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

using model chemistry: wB97X-D/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-230.269195
Energy at 298.15K-230.276307
HF Energy-230.269195
Nuclear repulsion energy130.846585
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/cc-pVTZ
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 3933 3760 0.00      
2 Ag 3013 2881 0.00      
3 Ag 1524 1457 0.00      
4 Ag 1505 1438 0.00      
5 Ag 1304 1246 0.00      
6 Ag 1117 1068 0.00      
7 Ag 1003 959 0.00      
8 Ag 487 466 0.00      
9 Au 3070 2935 95.13      
10 Au 1249 1194 1.58      
11 Au 834 797 1.96      
12 Au 234 224 221.69      
13 Au 127 122 31.17      
14 Bg 3043 2909 0.00      
15 Bg 1324 1266 0.00      
16 Bg 1168 1117 0.00      
17 Bg 219 210 0.00      
18 Bu 3933 3760 77.64      
19 Bu 3018 2885 108.31      
20 Bu 1532 1464 5.44      
21 Bu 1428 1365 8.61      
22 Bu 1208 1155 87.97      
23 Bu 1103 1055 227.43      
24 Bu 296 283 19.67      

Unscaled Zero Point Vibrational Energy (zpe) 18836.1 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 18007.3 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/cc-pVTZ
ABC
1.02917 0.13452 0.12454

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.434 0.620 0.000
C2 -0.434 -0.620 0.000
O3 0.434 -1.741 0.000
O4 -0.434 1.741 0.000
H5 -0.100 -2.535 0.000
H6 0.100 2.535 0.000
H7 -1.075 -0.611 0.887
H8 -1.075 -0.611 -0.887
H9 1.075 0.611 0.887
H10 1.075 0.611 -0.887

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51282.36121.41763.19961.94392.13902.13901.09441.0944
C21.51281.41762.36121.94393.19961.09441.09442.13902.1390
O32.36121.41763.58910.95644.28932.08342.08342.59402.5940
O41.41762.36123.58914.28930.95642.59402.59402.08342.0834
H53.19961.94390.95644.28935.07392.33232.33233.47293.4729
H61.94393.19964.28930.95645.07393.47293.47292.33232.3323
H72.13901.09442.08342.59402.33233.47291.77332.47253.0426
H82.13901.09442.08342.59402.33233.47291.77333.04262.4725
H91.09442.13902.59402.08343.47292.33232.47253.04261.7733
H101.09442.13902.59402.08343.47292.33233.04262.47251.7733

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 107.323 C1 C2 H7 109.205
C1 C2 H8 109.205 C1 O4 H6 108.365
C2 C1 O4 107.323 C2 C1 H9 109.205
C2 C1 H10 109.205 C2 O3 H5 108.365
O3 C2 H7 111.421 O3 C2 H8 111.421
O4 C1 H9 111.421 O4 C1 H10 111.421
H7 C2 H8 108.228 H9 C1 H10 108.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.034      
2 C 0.034      
3 O -0.334      
4 O -0.334      
5 H 0.191      
6 H 0.191      
7 H 0.054      
8 H 0.054      
9 H 0.054      
10 H 0.054      


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 -26.206 6.141 0.000
y 6.141 -18.640 0.000
z 0.000 0.000 -25.188
Traceless
 xyz
x -4.292 6.141 0.000
y 6.141 7.057 0.000
z 0.000 0.000 -2.765
Polar
3z2-r2-5.530
x2-y2-7.566
xy6.141
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.900 0.074 0.000
y 0.074 5.756 0.000
z 0.000 0.000 4.337


<r2> (average value of r2) Å2
<r2> 94.824
(<r2>)1/2 9.738