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

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-228.830861
Energy at 298.15K-228.837910
HF Energy-228.830861
Nuclear repulsion energy 
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 B97D3/3-21G
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 3418 3359 0.00      
2 Ag 2944 2894 0.00      
3 Ag 1560 1533 0.00      
4 Ag 1466 1441 0.00      
5 Ag 1291 1269 0.00      
6 Ag 992 975 0.00      
7 Ag 958 941 0.00      
8 Ag 453 445 0.00      
9 Au 2999 2949 156.87      
10 Au 1186 1165 0.07      
11 Au 872 857 2.14      
12 Au 250 246 289.06      
13 Au 130 128 11.88      
14 Bg 2965 2915 0.00      
15 Bg 1321 1299 0.00      
16 Bg 1128 1109 0.00      
17 Bg 246 242 0.00      
18 Bu 3419 3361 1.69      
19 Bu 2951 2900 108.73      
20 Bu 1572 1546 6.56      
21 Bu 1415 1391 2.48      
22 Bu 1200 1179 87.98      
23 Bu 980 964 157.13      
24 Bu 270 265 25.01      

Unscaled Zero Point Vibrational Energy (zpe) 17991.0 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 17685.2 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 B97D3/3-21G
ABC
0.96523 0.13074 0.12046

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.456 0.614 0.000
C2 -0.456 -0.614 0.000
O3 0.456 -1.765 0.000
O4 -0.456 1.765 0.000
H5 -0.116 -2.583 0.000
H6 0.116 2.583 0.000
H7 -1.101 -0.568 0.895
H8 -1.101 -0.568 -0.895
H9 1.101 0.568 0.895
H10 1.101 0.568 -0.895

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52932.37851.46793.24801.99842.14992.14991.10451.1045
C21.52931.46792.37851.99843.24801.10451.10452.14992.1499
O32.37851.46793.64490.99874.36112.15812.15812.58032.5803
O41.46792.37853.64494.36110.99872.58032.58032.15812.1581
H53.24801.99840.99874.36115.17182.41532.41533.49463.4946
H61.99843.24804.36110.99875.17183.49463.49462.41532.4153
H72.14991.10452.15812.58032.41533.49461.79022.47793.0570
H82.14991.10452.15812.58032.41533.49461.79023.05702.4779
H91.10452.14992.58032.15813.49462.41532.47793.05701.7902
H101.10452.14992.58032.15813.49462.41533.05702.47791.7902

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 105.787 C1 C2 H7 107.710
C1 C2 H8 107.710 C1 O4 H6 108.466
C2 C1 O4 105.787 C2 C1 H9 107.710
C2 C1 H10 107.710 C2 O3 H5 108.466
O3 C2 H7 113.877 O3 C2 H8 113.877
O4 C1 H9 113.877 O4 C1 H10 113.877
H7 C2 H8 107.551 H9 C1 H10 107.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 C -0.176      
3 O -0.546      
4 O -0.546      
5 H 0.340      
6 H 0.340      
7 H 0.191      
8 H 0.191      
9 H 0.191      
10 H 0.191      


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 -25.973 6.481 0.000
y 6.481 -17.839 0.000
z 0.000 0.000 -24.947
Traceless
 xyz
x -4.580 6.481 0.000
y 6.481 7.621 0.000
z 0.000 0.000 -3.041
Polar
3z2-r2-6.082
x2-y2-8.134
xy6.481
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.015 0.067 0.000
y 0.067 5.267 0.000
z 0.000 0.000 3.305


<r2> (average value of r2) Å2
<r2> 97.191
(<r2>)1/2 9.859