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

using model chemistry: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-228.897973
Energy at 298.15K-228.905196
HF Energy-228.897973
Nuclear repulsion energy129.202177
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 wB97X-D/3-21G*
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 3630 3440 0.00      
2 Ag 3046 2887 0.00      
3 Ag 1597 1514 0.00      
4 Ag 1513 1434 0.00      
5 Ag 1324 1255 0.00      
6 Ag 1064 1009 0.00      
7 Ag 1001 949 0.00      
8 Ag 472 447 0.00      
9 Au 3105 2943 117.52      
10 Au 1241 1176 0.73      
11 Au 890 843 2.20      
12 Au 283 268 337.51      
13 Au 140 133 10.06      
14 Bg 3074 2914 0.00      
15 Bg 1359 1288 0.00      
16 Bg 1170 1109 0.00      
17 Bg 277 262 0.00      
18 Bu 3631 3441 7.80      
19 Bu 3052 2893 79.89      
20 Bu 1606 1522 5.86      
21 Bu 1457 1381 4.57      
22 Bu 1236 1171 99.02      
23 Bu 1053 998 174.61      
24 Bu 277 262 29.79      

Unscaled Zero Point Vibrational Energy (zpe) 18747.6 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 17769.0 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 wB97X-D/3-21G*
ABC
0.98773 0.13275 0.12244

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.446 0.613 0.000
C2 -0.446 -0.613 0.000
O3 0.446 -1.754 0.000
O4 -0.446 1.754 0.000
H5 -0.081 -2.583 0.000
H6 0.081 2.583 0.000
H7 -1.091 -0.561 0.888
H8 -1.091 -0.561 -0.888
H9 1.091 0.561 0.888
H10 1.091 0.561 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51622.36711.44873.23932.00382.12832.12831.09861.0986
C21.51621.44872.36712.00383.23931.09861.09862.12832.1283
O32.36711.44873.62010.98244.35272.13862.13862.56242.5624
O41.44872.36713.62014.35270.98242.56242.56242.13862.1386
H53.23932.00380.98244.35275.16892.42812.42813.47133.4713
H62.00383.23934.35270.98245.16893.47133.47132.42812.4281
H72.12831.09862.13862.56242.42813.47131.77602.45363.0289
H82.12831.09862.13862.56242.42813.47131.77603.02892.4536
H91.09862.12832.56242.13863.47132.42812.45363.02891.7760
H101.09862.12832.56242.13863.47132.42813.02892.45361.7760

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 105.933 C1 C2 H7 107.903
C1 C2 H8 107.903 C1 O4 H6 109.524
C2 C1 O4 105.933 C2 C1 H9 107.903
C2 C1 H10 107.903 C2 O3 H5 109.524
O3 C2 H7 113.480 O3 C2 H8 113.480
O4 C1 H9 113.480 O4 C1 H10 113.480
H7 C2 H8 107.867 H9 C1 H10 107.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.178      
2 C -0.178      
3 O -0.589      
4 O -0.589      
5 H 0.359      
6 H 0.359      
7 H 0.204      
8 H 0.204      
9 H 0.204      
10 H 0.204      


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 -25.998 6.750 0.000
y 6.750 -17.449 0.000
z 0.000 0.000 -24.775
Traceless
 xyz
x -4.886 6.750 0.000
y 6.750 7.938 0.000
z 0.000 0.000 -3.052
Polar
3z2-r2-6.104
x2-y2-8.549
xy6.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.795 0.064 0.000
y 0.064 4.885 0.000
z 0.000 0.000 3.219


<r2> (average value of r2) Å2
<r2> 95.808
(<r2>)1/2 9.788