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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-230.223223
Energy at 298.15K-230.230261
Nuclear repulsion energy128.172445
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/LANL2DZ
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 3705 3561 0.00      
2 Ag 3040 2922 0.00      
3 Ag 1530 1471 0.00      
4 Ag 1476 1419 0.00      
5 Ag 1274 1225 0.00      
6 Ag 1033 993 0.00      
7 Ag 991 952 0.00      
8 Ag 465 447 0.00      
9 Au 3117 2996 129.79      
10 Au 1208 1161 2.58      
11 Au 860 827 0.04      
12 Au 259 249 380.29      
13 Au 117 112 27.80      
14 Bg 3086 2966 0.00      
15 Bg 1309 1258 0.00      
16 Bg 1143 1098 0.00      
17 Bg 227 218 0.00      
18 Bu 3706 3562 16.10      
19 Bu 3045 2927 114.54      
20 Bu 1538 1478 7.36      
21 Bu 1411 1356 1.27      
22 Bu 1185 1139 97.35      
23 Bu 1003 964 205.25      
24 Bu 286 275 31.81      

Unscaled Zero Point Vibrational Energy (zpe) 18505.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 17787.7 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/LANL2DZ
ABC
0.98676 0.12959 0.11980

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.762 0.000
C2 0.000 -0.762 0.000
O3 1.409 -1.163 0.000
O4 -1.409 1.163 0.000
H5 1.493 -2.139 0.000
H6 -1.493 2.139 0.000
H7 -0.522 -1.132 0.894
H8 -0.522 -1.132 -0.894
H9 0.522 1.132 0.894
H10 0.522 1.132 -0.894

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52432.38581.46513.26242.03062.15862.15861.09961.0996
C21.52431.46512.38582.03063.26241.09961.09962.15862.1586
O32.38581.46513.65440.97914.39582.12852.12852.61792.6179
O41.46512.38583.65444.39580.97912.61792.61792.12852.1285
H53.26242.03060.97914.39585.21632.42362.42363.52673.5267
H62.03063.26244.39580.97915.21633.52673.52672.42362.4236
H72.15861.09962.12852.61792.42363.52671.78892.49273.0682
H82.15861.09962.12852.61792.42363.52671.78893.06822.4927
H91.09962.15862.61792.12853.52672.42362.49273.06821.7889
H101.09962.15862.61792.12853.52672.42363.06822.49271.7889

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 105.881 C1 C2 H7 109.641
C1 C2 H8 109.641 C1 O4 H6 110.790
C2 C1 O4 105.881 C2 C1 H9 109.641
C2 C1 H10 109.641 C2 O3 H5 110.790
O3 C2 H7 111.384 O3 C2 H8 111.384
O4 C1 H9 111.384 O4 C1 H10 111.384
H7 C2 H8 108.865 H9 C1 H10 108.865
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.241      
2 C -0.241      
3 O -0.505      
4 O -0.505      
5 H 0.354      
6 H 0.354      
7 H 0.196      
8 H 0.196      
9 H 0.196      
10 H 0.196      


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 4.425 -0.627 0.000
y -0.627 4.869 0.000
z 0.000 0.000 3.263


<r2> (average value of r2) Å2
<r2> 97.957
(<r2>)1/2 9.897