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

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-230.173326
Energy at 298.15K-230.180453
Nuclear repulsion energy130.470260
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 B3PW91/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 3837 3703 0.00      
2 Ag 2984 2879 0.00      
3 Ag 1501 1448 0.00      
4 Ag 1485 1433 0.00      
5 Ag 1293 1248 0.00      
6 Ag 1115 1076 0.00      
7 Ag 1003 968 0.00      
8 Ag 482 465 0.00      
9 Au 3041 2934 126.76      
10 Au 1211 1168 1.19      
11 Au 836 806 1.96      
12 Au 251 242 228.67      
13 Au 125 120 20.52      
14 Bg 3012 2906 0.00      
15 Bg 1291 1245 0.00      
16 Bg 1152 1112 0.00      
17 Bg 243 234 0.00      
18 Bu 3838 3704 71.66      
19 Bu 2987 2882 120.76      
20 Bu 1509 1456 5.76      
21 Bu 1402 1353 10.75      
22 Bu 1193 1151 84.67      
23 Bu 1106 1067 225.91      
24 Bu 287 277 18.16      

Unscaled Zero Point Vibrational Energy (zpe) 18590.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17940.2 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 B3PW91/cc-pVDZ
ABC
1.01615 0.13437 0.12430

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.757 0.000
C2 0.000 -0.757 0.000
O3 1.350 -1.178 0.000
O4 -1.350 1.178 0.000
H5 1.356 -2.142 0.000
H6 -1.356 2.142 0.000
H7 -0.552 -1.113 0.893
H8 -0.552 -1.113 -0.893
H9 0.552 1.113 0.893
H10 0.552 1.113 -0.893

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51472.35951.41403.20101.93812.14462.14461.10831.1083
C21.51471.41402.35951.93813.20101.10831.10832.14462.1446
O32.35951.41403.58310.96474.28312.10212.10212.58482.5848
O41.41402.35953.58314.28310.96472.58482.58482.10212.1021
H53.20101.93810.96474.28315.07062.34442.34443.46983.4698
H61.93813.20104.28310.96475.07063.46983.46982.34442.3444
H72.14461.10832.10212.58482.34443.46981.78602.48423.0596
H82.14461.10832.10212.58482.34443.46981.78603.05962.4842
H91.10832.14462.58482.10213.46982.34442.48423.05961.7860
H101.10832.14462.58482.10213.46982.34443.05962.48421.7860

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 107.294 C1 C2 H7 108.705
C1 C2 H8 108.705 C1 O4 H6 107.633
C2 C1 O4 107.294 C2 C1 H9 108.705
C2 C1 H10 108.705 C2 O3 H5 107.633
O3 C2 H7 112.337 O3 C2 H8 112.337
O4 C1 H9 112.337 O4 C1 H10 112.337
H7 C2 H8 107.367 H9 C1 H10 107.367
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.071      
2 C 0.071      
3 O -0.282      
4 O -0.282      
5 H 0.151      
6 H 0.151      
7 H 0.030      
8 H 0.030      
9 H 0.030      
10 H 0.030      


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> 94.819
(<r2>)1/2 9.737