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All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-153.444420
Energy at 298.15K-153.448593
Nuclear repulsion energy70.367418
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 MP2/6-31G(2df,p)
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' 3848 3635 41.38      
2 A' 3339 3154 2.76      
3 A' 3266 3084 4.73      
4 A' 3226 3047 4.28      
5 A' 1722 1627 131.93      
6 A' 1465 1383 13.72      
7 A' 1384 1307 1.62      
8 A' 1343 1269 5.50      
9 A' 1136 1073 171.38      
10 A' 972 918 6.81      
11 A' 490 463 12.65      
12 A" 1022 965 26.20      
13 A" 829 783 52.68      
14 A" 732 691 0.11      
15 A" 479 452 105.09      

Unscaled Zero Point Vibrational Energy (zpe) 12625.7 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 11925.0 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 MP2/6-31G(2df,p)
ABC
2.03219 0.35204 0.30006

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.213 -0.113 0.000
C2 0.000 0.440 0.000
O3 -1.195 -0.206 0.000
H4 1.357 -1.186 0.000
H5 2.088 0.518 0.000
H6 -0.149 1.512 0.000
H7 -1.018 -1.153 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.33342.40981.08251.07862.12122.4616
C21.33341.35802.11812.08941.08291.8901
O32.40981.35802.73393.36152.01140.9631
H41.08252.11812.73391.85423.09072.3757
H51.07862.08943.36151.85422.44833.5268
H62.12121.08292.01143.09072.44832.8031
H72.46161.89010.96312.37573.52682.8031

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 127.105 C1 C2 H6 122.427
C2 C1 H4 122.152 C2 C1 H5 119.676
C2 O3 H7 107.823 O3 C2 H6 110.467
H4 C1 H5 118.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability