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

using model chemistry: MP2=FULL/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=FULL/cc-pVDZ
 hartrees
Energy at 0K-229.617530
Energy at 298.15K-229.624724
HF Energy-228.947826
Nuclear repulsion energy130.354364
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=FULL/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 3873 3681 0.00      
2 Ag 3052 2901 0.00      
3 Ag 1534 1457 0.00      
4 Ag 1512 1437 0.00      
5 Ag 1309 1244 0.00      
6 Ag 1128 1072 0.00      
7 Ag 1025 974 0.00      
8 Ag 488 464 0.00      
9 Au 3121 2966 114.99      
10 Au 1235 1174 1.73      
11 Au 848 806 3.66      
12 Au 257 244 229.39      
13 Au 133 127 23.89      
14 Bg 3096 2942 0.00      
15 Bg 1313 1248 0.00      
16 Bg 1176 1118 0.00      
17 Bg 253 240 0.00      
18 Bu 3874 3682 78.29      
19 Bu 3054 2903 106.10      
20 Bu 1542 1465 6.08      
21 Bu 1423 1353 9.34      
22 Bu 1209 1149 97.45      
23 Bu 1113 1058 197.26      
24 Bu 290 276 19.45      

Unscaled Zero Point Vibrational Energy (zpe) 18928.0 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 17989.2 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 MP2=FULL/cc-pVDZ
ABC
1.00862 0.13442 0.12424

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

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 1.359 -1.170 0.000
O4 -1.359 1.170 0.000
H5 1.357 -2.134 0.000
H6 -1.357 2.134 0.000
H7 -0.548 -1.112 0.894
H8 -0.548 -1.112 -0.894
H9 0.548 1.112 0.894
H10 0.548 1.112 -0.894

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8 H9 H10
C11.51592.35821.41963.19461.93252.14372.14371.10671.1067
C21.51591.41962.35821.93253.19461.10671.10672.14372.1437
O32.35821.41963.58540.96484.27642.10682.10682.58072.5807
O41.41962.35823.58544.27640.96482.58072.58072.10682.1068
H53.19461.93250.96484.27645.05792.33942.33943.46263.4626
H61.93253.19464.27640.96485.05793.46263.46262.33942.3394
H72.14371.10672.10682.58072.33943.46261.78772.47933.0566
H82.14371.10672.10682.58072.33943.46261.78773.05662.4793
H91.10672.14372.58072.10683.46262.33942.47933.05661.7877
H101.10672.14372.58072.10683.46262.33943.05662.47931.7877

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 106.853 C1 C2 H7 108.647
C1 C2 H8 108.647 C1 O4 H6 106.726
C2 C1 O4 106.853 C2 C1 H9 108.647
C2 C1 H10 108.647 C2 O3 H5 106.726
O3 C2 H7 112.423 O3 C2 H8 112.423
O4 C1 H9 112.423 O4 C1 H10 112.423
H7 C2 H8 107.738 H9 C1 H10 107.738
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability