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

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-230.268577
Energy at 298.15K-230.275463
Nuclear repulsion energy129.043633
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 BLYP/cc-pVTZ
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 3693 3682 0.00      
2 Ag 2907 2898 0.00      
3 Ag 1484 1480 0.00      
4 Ag 1432 1428 0.00      
5 Ag 1254 1250 0.00      
6 Ag 1008 1005 0.00      
7 Ag 949 946 0.00      
8 Ag 459 458 0.00      
9 Au 2955 2946 106.22      
10 Au 1180 1177 0.66      
11 Au 817 815 1.18      
12 Au 214 213 197.09      
13 Au 104 103 32.91      
14 Bg 2926 2917 0.00      
15 Bg 1268 1264 0.00      
16 Bg 1125 1121 0.00      
17 Bg 194 193 0.00      
18 Bu 3694 3683 42.38      
19 Bu 2914 2905 116.40      
20 Bu 1497 1493 3.68      
21 Bu 1373 1369 7.76      
22 Bu 1163 1160 82.99      
23 Bu 992 989 201.84      
24 Bu 283 283 17.61      

Unscaled Zero Point Vibrational Energy (zpe) 17942.1 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 17888.3 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 BLYP/cc-pVTZ
ABC
1.00165 0.13086 0.12108

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.763 0.000
C2 0.000 -0.763 0.000
O3 1.379 -1.184 0.000
O4 -1.379 1.184 0.000
H5 1.395 -2.155 0.000
H6 -1.395 2.155 0.000
H7 -0.536 -1.126 0.892
H8 -0.536 -1.126 -0.892
H9 0.536 1.126 0.892
H10 0.536 1.126 -0.892

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52662.38631.44183.23421.97032.15672.15671.10211.1021
C21.52661.44182.38631.97033.23421.10211.10212.15672.1567
O32.38631.44183.63540.97044.34092.11312.11312.61602.6160
O41.44182.38633.63544.34090.97042.61602.61602.11312.1131
H53.23421.97030.97044.34095.13362.36282.36283.50643.5064
H61.97033.23424.34090.97045.13363.50643.50642.36282.3628
H72.15671.10212.11312.61602.36283.50641.78492.49313.0661
H82.15671.10212.11312.61602.36283.50641.78493.06612.4931
H91.10212.15672.61602.11313.50642.36282.49313.06611.7849
H101.10212.15672.61602.11313.50642.36283.06612.49311.7849

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 106.975 C1 C2 H7 109.195
C1 C2 H8 109.195 C1 O4 H6 107.931
C2 C1 O4 106.975 C2 C1 H9 109.195
C2 C1 H10 109.195 C2 O3 H5 107.931
O3 C2 H7 111.639 O3 C2 H8 111.639
O4 C1 H9 111.639 O4 C1 H10 111.639
H7 C2 H8 108.154 H9 C1 H10 108.154
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.038      
2 C 0.038      
3 O -0.338      
4 O -0.338      
5 H 0.195      
6 H 0.195      
7 H 0.052      
8 H 0.052      
9 H 0.052      
10 H 0.052      


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


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


<r2> (average value of r2) Å2
<r2> 97.381
(<r2>)1/2 9.868