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

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-116.670092
Energy at 298.15K-116.674080
HF Energy-116.387067
Nuclear repulsion energy63.390863
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 QCISD/6-31G
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' 3223 3106 5.30      
2 A' 3094 2981 27.80      
3 A' 3031 2921 15.92      
4 A' 3005 2896 29.46      
5 A' 1654 1594 0.37      
6 A' 1544 1488 6.01      
7 A' 1470 1416 2.32      
8 A' 1331 1282 1.16      
9 A' 1146 1105 7.63      
10 A' 958 923 0.04      
11 A' 841 810 12.25      
12 A' 428 413 5.48      
13 A" 3067 2955 31.08      
14 A" 1538 1482 6.64      
15 A" 1108 1067 1.27      
16 A" 837 806 0.42      
17 A" 626 603 54.39      
18 A" 172 166 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 14535.9 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 14006.8 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 QCISD/6-31G
ABC
1.85151 0.30980 0.27949

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.457 0.000
C2 1.333 0.326 0.000
C3 -0.996 -0.699 0.000
H4 -0.443 1.468 0.000
H5 2.185 1.005 0.000
H6 -0.468 -1.665 0.000
H7 -1.646 -0.657 0.891
H8 -1.646 -0.657 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.33931.52621.10312.25252.17362.17862.1786
C21.33932.54472.11101.08952.68493.26123.2612
C31.52622.54472.23593.60881.10161.10381.1038
H41.10312.11102.23592.66823.13302.59942.5994
H52.25251.08953.60882.66823.76424.27014.2701
H62.17362.68491.10163.13303.76421.78841.7884
H72.17863.26121.10382.59944.27011.78841.7828
H82.17863.26121.10382.59944.27011.78841.7828

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 135.827 C1 C3 H6 110.581
C1 C3 H7 110.841 C1 C3 H8 110.841
C2 C1 C3 125.135 C2 C1 H4 119.298
C3 C1 H4 115.567 H6 C3 H7 108.375
H6 C3 H8 108.375 H7 C3 H8 107.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability