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

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-230.235715
Energy at 298.15K-230.242848
Nuclear repulsion energy130.083262
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 B3LYPultrafine/6-31G*
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 3765 3607 0.00      
2 Ag 3002 2876 0.00      
3 Ag 1555 1490 0.00      
4 Ag 1510 1447 0.00      
5 Ag 1309 1254 0.00      
6 Ag 1097 1051 0.00      
7 Ag 995 953 0.00      
8 Ag 481 461 0.00      
9 Au 3053 2924 134.99      
10 Au 1236 1184 2.17      
11 Au 844 809 3.19      
12 Au 255 244 255.32      
13 Au 128 123 24.72      
14 Bg 3024 2897 0.00      
15 Bg 1317 1261 0.00      
16 Bg 1175 1126 0.00      
17 Bg 247 237 0.00      
18 Bu 3766 3608 34.53      
19 Bu 3007 2880 116.07      
20 Bu 1566 1501 7.39      
21 Bu 1433 1373 12.57      
22 Bu 1208 1157 107.53      
23 Bu 1086 1040 211.32      
24 Bu 296 283 20.57      

Unscaled Zero Point Vibrational Energy (zpe) 18676.8 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 17892.4 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 B3LYPultrafine/6-31G*
ABC
1.01328 0.13332 0.12331

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.436 0.622 0.000
C2 -0.436 -0.622 0.000
O3 0.436 -1.745 0.000
O4 -0.436 1.745 0.000
H5 -0.109 -2.545 0.000
H6 0.109 2.545 0.000
H7 -1.085 -0.604 0.889
H8 -1.085 -0.604 -0.889
H9 1.085 0.604 0.889
H10 1.085 0.604 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52032.36761.42243.21421.95062.14722.14721.10081.1008
C21.52031.42242.36761.95063.21421.10081.10082.14722.1472
O32.36761.42243.59800.96834.30302.09972.09972.59442.5944
O41.42242.36763.59804.30300.96832.59442.59442.09972.0997
H53.21421.95060.96834.30305.09522.34782.34783.48363.4836
H61.95063.21424.30300.96835.09523.48363.48362.34782.3478
H72.14721.10082.09972.59442.34783.48361.77842.48413.0551
H82.14721.10082.09972.59442.34783.48361.77843.05512.4841
H91.10082.14722.59442.09973.48362.34782.48413.05511.7784
H101.10082.14722.59442.09973.48362.34783.05512.48411.7784

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 107.092 C1 C2 H7 108.955
C1 C2 H8 108.955 C1 O4 H6 107.852
C2 C1 O4 107.092 C2 C1 H9 108.955
C2 C1 H10 108.955 C2 O3 H5 107.852
O3 C2 H7 112.011 O3 C2 H8 112.011
O4 C1 H9 112.011 O4 C1 H10 112.011
H7 C2 H8 107.751 H9 C1 H10 107.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 C -0.038      
3 O -0.622      
4 O -0.622      
5 H 0.396      
6 H 0.396      
7 H 0.132      
8 H 0.132      
9 H 0.132      
10 H 0.132      


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 -26.101 6.327 0.000
y 6.327 -18.124 0.000
z 0.000 0.000 -25.147
Traceless
 xyz
x -4.466 6.327 0.000
y 6.327 7.500 0.000
z 0.000 0.000 -3.034
Polar
3z2-r2-6.068
x2-y2-7.977
xy6.327
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.209 0.080 0.000
y 0.080 5.181 0.000
z 0.000 0.000 3.702


<r2> (average value of r2) Å2
<r2> 95.475
(<r2>)1/2 9.771