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/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-116.971782
Energy at 298.15K-116.975890
HF Energy-116.472189
Nuclear repulsion energy64.702140
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/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3287 3146 0.71      
2 A' 3161 3025 13.17      
3 A' 3097 2964 7.86      
4 A' 3062 2930 20.85      
5 A' 1888 1807 9.83      
6 A' 1516 1450 9.79      
7 A' 1434 1372 2.21      
8 A' 1305 1249 1.61      
9 A' 1145 1096 3.78      
10 A' 955 914 2.74      
11 A' 825 790 15.10      
12 A' 418 400 8.35      
13 A" 3127 2992 13.50      
14 A" 1513 1448 6.63      
15 A" 1115 1067 4.53      
16 A" 942 902 7.26      
17 A" 671 642 60.50      
18 A" 217 208 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 14838.5 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 14200.4 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 CCD/aug-cc-pVTZ
ABC
1.94951 0.32194 0.29119

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.443 0.000
C2 1.288 0.359 0.000
C3 -0.961 -0.713 0.000
H4 -0.444 1.440 0.000
H5 2.126 1.034 0.000
H6 -0.429 -1.662 0.000
H7 -1.606 -0.672 0.880
H8 -1.606 -0.672 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.29041.50371.09142.20702.14802.14342.1434
C21.29042.49152.04141.07692.65123.19473.1947
C31.50372.49152.21473.54801.08791.09101.0910
H41.09142.04142.21472.60203.10202.56582.5658
H52.20701.07693.54802.60203.71464.19664.1966
H62.14802.65121.08793.10203.71461.77161.7716
H72.14343.19471.09102.56584.19661.77161.7592
H82.14343.19471.09102.56584.19661.77161.7592

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 137.407 C1 C3 H6 110.944
C1 C3 H7 110.381 C1 C3 H8 110.381
C2 C1 C3 126.002 C2 C1 H4 117.733
C3 C1 H4 116.265 H6 C3 H7 108.794
H6 C3 H8 108.794 H7 C3 H8 107.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability