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: MP4/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 MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-116.995881
Energy at 298.15K-116.999990
HF Energy-116.472148
Nuclear repulsion energy64.561008
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 MP4/aug-cc-pVTZ
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' 3261 3174        
2 A' 3133 3049        
3 A' 3051 2969        
4 A' 3032 2950        
5 A' 1898 1847        
6 A' 1506 1465        
7 A' 1407 1369        
8 A' 1283 1248        
9 A' 1128 1098        
10 A' 940 914        
11 A' 829 807        
12 A' 418 407        
13 A" 3100 3017        
14 A" 1494 1454        
15 A" 1095 1066        
16 A" 917 892        
17 A" 676 658        
18 A" 227 221        

Unscaled Zero Point Vibrational Energy (zpe) 14697.1 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 14303.2 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 MP4/aug-cc-pVTZ
ABC
1.93770 0.32076 0.29004

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.445 0.000
C2 1.290 0.361 0.000
C3 -0.961 -0.717 0.000
H4 -0.454 1.442 0.000
H5 2.125 1.045 0.000
H6 -0.425 -1.667 0.000
H7 -1.607 -0.678 0.882
H8 -1.607 -0.678 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.29221.50781.09562.20822.15362.14942.1494
C21.29222.49592.05091.07932.65573.20133.2013
C31.50782.49592.21773.55381.09081.09351.0935
H41.09562.05092.21772.60923.10872.56922.5692
H52.20821.07933.55382.60923.72214.20414.2041
H62.15362.65571.09083.10873.72211.77571.7757
H72.14943.20131.09352.56924.20411.77571.7631
H82.14943.20131.09352.56924.20411.77571.7631

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 137.038 C1 C3 H6 110.925
C1 C3 H7 110.426 C1 C3 H8 110.426
C2 C1 C3 125.927 C2 C1 H4 118.149
C3 C1 H4 115.923 H6 C3 H7 108.765
H6 C3 H8 108.765 H7 C3 H8 107.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability