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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-230.099527
Energy at 298.15K-230.106597
HF Energy-230.099527
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 B97D3/6-31G*
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 3687 3615 0.00      
2 Ag 2932 2874 0.00      
3 Ag 1524 1495 0.00      
4 Ag 1478 1449 0.00      
5 Ag 1290 1265 0.00      
6 Ag 1060 1039 0.00      
7 Ag 973 954 0.00      
8 Ag 471 462 0.00      
9 Au 2984 2926 157.30      
10 Au 1210 1186 1.29      
11 Au 828 812 3.03      
12 Au 251 246 245.48      
13 Au 127 124 23.83      
14 Bg 2955 2897 0.00      
15 Bg 1291 1265 0.00      
16 Bg 1150 1127 0.00      
17 Bg 241 237 0.00      
18 Bu 3688 3616 24.32      
19 Bu 2937 2880 138.58      
20 Bu 1535 1505 7.98      
21 Bu 1406 1378 11.17      
22 Bu 1192 1169 94.26      
23 Bu 1046 1025 212.94      
24 Bu 292 286 19.59      

Unscaled Zero Point Vibrational Energy (zpe) 18273.4 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 17915.2 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 B97D3/6-31G*
ABC
1.00316 0.13240 0.12243

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.439 0.624 0.000
C2 -0.439 -0.624 0.000
O3 0.439 -1.752 0.000
O4 -0.439 1.752 0.000
H5 -0.120 -2.547 0.000
H6 0.120 2.547 0.000
H7 -1.090 -0.604 0.893
H8 -1.090 -0.604 -0.893
H9 1.090 0.604 0.893
H10 1.090 0.604 -0.893

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52502.37591.42933.21981.94962.15462.15461.10601.1060
C21.52501.42932.37591.94963.21981.10601.10602.15462.1546
O32.37591.42933.61250.97184.31112.11052.11052.60262.6026
O41.42932.37593.61254.31110.97182.60262.60262.11052.1105
H53.21981.94960.97184.31115.10002.34852.34853.49173.4917
H61.94963.21984.31110.97185.10003.49173.49172.34852.3485
H72.15461.10602.11052.60262.34853.49171.78692.49243.0668
H82.15461.10602.11052.60262.34853.49171.78693.06682.4924
H91.10602.15462.60262.11053.49172.34852.49243.06681.7869
H101.10602.15462.60262.11053.49172.34853.06682.49241.7869

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 107.198 C1 C2 H7 108.965
C1 C2 H8 108.965 C1 O4 H6 107.244
C2 C1 O4 107.198 C2 C1 H9 108.965
C2 C1 H10 108.965 C2 O3 H5 107.244
O3 C2 H7 111.937 O3 C2 H8 111.937
O4 C1 H9 111.937 O4 C1 H10 111.937
H7 C2 H8 107.776 H9 C1 H10 107.776
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.056      
2 C -0.056      
3 O -0.607      
4 O -0.607      
5 H 0.392      
6 H 0.392      
7 H 0.136      
8 H 0.136      
9 H 0.136      
10 H 0.136      


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 -25.970 6.271 0.000
y 6.271 -18.117 0.000
z 0.000 0.000 -25.090
Traceless
 xyz
x -4.366 6.271 0.000
y 6.271 7.413 0.000
z 0.000 0.000 -3.047
Polar
3z2-r2-6.093
x2-y2-7.853
xy6.271
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.354 0.073 0.000
y 0.073 5.324 0.000
z 0.000 0.000 3.793


<r2> (average value of r2) Å2
<r2> 95.991
(<r2>)1/2 9.797