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All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: MP2=FULL/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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-153.466222
Energy at 298.15K-153.470404
Nuclear repulsion energy70.518855
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/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' 3854 3622 42.10      
2 A' 3349 3148 2.61      
3 A' 3271 3075 4.77      
4 A' 3235 3041 4.57      
5 A' 1730 1626 135.42      
6 A' 1469 1381 13.63      
7 A' 1389 1306 1.75      
8 A' 1346 1265 5.28      
9 A' 1140 1072 172.06      
10 A' 977 919 6.25      
11 A' 492 462 12.81      
12 A" 1026 965 25.71      
13 A" 830 781 53.04      
14 A" 736 692 0.24      
15 A" 482 453 105.84      

Unscaled Zero Point Vibrational Energy (zpe) 12663.7 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 11902.6 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/6-31G(2df,p)
ABC
2.04629 0.35330 0.30128

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.211 -0.113 0.000
C2 0.000 0.437 0.000
O3 -1.192 -0.204 0.000
H4 1.357 -1.184 0.000
H5 2.084 0.517 0.000
H6 -0.146 1.509 0.000
H7 -1.022 -1.151 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.33002.40501.08101.07692.11452.4622
C21.33001.35392.11452.08591.08161.8885
O32.40501.35392.73163.35512.00750.9622
H41.08102.11452.73161.84983.08412.3794
H51.07692.08593.35511.84982.44083.5256
H62.11451.08162.00753.08412.44082.8005
H72.46221.88850.96222.37943.52562.8005

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 127.292 C1 C2 H6 122.182
C2 C1 H4 122.224 C2 C1 H5 119.766
C2 O3 H7 108.058 O3 C2 H6 110.526
H4 C1 H5 118.010
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability