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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-230.081323
Energy at 298.15K-230.088247
HF Energy-230.081323
Nuclear repulsion energy129.700232
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 PBEPBE/Def2TZVPP
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 3745 3700 0.00      
2 Ag 2916 2881 0.00      
3 Ag 1467 1449 0.00      
4 Ag 1429 1412 0.00      
5 Ag 1250 1235 0.00      
6 Ag 1046 1034 0.00      
7 Ag 966 954 0.00      
8 Ag 465 460 0.00      
9 Au 2971 2935 92.91      
10 Au 1178 1164 0.70      
11 Au 808 798 1.19      
12 Au 224 221 200.13      
13 Au 108 107 34.19      
14 Bg 2941 2906 0.00      
15 Bg 1260 1245 0.00      
16 Bg 1118 1104 0.00      
17 Bg 202 200 0.00      
18 Bu 3746 3700 56.00      
19 Bu 2923 2888 111.13      
20 Bu 1479 1461 4.68      
21 Bu 1363 1347 8.35      
22 Bu 1160 1146 65.87      
23 Bu 1030 1018 219.67      
24 Bu 284 281 18.08      

Unscaled Zero Point Vibrational Energy (zpe) 18039.4 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 17821.1 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 PBEPBE/Def2TZVPP
ABC
1.00830 0.13252 0.12263

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.437 0.622 0.000
C2 -0.437 -0.622 0.000
O3 0.437 -1.756 0.000
O4 -0.437 1.756 0.000
H5 -0.107 -2.558 0.000
H6 0.107 2.558 0.000
H7 -1.085 -0.608 0.894
H8 -1.085 -0.608 -0.894
H9 1.085 0.608 0.894
H10 1.085 0.608 -0.894

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52052.37851.43123.22621.96322.15162.15161.10441.1044
C21.52051.43122.37851.96323.22621.10441.10442.15162.1516
O32.37851.43123.61930.96874.32642.10552.10552.60962.6096
O41.43122.37853.61934.32640.96872.60962.60962.10552.1055
H53.22621.96320.96874.32645.11992.35702.35703.49923.4992
H61.96323.22624.32640.96875.11993.49923.49922.35702.3570
H72.15161.10442.10552.60962.35703.49921.78782.48803.0637
H82.15161.10442.10552.60962.35703.49921.78783.06372.4880
H91.10442.15162.60962.10553.49922.35702.48803.06371.7878
H101.10442.15162.60962.10553.49922.35703.06372.48801.7878

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 107.338 C1 C2 H7 109.076
C1 C2 H8 109.076 C1 O4 H6 108.225
C2 C1 O4 107.338 C2 C1 H9 109.076
C2 C1 H10 109.076 C2 O3 H5 108.225
O3 C2 H7 111.619 O3 C2 H8 111.619
O4 C1 H9 111.619 O4 C1 H10 111.619
H7 C2 H8 108.064 H9 C1 H10 108.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.024      
2 C -0.024      
3 O -0.319      
4 O -0.319      
5 H 0.190      
6 H 0.190      
7 H 0.076      
8 H 0.076      
9 H 0.076      
10 H 0.076      


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 -26.706 6.134 0.000
y 6.134 -19.153 0.000
z 0.000 0.000 -25.743
Traceless
 xyz
x -4.257 6.134 0.000
y 6.134 7.071 0.000
z 0.000 0.000 -2.814
Polar
3z2-r2-5.627
x2-y2-7.552
xy6.134
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.315 0.038 0.000
y 0.038 6.301 0.000
z 0.000 0.000 4.757


<r2> (average value of r2) Å2
<r2> 96.398
(<r2>)1/2 9.818