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

using model chemistry: MP3=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 MP3=FULL/6-31+G**
 hartrees
Energy at 0K-229.655474
Energy at 298.15K-229.662537
HF Energy-228.951134
Nuclear repulsion energy130.485051
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/6-31+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 3968 3696 0.00      
2 Ag 3117 2904 0.00      
3 Ag 1586 1478 0.00      
4 Ag 1537 1432 0.00      
5 Ag 1317 1227 0.00      
6 Ag 1131 1054 0.00      
7 Ag 1022 953 0.00      
8 Ag 490 457 0.00      
9 Au 3183 2965 81.27      
10 Au 1262 1176 2.77      
11 Au 853 795 2.87      
12 Au 226 211 243.29      
13 Au 110 102 70.43      
14 Bg 3158 2942 0.00      
15 Bg 1340 1248 0.00      
16 Bg 1197 1115 0.00      
17 Bg 205 191 0.00      
18 Bu 3968 3697 80.06      
19 Bu 3121 2907 93.56      
20 Bu 1594 1485 6.38      
21 Bu 1440 1341 7.00      
22 Bu 1210 1127 117.39      
23 Bu 1115 1039 201.23      
24 Bu 304 283 24.93      

Unscaled Zero Point Vibrational Energy (zpe) 19227.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 17911.8 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/6-31+G**
ABC
1.02019 0.13404 0.12400

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.436 0.619 0.000
C2 -0.436 -0.619 0.000
O3 0.436 -1.739 0.000
O4 -0.436 1.739 0.000
H5 -0.079 -2.548 0.000
H6 0.079 2.548 0.000
H7 -1.075 -0.602 0.886
H8 -1.075 -0.602 -0.886
H9 1.075 0.602 0.886
H10 1.075 0.602 -0.886

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51402.35841.41983.20861.96202.13482.13481.09241.0924
C21.51401.41982.35841.96203.20861.09241.09242.13482.1348
O32.35841.41983.58650.95854.30252.08872.08872.58332.5833
O41.41982.35843.58654.30250.95852.58332.58332.08872.0887
H53.20861.96200.95854.30255.09872.35932.35933.46943.4694
H61.96203.20864.30250.95855.09873.46943.46942.35932.3593
H72.13481.09242.08872.58332.35933.46941.77102.46433.0347
H82.13481.09242.08872.58332.35933.46941.77103.03472.4643
H91.09242.13482.58332.08873.46942.35932.46433.03471.7710
H101.09242.13482.58332.08873.46942.35933.03472.46431.7710

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 106.958 C1 C2 H7 108.910
C1 C2 H8 108.910 C1 O4 H6 109.642
C2 C1 O4 106.958 C2 C1 H9 108.910
C2 C1 H10 108.910 C2 O3 H5 109.642
O3 C2 H7 111.837 O3 C2 H8 111.837
O4 C1 H9 111.837 O4 C1 H10 111.837
H7 C2 H8 108.316 H9 C1 H10 108.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability