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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-19.645060
Energy at 298.15K-19.649150
HF Energy-19.294522
Nuclear repulsion energy35.824307
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' 3287 3132 0.36      
2 A' 3193 3042 17.14      
3 A' 3113 2966 12.37      
4 A' 3073 2928 28.17      
5 A' 1870 1781 7.17      
6 A' 1531 1458 10.33      
7 A' 1446 1378 3.19      
8 A' 1304 1242 1.93      
9 A' 1153 1099 5.05      
10 A' 955 910 2.48      
11 A' 849 808 15.53      
12 A' 418 398 8.87      
13 A" 3159 3010 21.41      
14 A" 1520 1448 9.30      
15 A" 1120 1067 7.30      
16 A" 937 893 11.94      
17 A" 677 645 77.73      
18 A" 208 198 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 14905.2 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 14201.7 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
1.91107 0.31880 0.28794

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 0.450 0.000
C2 1.296 0.354 0.000
C3 -0.968 -0.718 0.000
H4 -0.444 1.453 0.000
H5 2.130 1.046 0.000
H6 -0.427 -1.666 0.000
H7 -1.613 -0.676 0.885
H8 -1.613 -0.676 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.29921.51631.09702.21182.15832.15612.1561
C21.29922.50472.05741.08372.65503.20963.2096
C31.51632.50472.23273.56471.09211.09531.0953
H41.09702.05742.23272.60583.11892.58412.5841
H52.21181.08373.56472.60583.72724.21344.2134
H62.15832.65501.09213.11893.72721.78041.7804
H72.15613.20961.09532.58414.21341.78041.7692
H82.15613.20961.09532.58414.21341.78041.7692

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 136.129 C1 C3 H6 110.616
C1 C3 H7 110.254 C1 C3 H8 110.254
C2 C1 C3 125.467 C2 C1 H4 118.077
C3 C1 H4 116.455 H6 C3 H7 108.962
H6 C3 H8 108.962 H7 C3 H8 107.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability