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

using model chemistry: CCD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CCD/6-31G*
 hartrees
Energy at 0K-229.568624
Energy at 298.15K-229.575839
HF Energy-228.919995
Nuclear repulsion energy130.203646
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 CCD/6-31G*
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 3807 3604 0.00      
2 Ag 3052 2889 0.00      
3 Ag 1584 1499 0.00      
4 Ag 1544 1462 0.00      
5 Ag 1337 1265 0.00      
6 Ag 1134 1073 0.00      
7 Ag 1031 976 0.00      
8 Ag 490 464 0.00      
9 Au 3111 2944 104.47      
10 Au 1258 1191 2.95      
11 Au 856 810 3.88      
12 Au 261 247 277.62      
13 Au 137 130 26.43      
14 Bg 3086 2921 0.00      
15 Bg 1337 1266 0.00      
16 Bg 1198 1134 0.00      
17 Bg 256 243 0.00      
18 Bu 3808 3604 48.57      
19 Bu 3056 2892 86.90      
20 Bu 1592 1507 6.18      
21 Bu 1452 1375 15.47      
22 Bu 1229 1163 130.82      
23 Bu 1121 1061 178.16      
24 Bu 303 287 24.49      

Unscaled Zero Point Vibrational Energy (zpe) 19019.9 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 18002.3 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 CCD/6-31G*
ABC
1.00894 0.13408 0.12392

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.758 0.000
C2 0.000 -0.758 0.000
O3 1.366 -1.164 0.000
O4 -1.366 1.164 0.000
H5 1.390 -2.132 0.000
H6 -1.390 2.132 0.000
H7 -0.535 -1.119 0.891
H8 -0.535 -1.119 -0.891
H9 0.535 1.119 0.891
H10 0.535 1.119 -0.891

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51512.35731.42503.20671.95482.14482.14481.10011.1001
C21.51511.42502.35731.95483.20671.10011.10012.14482.1448
O32.35731.42503.58880.96904.29622.09962.09962.58742.5874
O41.42502.35733.58884.29620.96902.58742.58742.09962.0996
H53.20671.95480.96904.29625.09052.35042.35043.47783.4778
H61.95483.20674.29620.96905.09053.47783.47782.35042.3504
H72.14481.10012.09962.58742.35043.47781.78212.47983.0537
H82.14481.10012.09962.58742.35043.47781.78213.05372.4798
H91.10012.14482.58742.09963.47782.35042.47983.05371.7821
H101.10012.14482.58742.09963.47782.35043.05372.47981.7821

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 106.560 C1 C2 H7 109.165
C1 C2 H8 109.165 C1 O4 H6 107.961
C2 C1 O4 106.560 C2 C1 H9 109.165
C2 C1 H10 109.165 C2 O3 H5 107.961
O3 C2 H7 111.857 O3 C2 H8 111.857
O4 C1 H9 111.857 O4 C1 H10 111.857
H7 C2 H8 108.182 H9 C1 H10 108.182
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability