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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-229.562173
Energy at 298.15K-229.569379
HF Energy-228.920383
Nuclear repulsion energy130.332287
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 MP3/6-31G*
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 3839 3603 0.00      
2 Ag 3076 2887 0.00      
3 Ag 1591 1493 0.00      
4 Ag 1549 1454 0.00      
5 Ag 1341 1258 0.00      
6 Ag 1139 1069 0.00      
7 Ag 1034 970 0.00      
8 Ag 492 461 0.00      
9 Au 3135 2943 104.18      
10 Au 1264 1186 3.04      
11 Au 858 805 3.73      
12 Au 255 239 278.30      
13 Au 137 128 27.69      
14 Bg 3110 2919 0.00      
15 Bg 1342 1260 0.00      
16 Bg 1203 1129 0.00      
17 Bg 251 235 0.00      
18 Bu 3839 3604 55.13      
19 Bu 3080 2891 86.19      
20 Bu 1600 1502 6.18      
21 Bu 1456 1367 15.84      
22 Bu 1231 1156 131.20      
23 Bu 1128 1058 181.27      
24 Bu 303 284 24.61      

Unscaled Zero Point Vibrational Energy (zpe) 19125.7 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 17951.3 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 MP3/6-31G*
ABC
1.01175 0.13425 0.12409

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.438 0.617 0.000
C2 -0.438 -0.617 0.000
O3 0.438 -1.739 0.000
O4 -0.438 1.739 0.000
H5 -0.102 -2.541 0.000
H6 0.102 2.541 0.000
H7 -1.082 -0.601 0.890
H8 -1.082 -0.601 -0.890
H9 1.082 0.601 0.890
H10 1.082 0.601 -0.890

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51452.35621.42363.20401.95252.14222.14221.09811.0981
C21.51451.42362.35621.95253.20401.09811.09812.14222.1422
O32.35621.42363.58650.96704.29272.09702.09702.58502.5850
O41.42362.35623.58654.29270.96702.58502.58502.09702.0970
H53.20401.95250.96704.29275.08552.34792.34793.47373.4737
H61.95253.20404.29270.96705.08553.47373.47372.34792.3479
H72.14221.09812.09702.58502.34793.47371.77912.47623.0490
H82.14221.09812.09702.58502.34793.47371.77913.04902.4762
H91.09812.14222.58502.09703.47372.34792.47623.04901.7791
H101.09812.14222.58502.09703.47372.34793.04902.47621.7791

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 106.592 C1 C2 H7 109.123
C1 C2 H8 109.123 C1 O4 H6 107.993
C2 C1 O4 106.592 C2 C1 H9 109.123
C2 C1 H10 109.123 C2 O3 H5 107.993
O3 C2 H7 111.872 O3 C2 H8 111.872
O4 C1 H9 111.872 O4 C1 H10 111.872
H7 C2 H8 108.199 H9 C1 H10 108.199
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability