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All results from a given calculation for CH2CHO (Vinyloxy radical)

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 2A"
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-28.560967
Energy at 298.15K-28.563605
HF Energy-28.313567
Nuclear repulsion energy34.208694
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' 3262 3183 5.62      
2 A' 3119 3044 8.03      
3 A' 3001 2929 80.61      
4 A' 1499 1463 10.42      
5 A' 1447 1412 7.60      
6 A' 1335 1303 2.59      
7 A' 1072 1046 20.34      
8 A' 965 942 23.37      
9 A' 499 487 16.80      
10 A" 1007 983 0.26      
11 A" 714 697 59.30      
12 A" 449 438 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 9183.7 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 8963.3 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
2.17216 0.36684 0.31384

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 0.000 0.440 0.000
H2 0.287 1.509 0.000
C3 1.082 -0.535 0.000
O4 -1.217 0.110 0.000
H5 2.126 -0.220 0.000
H6 0.835 -1.598 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 O4 H5 H6
C11.10681.45651.26132.22652.2023
H21.10682.19352.05442.52483.1548
C31.45652.19352.38781.09091.0907
O41.26132.05442.38783.35982.6698
H52.22652.52481.09093.35981.8878
H62.20233.15481.09072.66981.8878

picture of Vinyloxy radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 121.183 C1 C3 H6 118.974
H2 C1 C3 117.020 H2 C1 O4 120.201
C3 C1 O4 122.779 H5 C3 H6 119.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability