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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-116.821998
Energy at 298.15K-116.825987
HF Energy-116.428492
Nuclear repulsion energy64.026031
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' 3276 3120 2.79      
2 A' 3160 3009 19.79      
3 A' 3082 2935 13.91      
4 A' 3064 2917 25.72      
5 A' 1716 1634 1.08      
6 A' 1539 1466 6.34      
7 A' 1462 1392 1.69      
8 A' 1314 1251 1.16      
9 A' 1155 1100 7.17      
10 A' 964 918 0.88      
11 A' 850 810 15.11      
12 A' 419 399 6.62      
13 A" 3127 2978 24.45      
14 A" 1534 1461 6.21      
15 A" 1096 1044 1.47      
16 A" 826 786 1.46      
17 A" 627 597 52.11      
18 A" 186 177 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 14697.6 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 13996.5 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
1.88810 0.31666 0.28569

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 0.450 0.000
C2 1.316 0.326 0.000
C3 -0.983 -0.695 0.000
H4 -0.434 1.460 0.000
H5 2.158 1.008 0.000
H6 -0.459 -1.657 0.000
H7 -1.631 -0.651 0.885
H8 -1.631 -0.651 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.32141.50891.09862.22932.15642.15772.1577
C21.32142.51482.08431.08432.66113.22793.2279
C31.50892.51482.22333.57311.09501.09791.0979
H41.09862.08432.22332.63103.11632.58292.5829
H52.22931.08433.57312.63103.73554.23024.2302
H62.15642.66111.09503.11633.73551.77961.7796
H72.15773.22791.09792.58294.23021.77961.7701
H82.15773.22791.09792.58294.23021.77961.7701

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 135.620 C1 C3 H6 110.811
C1 C3 H7 110.744 C1 C3 H8 110.744
C2 C1 C3 125.245 C2 C1 H4 118.642
C3 C1 H4 116.113 H6 C3 H7 108.495
H6 C3 H8 108.495 H7 C3 H8 107.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability