 7.31      
21 Bu 1387 1364 10.71      
22 Bu 1178 1159 80.32      
23 Bu 1060 1043 212.90      
24 Bu 285 280 19.17      

Unscaled Zero Point Vibrational Energy (zpe) 18143.4 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 17844.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBEultrafine/6-31G*
ABC
1.00065 0.13272 0.12270

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.438 0.623 0.000
C2 -0.438 -0.623 0.000
O3 0.438 -1.748 0.000
O4 -0.438 1.748 0.000
H5 -0.122 -2.547 0.000
H6 0.122 2.547 0.000
H7 -1.093 -0.597 0.896
H8 -1.093 -0.597 -0.896
H9 1.093 0.597 0.896
H10 1.093 0.597 -0.896

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52372.37151.42673.21931.94992.15352.15351.11031.1103
C21.52371.42672.37151.94993.21931.11031.11032.15352.1535
O32.37151.42673.60520.97564.30722.11572.11572.59462.5946
O41.42672.37153.60524.30720.97562.59462.59462.11572.1157
H53.21931.94990.97564.30725.10002.35602.35603.48763.4876
H61.94993.21934.30720.97565.10003.48763.48762.35602.3560
H72.15351.11032.11572.59462.35603.48761.79222.49143.0691
H82.15351.11032.11572.59462.35603.48761.79223.06912.4914
H91.11032.15352.59462.11573.48762.35602.49143.06911.7922
H101.11032.15352.59462.11573.48762.35603.06912.49141.7922

picture of 1,2-Ethanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 106.942 C1 C2 H7 108.669
C1 C2 H8 108.669 C1 O4 H6 107.018
C2 C1 O4 106.942 C2 C1 H9 108.669
C2 C1 H10 108.669 C2 O3 H5 107.018
O3 C2 H7 112.415 O3 C2 H8 112.415
O4 C1 H9 112.415 O4 C1 H10 112.415
H7 C2 H8 107.624 H9 C1 H10 107.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.090      
2 C -0.090      
3 O -0.588      
4 O -0.588      
5 H 0.392      
6 H 0.392      
7 H 0.143      
8 H 0.143      
9 H 0.143      
10 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.082 6.155 0.000
y 6.155 -18.018 0.000
z 0.000 0.000 -25.245
Traceless
 xyz
x -4.450 6.155 0.000
y 6.155 7.645 0.000
z 0.000 0.000 -3.195
Polar
3z2-r2-6.390
x2-y2-8.064
xy6.155
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.395 0.085 0.000
y 0.085 5.381 0.000
z 0.000 0.000 3.823


<r2> (average value of r2) Å2
<r2> 95.897
(<r2>)1/2 9.793