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All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-153.154368
Energy at 298.15K-153.158436
Nuclear repulsion energy68.721969
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 QCISD/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 A' 3622 3490 10.91      
2 A' 3235 3117 19.01      
3 A' 3209 3092 1.52      
4 A' 3134 3019 5.51      
5 A' 1690 1628 71.22      
6 A' 1484 1430 13.74      
7 A' 1373 1323 0.98      
8 A' 1342 1293 8.09      
9 A' 1093 1053 142.22      
10 A' 937 903 42.71      
11 A' 479 461 14.19      
12 A" 974 939 41.92      
13 A" 854 823 65.37      
14 A" 682 657 0.18      
15 A" 417 401 182.14      

Unscaled Zero Point Vibrational Energy (zpe) 12261.7 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 11815.4 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 QCISD/6-31G
ABC
1.93752 0.33504 0.28565

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.242 -0.069 0.000
C2 0.000 0.460 0.000
O3 -1.216 -0.260 0.000
H4 1.427 -1.147 0.000
H5 2.118 0.580 0.000
H6 -0.210 1.529 0.000
H7 -1.060 -1.228 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.35012.46551.09381.08972.15912.5777
C21.35011.41332.14922.12091.08901.9936
O32.46551.41332.78763.43772.05240.9802
H41.09382.14922.78761.86003.13682.4885
H51.08972.12093.43771.86002.51363.6562
H62.15911.08902.05243.13682.51362.8849
H72.57771.99360.98022.48853.65622.8849

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 126.274 C1 C2 H6 124.198
C2 C1 H4 122.799 C2 C1 H5 120.377
C2 O3 H7 111.516 O3 C2 H6 109.528
H4 C1 H5 116.825
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability