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

using model chemistry: M06-2X/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 M06-2X/3-21G*
 hartrees
Energy at 0K-228.856494
Energy at 298.15K-228.863974
HF Energy-228.856494
Nuclear repulsion energy129.100704
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 M06-2X/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 3607 3416 0.00      
2 Ag 3099 2935 0.00      
3 Ag 1607 1522 0.00      
4 Ag 1513 1433 0.00      
5 Ag 1312 1243 0.00      
6 Ag 1081 1024 0.00      
7 Ag 1003 950 0.00      
8 Ag 472 447 0.00      
9 Au 3156 2989 94.07      
10 Au 1239 1174 1.65      
11 Au 906 858 3.13      
12 Au 387 366 338.65      
13 Au 151 143 9.45      
14 Bg 3127 2962 0.00      
15 Bg 1361 1290 0.00      
16 Bg 1177 1114 0.00      
17 Bg 378 358 0.00      
18 Bu 3608 3417 7.94      
19 Bu 3107 2943 59.97      
20 Bu 1618 1533 5.21      
21 Bu 1453 1376 3.81      
22 Bu 1222 1158 98.34      
23 Bu 1075 1018 167.55      
24 Bu 275 260 29.18      

Unscaled Zero Point Vibrational Energy (zpe) 18966.1 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 17964.7 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 M06-2X/3-21G*
ABC
0.98206 0.13295 0.12253

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.452 0.611 0.000
C2 -0.452 -0.611 0.000
O3 0.452 -1.747 0.000
O4 -0.452 1.747 0.000
H5 -0.080 -2.581 0.000
H6 0.080 2.581 0.000
H7 -1.092 -0.572 0.889
H8 -1.092 -0.572 -0.889
H9 1.092 0.572 0.889
H10 1.092 0.572 -0.889

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52112.35811.45153.23682.00472.13902.13901.09631.0963
C21.52111.45152.35812.00473.23681.09631.09632.13902.1390
O32.35811.45153.60850.99004.34392.13452.13452.56412.5641
O41.45152.35813.60854.34390.99002.56412.56412.13452.1345
H53.23682.00470.99004.34395.16512.41942.41943.47933.4793
H62.00473.23684.34390.99005.16513.47933.47932.41942.4194
H72.13901.09632.13452.56412.41943.47931.77892.46503.0399
H82.13901.09632.13452.56412.41943.47931.77893.03992.4650
H91.09632.13902.56412.13453.47932.41942.46503.03991.7789
H101.09632.13902.56412.13453.47932.41943.03992.46501.7789

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 104.959 C1 C2 H7 108.530
C1 C2 H8 108.530 C1 O4 H6 108.920
C2 C1 O4 104.959 C2 C1 H9 108.530
C2 C1 H10 108.530 C2 O3 H5 108.920
O3 C2 H7 113.079 O3 C2 H8 113.079
O4 C1 H9 113.079 O4 C1 H10 113.079
H7 C2 H8 108.452 H9 C1 H10 108.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 C -0.154      
3 O -0.591      
4 O -0.591      
5 H 0.355      
6 H 0.355      
7 H 0.195      
8 H 0.195      
9 H 0.195      
10 H 0.195      


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 -26.265 6.736 0.000
y 6.736 -17.660 0.000
z 0.000 0.000 -25.025
Traceless
 xyz
x -4.923 6.736 0.000
y 6.736 7.985 0.000
z 0.000 0.000 -3.062
Polar
3z2-r2-6.125
x2-y2-8.606
xy6.736
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.722 0.063 0.000
y 0.063 5.005 0.000
z 0.000 0.000 3.141


<r2> (average value of r2) Å2
<r2> 95.960
(<r2>)1/2 9.796