return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: CCD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCD/6-311G**
 hartrees
Energy at 0K-116.891340
Energy at 298.15K-116.895436
HF Energy-116.458399
Nuclear repulsion energy64.430498
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 CCD/6-311G**
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' 3285 3137 0.16      
2 A' 3165 3022 18.49      
3 A' 3100 2961 11.87      
4 A' 3064 2927 24.65      
5 A' 1850 1767 5.49      
6 A' 1516 1448 8.24      
7 A' 1437 1373 2.19      
8 A' 1303 1245 2.00      
9 A' 1148 1096 5.21      
10 A' 957 914 2.05      
11 A' 840 802 16.19      
12 A' 420 401 7.40      
13 A" 3131 2991 21.74      
14 A" 1508 1440 6.74      
15 A" 1110 1060 4.34      
16 A" 939 897 7.50      
17 A" 668 638 58.19      
18 A" 209 200 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 14824.3 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 14158.7 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 CCD/6-311G**
ABC
1.92068 0.32004 0.28917

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.447 0.000
C2 1.293 0.355 0.000
C3 -0.965 -0.714 0.000
H4 -0.447 1.448 0.000
H5 2.130 1.040 0.000
H6 -0.428 -1.666 0.000
H7 -1.611 -0.674 0.885
H8 -1.611 -0.674 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.29651.51041.09632.21142.15622.15302.1530
C21.29652.49882.05561.08202.65443.20563.2056
C31.51042.49882.22363.55841.09291.09601.0960
H41.09632.05562.22362.61003.11422.57682.5768
H52.21141.08203.55842.61003.72414.20944.2094
H62.15622.65441.09293.11423.72411.77941.7794
H72.15303.20561.09602.57684.20941.77941.7693
H82.15303.20561.09602.57684.20941.77941.7693

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 136.607 C1 C3 H6 110.821
C1 C3 H7 110.379 C1 C3 H8 110.379
C2 C1 C3 125.635 C2 C1 H4 118.183
C3 C1 H4 116.182 H6 C3 H7 108.767
H6 C3 H8 108.767 H7 C3 H8 107.646
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability