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

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-230.343811
Energy at 298.15K-230.350852
HF Energy-230.343811
Nuclear repulsion energy130.104960
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 B3LYP/TZVP
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 3837 3705 0.00      
2 Ag 2998 2895 0.00      
3 Ag 1524 1471 0.00      
4 Ag 1486 1435 0.00      
5 Ag 1285 1241 0.00      
6 Ag 1067 1030 0.00      
7 Ag 985 951 0.00      
8 Ag 477 461 0.00      
9 Au 3053 2947 98.39      
10 Au 1230 1187 1.52      
11 Au 845 815 2.09      
12 Au 231 223 244.15      
13 Au 118 113 42.34      
14 Bg 3024 2920 0.00      
15 Bg 1310 1264 0.00      
16 Bg 1161 1120 0.00      
17 Bg 209 202 0.00      
18 Bu 3838 3705 66.70      
19 Bu 3005 2901 106.27      
20 Bu 1536 1483 5.64      
21 Bu 1413 1364 2.87      
22 Bu 1190 1149 97.14      
23 Bu 1051 1014 221.25      
24 Bu 297 286 22.91      

Unscaled Zero Point Vibrational Energy (zpe) 18583.9 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 17940.9 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 B3LYP/TZVP
ABC
1.01934 0.13297 0.12310

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.435 0.621 0.000
C2 -0.435 -0.621 0.000
O3 0.435 -1.754 0.000
O4 -0.435 1.754 0.000
H5 -0.098 -2.557 0.000
H6 0.098 2.557 0.000
H7 -1.078 -0.611 0.888
H8 -1.078 -0.611 -0.888
H9 1.078 0.611 0.888
H10 1.078 0.611 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51722.37601.42863.22241.96432.14402.14401.09611.0961
C21.51721.42862.37601.96433.22241.09611.09612.14402.1440
O32.37601.42863.61530.96284.32432.09362.09362.60752.6075
O41.42862.37603.61534.32430.96282.60752.60752.09362.0936
H53.22241.96430.96284.32435.11692.35212.35213.49373.4937
H61.96433.22244.32430.96285.11693.49373.49372.35212.3521
H72.14401.09612.09362.60752.35213.49371.77592.47803.0487
H82.14401.09612.09362.60752.35213.49371.77593.04872.4780
H91.09612.14402.60752.09363.49372.35212.47803.04871.7759
H101.09612.14402.60752.09363.49372.35213.04872.47801.7759

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 107.485 C1 C2 H7 109.192
C1 C2 H8 109.192 C1 O4 H6 108.894
C2 C1 O4 107.485 C2 C1 H9 109.192
C2 C1 H10 109.192 C2 O3 H5 108.894
O3 C2 H7 111.364 O3 C2 H8 111.364
O4 C1 H9 111.364 O4 C1 H10 111.364
H7 C2 H8 108.209 H9 C1 H10 108.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.080      
2 C -0.080      
3 O -0.396      
4 O -0.396      
5 H 0.271      
6 H 0.271      
7 H 0.103      
8 H 0.103      
9 H 0.103      
10 H 0.103      


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 -26.937 6.833 0.000
y 6.833 -19.080 0.000
z 0.000 0.000 -25.691
Traceless
 xyz
x -4.552 6.833 0.000
y 6.833 7.234 0.000
z 0.000 0.000 -2.682
Polar
3z2-r2-5.364
x2-y2-7.857
xy6.833
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.833 0.019 0.000
y 0.019 5.712 0.000
z 0.000 0.000 4.366


<r2> (average value of r2) Å2
<r2> 96.074
(<r2>)1/2 9.802