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

using model chemistry: B97D3/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 B97D3/TZVP
 hartrees
Energy at 0K-230.207205
Energy at 298.15K-230.214166
HF Energy-230.207205
Nuclear repulsion energy129.600583
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/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 3767 3713 0.00      
2 Ag 2933 2890 0.00      
3 Ag 1492 1470 0.00      
4 Ag 1454 1433 0.00      
5 Ag 1268 1250 0.00      
6 Ag 1031 1016 0.00      
7 Ag 962 949 0.00      
8 Ag 467 460 0.00      
9 Au 2988 2945 116.63      
10 Au 1202 1185 0.88      
11 Au 828 816 2.00      
12 Au 224 221 228.71      
13 Au 114 112 41.32      
14 Bg 2958 2916 0.00      
15 Bg 1282 1264 0.00      
16 Bg 1135 1118 0.00      
17 Bg 200 197 0.00      
18 Bu 3768 3714 47.60      
19 Bu 2939 2897 126.49      
20 Bu 1504 1482 5.51      
21 Bu 1385 1365 2.58      
22 Bu 1178 1161 85.78      
23 Bu 1012 998 220.89      
24 Bu 292 287 21.55      

Unscaled Zero Point Vibrational Energy (zpe) 18190.3 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 17928.4 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 B97D3/TZVP
ABC
1.00983 0.13199 0.12217

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.438 0.621 0.000
C2 -0.438 -0.621 0.000
O3 0.438 -1.756 0.000
O4 -0.438 1.756 0.000
H5 -0.109 -2.551 0.000
H6 0.109 2.551 0.000
H7 -1.083 -0.608 0.893
H8 -1.083 -0.608 -0.893
H9 1.083 0.608 0.893
H10 1.083 0.608 -0.893

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52092.37721.43343.21881.95702.15022.15021.10151.1015
C21.52091.43342.37721.95703.21881.10151.10152.15022.1502
O32.37721.43343.61910.96484.31882.10472.10472.60762.6076
O41.43342.37723.61914.31880.96482.60762.60762.10472.1047
H53.21881.95700.96484.31885.10572.34962.34963.49193.4919
H61.95703.21884.31880.96485.10573.49193.49192.34962.3496
H72.15021.10152.10472.60762.34963.49191.78532.48463.0595
H82.15021.10152.10472.60762.34963.49191.78533.05952.4846
H91.10152.15022.60762.10473.49192.34962.48463.05951.7853
H101.10152.15022.60762.10473.49192.34963.05952.48461.7853

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 107.116 C1 C2 H7 109.116
C1 C2 H8 109.116 C1 O4 H6 107.776
C2 C1 O4 107.116 C2 C1 H9 109.116
C2 C1 H10 109.116 C2 O3 H5 107.776
O3 C2 H7 111.586 O3 C2 H8 111.586
O4 C1 H9 111.586 O4 C1 H10 111.586
H7 C2 H8 108.271 H9 C1 H10 108.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.073      
2 C -0.073      
3 O -0.377      
4 O -0.377      
5 H 0.266      
6 H 0.266      
7 H 0.092      
8 H 0.092      
9 H 0.092      
10 H 0.092      


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 -26.747 6.702 0.000
y 6.702 -18.996 0.000
z 0.000 0.000 -25.606
Traceless
 xyz
x -4.446 6.702 0.000
y 6.702 7.180 0.000
z 0.000 0.000 -2.735
Polar
3z2-r2-5.469
x2-y2-7.751
xy6.702
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.992 0.015 0.000
y 0.015 5.883 0.000
z 0.000 0.000 4.491


<r2> (average value of r2) Å2
<r2> 96.580
(<r2>)1/2 9.828