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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-229.481897
Energy at 298.15K-229.489186
HF Energy-228.921675
Nuclear repulsion energy130.982703
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 CID/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 3950 3649 0.00      
2 Ag 3139 2899 0.00      
3 Ag 1625 1501 0.00      
4 Ag 1587 1466 0.00      
5 Ag 1366 1262 0.00      
6 Ag 1172 1082 0.00      
7 Ag 1052 972 0.00      
8 Ag 503 465 0.00      
9 Au 3197 2953 113.65      
10 Au 1298 1199 3.90      
11 Au 875 808 4.23      
12 Au 265 245 291.22      
13 Au 143 132 26.38      
14 Bg 3171 2929 0.00      
15 Bg 1376 1271 0.00      
16 Bg 1232 1138 0.00      
17 Bg 260 240 0.00      
18 Bu 3949 3648 77.47      
19 Bu 3141 2901 94.33      
20 Bu 1634 1509 7.19      
21 Bu 1491 1377 15.64      
22 Bu 1254 1158 152.06      
23 Bu 1162 1073 192.48      
24 Bu 310 286 24.87      

Unscaled Zero Point Vibrational Energy (zpe) 19574.3 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 18080.7 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 CID/6-31G*
ABC
1.02451 0.13535 0.12516

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

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 1.354 -1.163 0.000
O4 -1.354 1.163 0.000
H5 1.386 -2.122 0.000
H6 -1.386 2.122 0.000
H7 -0.532 -1.114 0.885
H8 -0.532 -1.114 -0.885
H9 0.532 1.114 0.885
H10 0.532 1.114 -0.885

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51002.34791.41413.19361.94672.13472.13471.09261.0926
C21.51001.41412.34791.94673.19361.09261.09262.13472.1347
O32.34791.41413.56990.95974.27782.08342.08342.57732.5773
O41.41412.34793.56994.27780.95972.57732.57732.08342.0834
H53.19361.94670.95974.27785.06922.34012.34013.46173.4617
H61.94673.19364.27780.95975.06923.46173.46172.34012.3401
H72.13471.09262.08342.57732.34013.46171.76932.46803.0366
H82.13471.09262.08342.57732.34013.46171.76933.03662.4680
H91.09262.13472.57732.08343.46172.34012.46803.03661.7693
H101.09262.13472.57732.08343.46172.34013.03662.46801.7693

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 106.775 C1 C2 H7 109.158
C1 C2 H8 109.158 C1 O4 H6 108.662
C2 C1 O4 106.775 C2 C1 H9 109.158
C2 C1 H10 109.158 C2 O3 H5 108.662
O3 C2 H7 111.787 O3 C2 H8 111.787
O4 C1 H9 111.787 O4 C1 H10 111.787
H7 C2 H8 108.125 H9 C1 H10 108.125
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability