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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-116.970356
Energy at 298.15K-116.965222
HF Energy-116.427786
Nuclear repulsion energy64.085478
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 CBS-Q
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' 3409 3409 4.81      
2 A' 3275 3275 38.03      
3 A' 3244 3244 12.77      
4 A' 3179 3179 35.82      
5 A' 1652 1652 2.64      
6 A' 1596 1596 3.16      
7 A' 1547 1547 1.58      
8 A' 1346 1346 1.92      
9 A' 1217 1217 6.85      
10 A' 992 992 0.03      
11 A' 906 906 11.61      
12 A' 440 440 5.06      
13 A" 3232 3232 38.23      
14 A" 1619 1619 4.81      
15 A" 1143 1143 1.59      
16 A" 885 885 0.92      
17 A" 639 639 44.14      
18 A" 192 192 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15256.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15256.7 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 CBS-Q
ABC
1.92150 0.32050 0.28955

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.453 0.000
C2 1.323 0.312 0.000
C3 -0.988 -0.687 0.000
H4 -0.416 1.456 0.000
H5 2.147 1.002 0.000
H6 -0.481 -1.647 0.000
H7 -1.633 -0.641 0.877
H8 -1.633 -0.641 -0.877

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.33091.50831.08572.21622.15492.15222.1522
C21.33092.51752.08201.07462.66343.22733.2273
C31.50832.51752.21783.56071.08621.08951.0895
H41.08572.08202.21782.60323.10422.57822.5782
H52.21621.07463.56072.60323.73164.21384.2138
H62.15492.66341.08623.10423.73161.76311.7631
H72.15223.22731.08952.57824.21381.76311.7538
H82.15223.22731.08952.57824.21381.76311.7538

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 133.959 C1 C3 H6 111.276
C1 C3 H7 110.852 C1 C3 H8 110.852
C2 C1 C3 124.807 C2 C1 H4 118.626
C3 C1 H4 116.567 H6 C3 H7 108.265
H6 C3 H8 108.265 H7 C3 H8 107.185
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability