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

using model chemistry: ROMP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at ROMP2/TZVP
 hartrees
Energy at 0K-116.869995
Energy at 298.15K-116.873989
HF Energy-116.460860
Nuclear repulsion energy64.400971
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 ROMP2/TZVP
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' 3308 3308        
2 A' 3194 3194        
3 A' 3117 3117        
4 A' 3086 3086        
5 A' 1692 1692        
6 A' 1515 1515        
7 A' 1433 1433        
8 A' 1291 1291        
9 A' 1143 1143        
10 A' 951 951        
11 A' 836 836        
12 A' 414 414        
13 A" 3163 3163        
14 A" 1497 1497        
15 A" 1077 1077        
16 A" 806 806        
17 A" 621 621        
18 A" 192 192        

Unscaled Zero Point Vibrational Energy (zpe) 14667.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14667.2 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 ROMP2/TZVP
ABC
1.90520 0.32054 0.28909

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.450 0.000
C2 1.307 0.322 0.000
C3 -0.979 -0.689 0.000
H4 -0.420 1.457 0.000
H5 2.156 0.984 0.000
H6 -0.460 -1.646 0.000
H7 -1.621 -0.643 0.881
H8 -1.621 -0.643 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.31281.50181.09212.22172.14522.14432.1443
C21.31282.49922.06681.07752.64423.20593.2059
C31.50182.49922.21843.55411.08821.09091.0909
H41.09212.06682.21842.61993.10362.57512.5751
H52.22171.07753.55412.61993.70974.20644.2064
H62.14522.64421.08823.10363.70971.76901.7690
H72.14433.20591.09092.57514.20641.76901.7614
H82.14433.20591.09092.57514.20641.76901.7614

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 136.489 C1 C3 H6 110.828
C1 C3 H7 110.587 C1 C3 H8 110.587
C2 C1 C3 125.096 C2 C1 H4 118.217
C3 C1 H4 116.687 H6 C3 H7 108.537
H6 C3 H8 108.537 H7 C3 H8 107.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability