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All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-152.338438
Energy at 298.15K-152.342616
Nuclear repulsion energy69.069123
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 MP2/3-21G*
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' 3514 3343 9.31      
2 A' 3296 3135 9.32      
3 A' 3248 3090 4.93      
4 A' 3195 3039 4.49      
5 A' 1684 1602 77.49      
6 A' 1527 1453 17.48      
7 A' 1406 1338 0.72      
8 A' 1381 1314 13.17      
9 A' 1107 1053 129.54      
10 A' 960 913 49.69      
11 A' 492 468 14.30      
12 A" 1031 981 35.62      
13 A" 869 827 89.27      
14 A" 713 678 0.15      
15 A" 487 463 154.42      

Unscaled Zero Point Vibrational Energy (zpe) 12454.4 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 11847.9 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 MP2/3-21G*
ABC
1.99642 0.33664 0.28807

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.238 -0.067 0.000
C2 0.000 0.447 0.000
O3 -1.217 -0.252 0.000
H4 1.428 -1.136 0.000
H5 2.099 0.588 0.000
H6 -0.191 1.513 0.000
H7 -1.033 -1.228 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.34082.46221.08621.08202.13052.5507
C21.34081.40322.13232.10421.08301.9677
O32.46221.40322.78923.42112.04130.9936
H41.08622.13232.78921.85063.10502.4627
H51.08202.10423.42111.85062.47003.6207
H62.13051.08302.04133.10502.47002.8674
H72.55071.96770.99362.46273.62072.8674

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 127.605 C1 C2 H6 122.686
C2 C1 H4 122.606 C2 C1 H5 120.200
C2 O3 H7 109.176 O3 C2 H6 109.710
H4 C1 H5 117.194
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability