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All results from a given calculation for CH3CHCH (1-propenyl radical)

using model chemistry: ROMP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at ROMP2/6-31G
 hartrees
Energy at 0K-116.629501
Energy at 298.15K-116.633534
HF Energy-116.376822
Nuclear repulsion energy63.613894
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 ROMP2/6-31G
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' 3272 3272        
2 A' 3156 3156        
3 A' 3095 3095        
4 A' 3057 3057        
5 A' 1677 1677        
6 A' 1566 1566        
7 A' 1486 1486        
8 A' 1348 1348        
9 A' 1164 1164        
10 A' 972 972        
11 A' 860 860        
12 A' 431 431        
13 A" 3130 3130        
14 A" 1559 1559        
15 A" 1125 1125        
16 A" 845 845        
17 A" 638 638        
18 A" 184 184        

Unscaled Zero Point Vibrational Energy (zpe) 14780.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14780.9 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 ROMP2/6-31G
ABC
1.86544 0.31192 0.28142

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.455 0.000
C2 1.328 0.324 0.000
C3 -0.994 -0.696 0.000
H4 -0.436 1.464 0.000
H5 2.176 1.002 0.000
H6 -0.466 -1.659 0.000
H7 -1.641 -0.655 0.888
H8 -1.641 -0.655 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.33461.52111.09902.24392.16492.17092.1709
C21.33462.53622.10021.08592.67423.24993.2499
C31.52112.53622.23153.59631.09761.09971.0997
H41.09902.10022.23152.65253.12332.59442.5944
H52.24391.08593.59632.65253.75014.25494.2549
H62.16492.67421.09763.12333.75011.78251.7825
H72.17093.24991.09972.59444.25491.78251.7762
H82.17093.24991.09972.59444.25491.78251.7762

picture of 1-propenyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 135.714 C1 C3 H6 110.483
C1 C3 H7 110.838 C1 C3 H8 110.838
C2 C1 C3 125.149 C2 C1 H4 118.995
C3 C1 H4 115.856 H6 C3 H7 108.431
H6 C3 H8 108.431 H7 C3 H8 107.721
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability