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

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 2A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-116.019442
Energy at 298.15K-116.023587
HF Energy-115.783349
Nuclear repulsion energy64.248415
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' 3294 3133 2.00      
2 A' 3175 3021 14.37      
3 A' 3112 2960 7.64      
4 A' 3086 2936 17.76      
5 A' 1795 1707 0.61      
6 A' 1595 1518 7.18      
7 A' 1490 1417 2.88      
8 A' 1377 1310 3.03      
9 A' 1165 1109 12.21      
10 A' 969 922 0.36      
11 A' 861 819 12.04      
12 A' 445 424 6.70      
13 A" 3149 2996 18.71      
14 A" 1591 1513 7.92      
15 A" 1166 1109 1.73      
16 A" 1002 953 3.63      
17 A" 693 659 66.46      
18 A" 202 192 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15083.5 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 14349.0 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
1.89869 0.31817 0.28725

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 0.000 0.455 0.000
C2 1.294 0.363 0.000
C3 -0.965 -0.726 0.000
H4 -0.474 1.441 0.000
H5 2.120 1.060 0.000
H6 -0.408 -1.668 0.000
H7 -1.607 -0.694 0.887
H8 -1.607 -0.694 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.29721.52531.09432.20452.16182.16562.1656
C21.29722.50782.07091.08052.65023.21243.2124
C31.52532.50782.22253.56451.09351.09571.0957
H41.09432.07092.22252.62213.10982.57502.5750
H52.20451.08053.56452.62213.71924.21334.2133
H62.16182.65021.09353.10983.71921.78071.7807
H72.16563.21241.09572.57504.21331.78071.7748
H82.16563.21241.09572.57504.21331.78071.7748

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 135.805 C1 C3 H6 110.189
C1 C3 H7 110.352 C1 C3 H8 110.352
C2 C1 C3 125.173 C2 C1 H4 119.737
C3 C1 H4 115.089 H6 C3 H7 108.863
H6 C3 H8 108.863 H7 C3 H8 108.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability