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

using model chemistry: BLYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-230.241428
Energy at 298.15K-230.248391
Nuclear repulsion energy128.983863
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/6-311G**
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 3702 3688 0.00      
2 Ag 2897 2886 0.00      
3 Ag 1486 1481 0.00      
4 Ag 1443 1437 0.00      
5 Ag 1263 1259 0.00      
6 Ag 1014 1010 0.00      
7 Ag 955 952 0.00      
8 Ag 462 460 0.00      
9 Au 2946 2935 128.36      
10 Au 1182 1178 0.55      
11 Au 829 825 2.12      
12 Au 225 224 221.55      
13 Au 119 119 26.78      
14 Bg 2916 2905 0.00      
15 Bg 1269 1264 0.00      
16 Bg 1124 1120 0.00      
17 Bg 211 210 0.00      
18 Bu 3703 3689 36.34      
19 Bu 2903 2892 126.92      
20 Bu 1496 1491 4.04      
21 Bu 1379 1374 3.29      
22 Bu 1173 1168 94.90      
23 Bu 999 995 197.74      
24 Bu 286 284 19.36      

Unscaled Zero Point Vibrational Energy (zpe) 17989.8 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 17919.7 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 BLYP/6-311G**
ABC
0.99669 0.13097 0.12114

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.442 0.623 0.000
C2 -0.442 -0.623 0.000
O3 0.442 -1.763 0.000
O4 -0.442 1.763 0.000
H5 -0.113 -2.559 0.000
H6 0.113 2.559 0.000
H7 -1.090 -0.604 0.896
H8 -1.090 -0.604 -0.896
H9 1.090 0.604 0.896
H10 1.090 0.604 -0.896

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.52852.38631.44203.23101.96372.15742.15741.10551.1055
C21.52851.44202.38631.96373.23101.10551.10552.15742.1574
O32.38631.44203.63470.97094.33482.11952.11952.61192.6119
O41.44202.38633.63474.33480.97092.61192.61192.11952.1195
H53.23101.96370.97094.33485.12392.36252.36253.50063.5006
H61.96373.23104.33480.97095.12393.50063.50062.36252.3625
H72.15741.10552.11952.61192.36253.50061.79112.49173.0687
H82.15741.10552.11952.61192.36253.50061.79113.06872.4917
H91.10552.15742.61192.11953.50062.36252.49173.06871.7911
H101.10552.15742.61192.11953.50062.36253.06872.49171.7911

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 106.861 C1 C2 H7 108.920
C1 C2 H8 108.920 C1 O4 H6 107.330
C2 C1 O4 106.861 C2 C1 H9 108.920
C2 C1 H10 108.920 C2 O3 H5 107.330
O3 C2 H7 111.927 O3 C2 H8 111.927
O4 C1 H9 111.927 O4 C1 H10 111.927
H7 C2 H8 108.209 H9 C1 H10 108.209
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.033      
2 C -0.033      
3 O -0.387      
4 O -0.387      
5 H 0.236      
6 H 0.236      
7 H 0.092      
8 H 0.092      
9 H 0.092      
10 H 0.092      


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 -26.604 6.155 0.000
y 6.155 -18.951 0.000
z 0.000 0.000 -25.564
Traceless
 xyz
x -4.346 6.155 0.000
y 6.155 7.133 0.000
z 0.000 0.000 -2.787
Polar
3z2-r2-5.573
x2-y2-7.653
xy6.155
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.802 0.145 0.000
y 0.145 5.819 0.000
z 0.000 0.000 4.173


<r2> (average value of r2) Å2
<r2> 97.205
(<r2>)1/2 9.859