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All results from a given calculation for CH3CHCH (1-propenyl 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-19.475100
Energy at 298.15K-19.479193
HF Energy-19.247010
Nuclear repulsion energy35.387324
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' 3205 3128 3.11      
2 A' 3097 3022 30.96      
3 A' 3049 2976 14.23      
4 A' 2974 2903 39.39      
5 A' 1675 1635 3.81      
6 A' 1527 1490 8.95      
7 A' 1458 1423 3.71      
8 A' 1317 1285 2.57      
9 A' 1150 1122 5.80      
10 A' 947 924 0.79      
11 A' 849 828 13.41      
12 A' 423 413 7.41      
13 A" 3068 2994 34.44      
14 A" 1505 1469 9.33      
15 A" 1129 1102 7.77      
16 A" 950 927 8.42      
17 A" 680 664 78.83      
18 A" 191 187 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 14596.7 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 14246.4 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
1.85983 0.31006 0.27992

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 0.459 0.000
C2 1.320 0.351 0.000
C3 -0.986 -0.720 0.000
H4 -0.455 1.463 0.000
H5 2.163 1.042 0.000
H6 -0.443 -1.678 0.000
H7 -1.634 -0.682 0.892
H8 -1.634 -0.682 -0.892

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.32431.53721.10212.23992.18242.18332.1833
C21.32432.54242.09481.08992.68773.25373.2537
C31.53722.54242.24653.60821.10051.10331.1033
H41.10212.09482.24652.65193.14042.60422.6042
H52.23991.08993.60822.65193.76654.26384.2638
H62.18242.68771.10053.14043.76651.79061.7906
H72.18333.25371.10332.60424.26381.79061.7843
H82.18333.25371.10332.60424.26381.79061.7843

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 135.972 C1 C3 H6 110.564
C1 C3 H7 110.466 C1 C3 H8 110.466
C2 C1 C3 125.201 C2 C1 H4 119.105
C3 C1 H4 115.694 H6 C3 H7 108.676
H6 C3 H8 108.676 H7 C3 H8 107.919
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability