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All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: CCD/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 CCD/3-21G
 hartrees
Energy at 0K-152.359446
Energy at 298.15K-152.363589
Nuclear repulsion energy69.027143
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 CCD/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' 3530 3432 2.86      
2 A' 3243 3153 11.17      
3 A' 3200 3111 4.40      
4 A' 3150 3062 5.03      
5 A' 1707 1660 60.99      
6 A' 1516 1474 14.32      
7 A' 1406 1367 7.01      
8 A' 1374 1336 7.03      
9 A' 1106 1075 123.37      
10 A' 954 927 47.04      
11 A' 490 476 13.98      
12 A" 1011 983 29.42      
13 A" 887 863 79.53      
14 A" 702 683 0.03      
15 A" 444 432 158.62      

Unscaled Zero Point Vibrational Energy (zpe) 12360.0 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 12017.6 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 CCD/3-21G
ABC
1.98529 0.33688 0.28801

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.237 -0.063 0.000
C2 0.000 0.449 0.000
O3 -1.216 -0.257 0.000
H4 1.430 -1.135 0.000
H5 2.103 0.592 0.000
H6 -0.195 1.518 0.000
H7 -1.032 -1.232 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.33842.46021.08961.08552.13262.5517
C21.33841.40612.13422.10741.08651.9719
O32.46021.40612.78783.42532.04790.9914
H41.08962.13422.78781.85323.11122.4638
H51.08552.10743.42531.85322.47713.6260
H62.13261.08652.04793.11122.47712.8739
H72.55171.97190.99142.46383.62602.8739

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 127.360 C1 C2 H6 122.817
C2 C1 H4 122.715 C2 C1 H5 120.423
C2 O3 H7 109.452 O3 C2 H6 109.823
H4 C1 H5 116.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability