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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-229.252659
Energy at 298.15K-229.259791
HF Energy-228.824978
Nuclear repulsion energy127.967357
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 MP2/6-31G
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 3666 3508 0.00      
2 Ag 3063 2931 0.00      
3 Ag 1596 1527 0.00      
4 Ag 1514 1449 0.00      
5 Ag 1306 1250 0.00      
6 Ag 1035 991 0.00      
7 Ag 998 955 0.00      
8 Ag 470 449 0.00      
9 Au 3133 2997 103.40      
10 Au 1227 1174 2.96      
11 Au 868 830 2.25      
12 Au 260 249 366.67      
13 Au 131 125 30.51      
14 Bg 3107 2973 0.00      
15 Bg 1347 1288 0.00      
16 Bg 1172 1121 0.00      
17 Bg 247 237 0.00      
18 Bu 3668 3510 21.37      
19 Bu 3068 2935 70.61      
20 Bu 1607 1537 3.65      
21 Bu 1436 1374 5.20      
22 Bu 1210 1157 107.52      
23 Bu 992 949 169.50      
24 Bu 292 280 32.04      

Unscaled Zero Point Vibrational Energy (zpe) 18705.1 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 17897.0 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 MP2/6-31G
ABC
0.97938 0.12944 0.11955

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.761 0.000
C2 0.000 -0.761 0.000
O3 1.421 -1.154 0.000
O4 -1.421 1.154 0.000
H5 1.506 -2.128 0.000
H6 -1.506 2.128 0.000
H7 -0.520 -1.133 0.894
H8 -0.520 -1.133 -0.894
H9 0.520 1.133 0.894
H10 0.520 1.133 -0.894

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52212.38421.47403.25812.03392.15812.15811.09921.0992
C21.52211.47402.38422.03393.25811.09921.09922.15812.1581
O32.38421.47403.66020.97834.39722.13702.13702.61512.6151
O41.47402.38423.66024.39720.97832.61512.61512.13702.1370
H53.25812.03390.97834.39725.21422.42792.42793.52233.5223
H62.03393.25814.39720.97835.21423.52233.52232.42792.4279
H72.15811.09922.13702.61512.42793.52231.78802.49343.0683
H82.15811.09922.13702.61512.42793.52231.78803.06832.4934
H91.09922.15812.61512.13703.52232.42792.49343.06831.7880
H101.09922.15812.61512.13703.52232.42793.06832.49341.7880

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 105.444 C1 C2 H7 109.779
C1 C2 H8 109.779 C1 O4 H6 110.437
C2 C1 O4 105.444 C2 C1 H9 109.779
C2 C1 H10 109.779 C2 O3 H5 110.437
O3 C2 H7 111.472 O3 C2 H8 111.472
O4 C1 H9 111.472 O4 C1 H10 111.472
H7 C2 H8 108.848 H9 C1 H10 108.848
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability