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

using model chemistry: BLYP/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-230.171779
Energy at 298.15K-230.178759
Nuclear repulsion energy128.866044
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-pVDZ
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 3636 3642 0.00      
2 Ag 2878 2883 0.00      
3 Ag 1456 1459 0.00      
4 Ag 1431 1433 0.00      
5 Ag 1255 1257 0.00      
6 Ag 1031 1032 0.00      
7 Ag 958 960 0.00      
8 Ag 462 462 0.00      
9 Au 2925 2929 149.84      
10 Au 1160 1162 0.46      
11 Au 816 818 1.85      
12 Au 239 239 200.82      
13 Au 112 113 21.98      
14 Bg 2895 2900 0.00      
15 Bg 1249 1251 0.00      
16 Bg 1112 1114 0.00      
17 Bg 230 231 0.00      
18 Bu 3637 3643 30.39      
19 Bu 2882 2886 134.79      
20 Bu 1467 1469 6.38      
21 Bu 1364 1366 8.85      
22 Bu 1162 1164 85.75      
23 Bu 1017 1019 201.81      
24 Bu 279 279 15.71      

Unscaled Zero Point Vibrational Energy (zpe) 17825.9 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 17854.5 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/cc-pVDZ
ABC
0.98926 0.13124 0.12131

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.765 0.000
C2 0.000 -0.765 0.000
O3 1.375 -1.184 0.000
O4 -1.375 1.184 0.000
H5 1.376 -2.162 0.000
H6 -1.376 2.162 0.000
H7 -0.554 -1.125 0.900
H8 -0.554 -1.125 -0.900
H9 0.554 1.125 0.900
H10 0.554 1.125 -0.900

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.53052.38551.43723.23451.96082.16592.16591.11681.1168
C21.53051.43722.38551.96083.23451.11681.11682.16592.1659
O32.38551.43723.62900.97764.33182.12962.12962.61092.6109
O41.43722.38553.62904.33180.97762.61092.61092.12962.1296
H53.23451.96080.97764.33185.12552.36912.36913.50573.5057
H61.96083.23454.33180.97765.12553.50573.50572.36912.3691
H72.16591.11682.12962.61092.36913.50571.80062.50833.0877
H82.16591.11682.12962.61092.36913.50571.80063.08772.5083
H91.11682.16592.61092.12963.50572.36912.50833.08771.8006
H101.11682.16592.61092.12963.50572.36913.08772.50831.8006

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 106.949 C1 C2 H7 108.795
C1 C2 H8 108.795 C1 O4 H6 107.042
C2 C1 O4 106.949 C2 C1 H9 108.795
C2 C1 H10 108.795 C2 O3 H5 107.042
O3 C2 H7 112.383 O3 C2 H8 112.383
O4 C1 H9 112.383 O4 C1 H10 112.383
H7 C2 H8 107.447 H9 C1 H10 107.447
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.123      
2 C 0.123      
3 O -0.245      
4 O -0.245      
5 H 0.135      
6 H 0.135      
7 H -0.007      
8 H -0.007      
9 H -0.007      
10 H -0.007      


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 -28.891 -1.736 0.000
y -1.736 -15.759 0.000
z 0.000 0.000 -25.354
Traceless
 xyz
x -8.334 -1.736 0.000
y -1.736 11.364 0.000
z 0.000 0.000 -3.029
Polar
3z2-r2-6.059
x2-y2-13.132
xy-1.736
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.863 -0.426 0.000
y -0.426 5.497 0.000
z 0.000 0.000 4.044


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