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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G*
 hartrees
Energy at 0K-229.576389
Energy at 298.15K-229.583637
HF Energy-228.920476
Nuclear repulsion energy130.426656
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 MP3=FULL/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 3834 3597 0.00      
2 Ag 3075 2885 0.00      
3 Ag 1592 1494 0.00      
4 Ag 1551 1455 0.00      
5 Ag 1343 1260 0.00      
6 Ag 1143 1072 0.00      
7 Ag 1035 971 0.00      
8 Ag 493 462 0.00      
9 Au 3134 2940 104.52      
10 Au 1266 1188 3.04      
11 Au 859 806 3.80      
12 Au 269 253 281.73      
13 Au 137 129 24.80      
14 Bg 3109 2917 0.00      
15 Bg 1345 1262 0.00      
16 Bg 1204 1130 0.00      
17 Bg 265 248 0.00      
18 Bu 3835 3598 55.51      
19 Bu 3079 2889 86.76      
20 Bu 1601 1502 6.26      
21 Bu 1458 1368 15.78      
22 Bu 1234 1158 132.67      
23 Bu 1131 1062 180.86      
24 Bu 304 285 24.47      

Unscaled Zero Point Vibrational Energy (zpe) 19146.9 cm-1
Scaled (by 0.9383) Zero Point Vibrational Energy (zpe) 17965.6 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 MP3=FULL/6-31G*
ABC
1.01389 0.13444 0.12428

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.437 0.618 0.000
C2 -0.437 -0.618 0.000
O3 0.437 -1.735 0.000
O4 -0.437 1.735 0.000
H5 -0.094 -2.541 0.000
H6 0.094 2.541 0.000
H7 -1.083 -0.593 0.889
H8 -1.083 -0.593 -0.889
H9 1.083 0.593 0.889
H10 1.083 0.593 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51342.35221.41853.20291.95372.13692.13691.09891.0989
C21.51341.41852.35221.95373.20291.09891.09892.13692.1369
O32.35221.41853.57770.96564.28932.09832.09832.57412.5741
O41.41852.35223.57774.28930.96562.57412.57412.09832.0983
H53.20291.95370.96564.28935.08532.35812.35813.46383.4638
H61.95373.20294.28930.96565.08533.46383.46382.35812.3581
H72.13691.09892.09832.57412.35813.46381.77802.46913.0426
H82.13691.09892.09832.57412.35813.46381.77803.04262.4691
H91.09892.13692.57412.09833.46382.35812.46913.04261.7780
H101.09892.13692.57412.09833.46382.35813.04262.46911.7780

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 106.651 C1 C2 H7 108.741
C1 C2 H8 108.741 C1 O4 H6 108.564
C2 C1 O4 106.651 C2 C1 H9 108.741
C2 C1 H10 108.741 C2 O3 H5 108.564
O3 C2 H7 112.302 O3 C2 H8 112.302
O4 C1 H9 112.302 O4 C1 H10 112.302
H7 C2 H8 108.002 H9 C1 H10 108.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability