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

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-230.272199
Energy at 298.15K-230.279238
Nuclear repulsion energy129.871984
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 B3LYP/6-31+G**
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 3851 3714 0.00      
2 Ag 3009 2901 0.00      
3 Ag 1527 1472 0.00      
4 Ag 1477 1424 0.00      
5 Ag 1275 1229 0.00      
6 Ag 1076 1038 0.00      
7 Ag 981 946 0.00      
8 Ag 477 460 0.00      
9 Au 3067 2957 92.65      
10 Au 1226 1182 1.37      
11 Au 834 804 1.92      
12 Au 237 229 265.96      
13 Au 114 110 38.76      
14 Bg 3040 2931 0.00      
15 Bg 1303 1256 0.00      
16 Bg 1159 1117 0.00      
17 Bg 221 213 0.00      
18 Bu 3852 3714 73.86      
19 Bu 3014 2906 111.77      
20 Bu 1535 1480 6.25      
21 Bu 1398 1348 5.45      
22 Bu 1176 1134 92.61      
23 Bu 1062 1024 237.22      
24 Bu 295 284 23.16      

Unscaled Zero Point Vibrational Energy (zpe) 18603.3 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 17937.3 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 B3LYP/6-31+G**
ABC
1.01277 0.13269 0.12279

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.760 0.000
C2 0.000 -0.760 0.000
O3 1.366 -1.176 0.000
O4 -1.366 1.176 0.000
H5 1.404 -2.140 0.000
H6 -1.404 2.140 0.000
H7 -0.530 -1.124 0.891
H8 -0.530 -1.124 -0.891
H9 0.530 1.124 0.891
H10 0.530 1.124 -0.891

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52042.37001.42843.22221.96862.15062.15061.09881.0988
C21.52041.42842.37001.96863.22221.09881.09882.15062.1506
O32.37001.42843.60590.96454.32122.09622.09622.60462.6046
O41.42842.37003.60594.32120.96452.60462.60462.09622.0962
H53.22221.96860.96454.32125.11892.35962.35963.49443.4944
H61.96863.22224.32120.96455.11893.49443.49442.35962.3596
H72.15061.09882.09622.60462.35963.49441.78232.48543.0584
H82.15061.09882.09622.60462.35963.49441.78233.05842.4854
H91.09882.15062.60462.09623.49442.35962.48543.05841.7823
H101.09882.15062.60462.09623.49442.35963.05842.48541.7823

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 106.928 C1 C2 H7 109.331
C1 C2 H8 109.331 C1 O4 H6 109.171
C2 C1 O4 106.928 C2 C1 H9 109.331
C2 C1 H10 109.331 C2 O3 H5 109.171
O3 C2 H7 111.415 O3 C2 H8 111.415
O4 C1 H9 111.415 O4 C1 H10 111.415
H7 C2 H8 108.385 H9 C1 H10 108.385
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.074     0.288
2 C -0.074     0.267
3 O -0.549     -0.733
4 O -0.549     -0.737
5 H 0.349     0.434
6 H 0.349     0.434
7 H 0.137     0.014
8 H 0.137     0.014
9 H 0.137     0.009
10 H 0.137     0.009


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 0.011 -0.006 0.000 0.012


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.331 -0.383 0.000
y -0.383 5.344 0.000
z 0.000 0.000 4.499


<r2> (average value of r2) Å2
<r2> 96.479
(<r2>)1/2 9.822