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

using model chemistry: HF/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-229.024822
Energy at 298.15K-229.032141
Nuclear repulsion energy131.751407
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/6-311+G(3df,2p)
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 4209 3824 0.00      
2 Ag 3150 2862 0.00      
3 Ag 1651 1500 0.00      
4 Ag 1618 1470 0.00      
5 Ag 1387 1261 0.00      
6 Ag 1192 1083 0.00      
7 Ag 1054 957 0.00      
8 Ag 516 469 0.00      
9 Au 3200 2908 112.63      
10 Au 1344 1221 4.86      
11 Au 891 809 2.24      
12 Au 253 229 255.12      
13 Au 144 131 31.96      
14 Bg 3169 2879 0.00      
15 Bg 1417 1287 0.00      
16 Bg 1266 1150 0.00      
17 Bg 237 215 0.00      
18 Bu 4209 3824 140.00      
19 Bu 3153 2865 120.05      
20 Bu 1658 1507 6.88      
21 Bu 1531 1391 16.79      
22 Bu 1276 1159 171.76      
23 Bu 1182 1074 216.32      
24 Bu 321 292 22.16      

Unscaled Zero Point Vibrational Energy (zpe) 20012.5 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 18183.4 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/6-311+G(3df,2p)
ABC
1.04680 0.13580 0.12579

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311+G(3df,2p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.430 0.622 0.000
C2 -0.430 -0.622 0.000
O3 0.430 -1.727 0.000
O4 -0.430 1.727 0.000
H5 -0.062 -2.526 0.000
H6 0.062 2.526 0.000
H7 -1.067 -0.618 0.879
H8 -1.067 -0.618 -0.879
H9 1.067 0.618 0.879
H10 1.067 0.618 -0.879

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51182.34891.39973.18601.93922.13292.13291.08581.0858
C21.51181.39972.34891.93923.18601.08581.08582.13292.1329
O32.34891.39973.55910.93794.26872.05972.05972.58392.5839
O41.39972.34893.55914.26870.93792.58392.58392.05972.0597
H53.18601.93920.93794.26875.05342.32902.32903.45393.4539
H61.93923.18604.26870.93795.05343.45393.45392.32902.3290
H72.13291.08582.05972.58392.32903.45391.75822.46563.0283
H82.13291.08582.05972.58392.32903.45391.75823.02832.4656
H91.08582.13292.58392.05973.45392.32902.46563.02831.7582
H101.08582.13292.58392.05973.45392.32903.02832.46561.7582

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 107.498 C1 C2 H7 109.291
C1 C2 H8 109.291 C1 O4 H6 110.550
C2 C1 O4 107.498 C2 C1 H9 109.291
C2 C1 H10 109.291 C2 O3 H5 110.550
O3 C2 H7 111.304 O3 C2 H8 111.304
O4 C1 H9 111.304 O4 C1 H10 111.304
H7 C2 H8 108.124 H9 C1 H10 108.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.286      
2 C 0.286      
3 O -0.715      
4 O -0.715      
5 H 0.197      
6 H 0.197      
7 H 0.116      
8 H 0.116      
9 H 0.116      
10 H 0.116      


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 -26.595 6.664 0.000
y 6.664 -19.038 0.000
z 0.000 0.000 -25.337
Traceless
 xyz
x -4.408 6.664 0.000
y 6.664 6.928 0.000
z 0.000 0.000 -2.521
Polar
3z2-r2-5.041
x2-y2-7.557
xy6.664
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.786 -0.072 0.000
y -0.072 5.619 0.000
z 0.000 0.000 4.385


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000