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All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: MP2/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-29.200271
Energy at 298.15K-29.204239
Nuclear repulsion energy38.839226
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/CEP-121G
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' 3614 3528 22.36      
2 A' 3230 3153 24.14      
3 A' 3200 3123 1.89      
4 A' 3106 3031 5.24      
5 A' 1618 1579 98.69      
6 A' 1452 1418 19.50      
7 A' 1339 1306 3.25      
8 A' 1298 1267 2.98      
9 A' 1061 1036 163.55      
10 A' 914 892 44.70      
11 A' 461 450 13.71      
12 A" 938 915 85.09      
13 A" 733 716 52.16      
14 A" 642 627 3.33      
15 A" 392 383 153.89      

Unscaled Zero Point Vibrational Energy (zpe) 11999.3 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 11711.4 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 MP2/CEP-121G
ABC
1.90383 0.32905 0.28056

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.256 -0.074 0.000
C2 0.000 0.467 0.000
O3 -1.227 -0.261 0.000
H4 1.432 -1.153 0.000
H5 2.124 0.585 0.000
H6 -0.211 1.535 0.000
H7 -1.065 -1.233 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.36782.49081.09371.08972.17742.5949
C21.36781.42712.16222.12741.08872.0060
O32.49081.42712.80473.45672.06390.9850
H41.09372.16222.80471.87153.15052.4983
H51.08972.12743.45671.87152.52073.6712
H62.17741.08872.06393.15052.52072.8967
H72.59492.00600.98502.49833.67122.8967

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 126.037 C1 C2 H6 124.450
C2 C1 H4 122.510 C2 C1 H5 119.497
C2 O3 H7 111.210 O3 C2 H6 109.513
H4 C1 H5 117.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability