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

using model chemistry: MP2/aug-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 MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-229.673932
Energy at 298.15K-229.681046
Nuclear repulsion energy129.638290
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 MP2/aug-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 3845 3687 0.00      
2 Ag 3057 2931 0.00      
3 Ag 1519 1457 0.00      
4 Ag 1475 1415 0.00      
5 Ag 1287 1235 0.00      
6 Ag 1082 1038 0.00      
7 Ag 1008 967 0.00      
8 Ag 477 458 0.00      
9 Au 3129 3001 63.79      
10 Au 1220 1170 0.87      
11 Au 834 800 1.42      
12 Au 249 238 204.80      
13 Au 116 112 38.26      
14 Bg 3106 2978 0.00      
15 Bg 1300 1247 0.00      
16 Bg 1157 1109 0.00      
17 Bg 245 235 0.00      
18 Bu 3845 3688 83.89      
19 Bu 3061 2935 88.04      
20 Bu 1524 1461 5.46      
21 Bu 1392 1335 10.23      
22 Bu 1191 1142 78.22      
23 Bu 1059 1016 208.38      
24 Bu 290 278 20.20      

Unscaled Zero Point Vibrational Energy (zpe) 18733.5 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 17965.5 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 MP2/aug-cc-pVDZ
ABC
0.99841 0.13291 0.12285

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.759 0.000
C2 0.000 -0.759 0.000
O3 1.379 -1.162 0.000
O4 -1.379 1.162 0.000
H5 1.410 -2.127 0.000
H6 -1.410 2.127 0.000
H7 -0.528 -1.126 0.897
H8 -0.528 -1.126 -0.897
H9 0.528 1.126 0.897
H10 0.528 1.126 -0.897

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51892.36511.43643.21261.96442.15382.15381.10371.1037
C21.51891.43642.36511.96443.21261.10371.10372.15382.1538
O32.36511.43643.60650.96564.31242.10752.10752.60102.6010
O41.43642.36513.60654.31240.96562.60102.60102.10752.1075
H53.21261.96440.96564.31245.10422.35852.35853.48813.4881
H61.96443.21264.31240.96565.10423.48813.48812.35852.3585
H72.15381.10372.10752.60102.35853.48811.79482.48713.0671
H82.15381.10372.10752.60102.35853.48811.79483.06712.4871
H91.10372.15382.60102.10753.48812.35852.48713.06711.7948
H101.10372.15382.60102.10753.48812.35853.06712.48711.7948

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 106.282 C1 C2 H7 109.396
C1 C2 H8 109.396 C1 O4 H6 108.134
C2 C1 O4 106.282 C2 C1 H9 109.396
C2 C1 H10 109.396 C2 O3 H5 108.134
O3 C2 H7 111.461 O3 C2 H8 111.461
O4 C1 H9 111.461 O4 C1 H10 111.461
H7 C2 H8 108.794 H9 C1 H10 108.794
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability