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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-230.198124
Energy at 298.15K-230.205306
Nuclear repulsion energy131.011993
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 B1B95/6-311G*
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 3850 3690 0.00      
2 Ag 3011 2886 0.00      
3 Ag 1536 1472 0.00      
4 Ag 1509 1446 0.00      
5 Ag 1306 1252 0.00      
6 Ag 1112 1066 0.00      
7 Ag 1008 966 0.00      
8 Ag 483 463 0.00      
9 Au 3068 2941 130.88      
10 Au 1237 1186 1.86      
11 Au 841 806 4.00      
12 Au 269 258 295.21      
13 Au 130 125 21.99      
14 Bg 3037 2912 0.00      
15 Bg 1316 1261 0.00      
16 Bg 1166 1118 0.00      
17 Bg 256 246 0.00      
18 Bu 3851 3691 35.92      
19 Bu 3016 2891 130.17      
20 Bu 1547 1483 5.48      
21 Bu 1424 1365 8.71      
22 Bu 1202 1152 118.46      
23 Bu 1105 1059 221.20      
24 Bu 287 275 23.48      

Unscaled Zero Point Vibrational Energy (zpe) 18782.5 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 18004.9 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 B1B95/6-311G*
ABC
1.02688 0.13536 0.12524

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.434 0.616 0.000
C2 -0.434 -0.616 0.000
O3 0.434 -1.732 0.000
O4 -0.434 1.732 0.000
H5 -0.097 -2.530 0.000
H6 0.097 2.530 0.000
H7 -1.078 -0.597 0.888
H8 -1.078 -0.597 -0.888
H9 1.078 0.597 0.888
H10 1.078 0.597 -0.888

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.50702.34791.41273.19101.94342.13182.13181.09691.0969
C21.50701.41272.34791.94343.19101.09691.09692.13182.1318
O32.34791.41273.57010.95884.27522.08772.08772.57422.5742
O41.41272.34793.57014.27520.95882.57422.57422.08772.0877
H53.19101.94340.95884.27525.06442.34242.34243.45683.4568
H61.94343.19104.27520.95885.06443.45683.45682.34242.3424
H72.13181.09692.08772.57422.34243.45681.77522.46453.0373
H82.13181.09692.08772.57422.34243.45681.77523.03732.4645
H91.09692.13182.57422.08773.45682.34242.46453.03731.7752
H101.09692.13182.57422.08773.45682.34243.03732.46451.7752

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 107.015 C1 C2 H7 108.889
C1 C2 H8 108.889 C1 O4 H6 108.554
C2 C1 O4 107.015 C2 C1 H9 108.889
C2 C1 H10 108.889 C2 O3 H5 108.554
O3 C2 H7 111.973 O3 C2 H8 111.973
O4 C1 H9 111.973 O4 C1 H10 111.973
H7 C2 H8 108.027 H9 C1 H10 108.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.219      
2 C -0.219      
3 O -0.576      
4 O -0.576      
5 H 0.396      
6 H 0.396      
7 H 0.199      
8 H 0.199      
9 H 0.199      
10 H 0.199      


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 -26.524 6.542 0.000
y 6.542 -17.892 0.000
z 0.000 0.000 -25.236
Traceless
 xyz
x -4.960 6.542 0.000
y 6.542 7.988 0.000
z 0.000 0.000 -3.028
Polar
3z2-r2-6.056
x2-y2-8.632
xy6.542
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.463 0.120 0.000
y 0.120 5.282 0.000
z 0.000 0.000 3.886


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000