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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-230.169827
Energy at 298.15K-230.176817
Nuclear repulsion energy128.927337
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/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 3678 3650 0.00      
2 Ag 2904 2882 0.00      
3 Ag 1502 1490 0.00      
4 Ag 1449 1438 0.00      
5 Ag 1264 1254 0.00      
6 Ag 1034 1026 0.00      
7 Ag 954 947 0.00      
8 Ag 462 459 0.00      
9 Au 2953 2931 140.75      
10 Au 1188 1179 1.12      
11 Au 820 814 2.47      
12 Au 239 237 223.76      
13 Au 117 117 24.62      
14 Bg 2925 2903 0.00      
15 Bg 1269 1259 0.00      
16 Bg 1135 1126 0.00      
17 Bg 229 227 0.00      
18 Bu 3679 3651 17.48      
19 Bu 2910 2888 123.76      
20 Bu 1513 1501 7.25      
21 Bu 1381 1371 10.48      
22 Bu 1169 1160 88.44      
23 Bu 1018 1011 205.74      
24 Bu 284 282 18.19      

Unscaled Zero Point Vibrational Energy (zpe) 18038.4 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 17899.5 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/6-31G**
ABC
0.99396 0.13101 0.12112

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.766 0.000
C2 0.000 -0.766 0.000
O3 1.376 -1.186 0.000
O4 -1.376 1.186 0.000
H5 1.378 -2.161 0.000
H6 -1.378 2.161 0.000
H7 -0.547 -1.125 0.895
H8 -0.547 -1.125 -0.895
H9 0.547 1.125 0.895
H10 0.547 1.125 -0.895

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.53172.38791.43893.23511.96102.16232.16231.10841.1084
C21.53171.43892.38791.96103.23511.10841.10842.16232.1623
O32.38791.43893.63300.97564.33432.12202.12202.61292.6129
O41.43892.38793.63304.33430.97562.61292.61292.12202.1220
H53.23511.96100.97564.33435.12612.36202.36203.50583.5058
H61.96103.23514.33430.97565.12613.50583.50582.36202.3620
H72.16231.10842.12202.61292.36203.50581.78922.50223.0761
H82.16231.10842.12202.61292.36203.50581.78923.07612.5022
H91.10842.16232.61292.12203.50582.36202.50223.07611.7892
H101.10842.16232.61292.12203.50582.36203.07612.50221.7892

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 106.958 C1 C2 H7 108.916
C1 C2 H8 108.916 C1 O4 H6 107.060
C2 C1 O4 106.958 C2 C1 H9 108.916
C2 C1 H10 108.916 C2 O3 H5 107.060
O3 C2 H7 112.178 O3 C2 H8 112.178
O4 C1 H9 112.178 O4 C1 H10 112.178
H7 C2 H8 107.621 H9 C1 H10 107.621
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.055      
2 C 0.055      
3 O -0.510      
4 O -0.510      
5 H 0.295      
6 H 0.295      
7 H 0.080      
8 H 0.080      
9 H 0.080      
10 H 0.080      


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> 96.953
(<r2>)1/2 9.846