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

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-228.999279
Energy at 298.15K-229.006686
Nuclear repulsion energy131.666548
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 HF/6-311G**
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 4194 3811 0.00      
2 Ag 3158 2869 0.00      
3 Ag 1655 1504 0.00      
4 Ag 1631 1482 0.00      
5 Ag 1401 1273 0.00      
6 Ag 1197 1088 0.00      
7 Ag 1063 966 0.00      
8 Ag 517 470 0.00      
9 Au 3210 2916 147.67      
10 Au 1346 1222 6.03      
11 Au 903 820 4.99      
12 Au 274 249 286.76      
13 Au 151 138 20.95      
14 Bg 3179 2888 0.00      
15 Bg 1420 1290 0.00      
16 Bg 1266 1150 0.00      
17 Bg 267 242 0.00      
18 Bu 4194 3810 124.07      
19 Bu 3160 2871 127.84      
20 Bu 1662 1510 6.75      
21 Bu 1538 1397 11.64      
22 Bu 1289 1171 204.01      
23 Bu 1188 1080 196.17      
24 Bu 320 291 23.62      

Unscaled Zero Point Vibrational Energy (zpe) 20092.5 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 18254.1 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 HF/6-311G**
ABC
1.04221 0.13584 0.12579

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.431 0.621 0.000
C2 -0.431 -0.621 0.000
O3 0.431 -1.727 0.000
O4 -0.431 1.727 0.000
H5 -0.072 -2.521 0.000
H6 0.072 2.521 0.000
H7 -1.068 -0.613 0.881
H8 -1.068 -0.613 -0.881
H9 1.068 0.613 0.881
H10 1.068 0.613 -0.881

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51122.34821.40223.18161.93352.13192.13191.08761.0876
C21.51121.40222.34821.93353.18161.08761.08762.13192.1319
O32.34821.40223.56040.93934.26322.06522.06522.58052.5805
O41.40222.34823.56044.26320.93932.58052.58052.06522.0652
H53.18161.93350.93934.26325.04362.32572.32573.44913.4491
H61.93353.18164.26320.93935.04363.44913.44912.32572.3257
H72.13191.08762.06522.58052.32573.44911.76222.46303.0285
H82.13191.08762.06522.58052.32573.44911.76223.02852.4630
H91.08762.13192.58052.06523.44912.32572.46303.02851.7622
H101.08762.13192.58052.06523.44912.32573.02852.46301.7622

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 107.353 C1 C2 H7 109.150
C1 C2 H8 109.150 C1 O4 H6 109.741
C2 C1 O4 107.353 C2 C1 H9 109.150
C2 C1 H10 109.150 C2 O3 H5 109.741
O3 C2 H7 111.464 O3 C2 H8 111.464
O4 C1 H9 111.464 O4 C1 H10 111.464
H7 C2 H8 108.218 H9 C1 H10 108.218
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.084      
2 C 0.084      
3 O -0.486      
4 O -0.486      
5 H 0.252      
6 H 0.252      
7 H 0.075      
8 H 0.075      
9 H 0.075      
10 H 0.075      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.384 6.597 0.000
y 6.597 -18.564 0.000
z 0.000 0.000 -25.034
Traceless
 xyz
x -4.585 6.597 0.000
y 6.597 7.145 0.000
z 0.000 0.000 -2.560
Polar
3z2-r2-5.121
x2-y2-7.820
xy6.597
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.168 0.098 0.000
y 0.098 4.932 0.000
z 0.000 0.000 3.737


<r2> (average value of r2) Å2
<r2> 94.018
(<r2>)1/2 9.696