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

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-229.631742
Energy at 298.15K-229.638695
HF Energy-228.950334
Nuclear repulsion energy130.339474
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 MP2=FULL/6-31+G**
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 3897 3660 0.00      
2 Ag 3111 2922 0.00      
3 Ag 1576 1480 0.00      
4 Ag 1514 1422 0.00      
5 Ag 1294 1216 0.00      
6 Ag 1101 1034 0.00      
7 Ag 1016 954 0.00      
8 Ag 486 456 0.00      
9 Au 3187 2994 69.66      
10 Au 1246 1171 1.52      
11 Au 852 801 2.24      
12 Au 210 198 213.71      
13 Au 96 90 101.08      
14 Bg 3163 2971 0.00      
15 Bg 1331 1250 0.00      
16 Bg 1186 1114 0.00      
17 Bg 180 169 0.00      
18 Bu 3898 3661 84.97      
19 Bu 3116 2926 90.36      
20 Bu 1583 1487 6.08      
21 Bu 1418 1331 4.82      
22 Bu 1189 1117 90.09      
23 Bu 1081 1016 222.68      
24 Bu 299 281 25.33      

Unscaled Zero Point Vibrational Energy (zpe) 19015.8 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 17859.6 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 MP2=FULL/6-31+G**
ABC
1.01438 0.13413 0.12401

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.755 0.000
C2 0.000 -0.755 0.000
O3 1.372 -1.157 0.000
O4 -1.372 1.157 0.000
H5 1.413 -2.120 0.000
H6 -1.413 2.120 0.000
H7 -0.522 -1.117 0.888
H8 -0.522 -1.117 -0.888
H9 0.522 1.117 0.888
H10 0.522 1.117 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51002.35331.43003.20321.96442.13662.13661.09161.0916
C21.51001.43002.35331.96443.20321.09161.09162.13662.1366
O32.35331.43003.58960.96414.30032.09222.09222.58492.5849
O41.43002.35333.58964.30030.96412.58492.58492.09222.0922
H53.20321.96440.96414.30035.09502.35292.35293.47273.4727
H61.96443.20324.30030.96415.09503.47273.47272.35292.3529
H72.13661.09162.09222.58492.35293.47271.77592.46563.0385
H82.13661.09162.09222.58492.35293.47271.77593.03852.4656
H91.09162.13662.58492.09223.47272.35292.46563.03851.7759
H101.09162.13662.58492.09223.47272.35293.03852.46561.7759

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 106.308 C1 C2 H7 109.369
C1 C2 H8 109.369 C1 O4 H6 108.711
C2 C1 O4 106.308 C2 C1 H9 109.369
C2 C1 H10 109.369 C2 O3 H5 108.711
O3 C2 H7 111.435 O3 C2 H8 111.435
O4 C1 H9 111.435 O4 C1 H10 111.435
H7 C2 H8 108.870 H9 C1 H10 108.870
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability