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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-116.060377
Energy at 298.15K-116.064456
HF Energy-115.783124
Nuclear repulsion energy63.978530
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 MP4/3-21G
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' 3236 3139        
2 A' 3113 3019        
3 A' 3046 2954        
4 A' 3027 2935        
5 A' 1782 1728        
6 A' 1569 1522        
7 A' 1470 1426        
8 A' 1356 1315        
9 A' 1143 1109        
10 A' 947 918        
11 A' 838 813        
12 A' 434 421        
13 A" 3086 2993        
14 A" 1565 1518        
15 A" 1141 1107        
16 A" 969 939        
17 A" 680 659        
18 A" 181 175        

Unscaled Zero Point Vibrational Energy (zpe) 14791.3 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 14344.6 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 MP4/3-21G
ABC
1.88132 0.31554 0.28484

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.458 0.000
C2 1.299 0.365 0.000
C3 -0.969 -0.730 0.000
H4 -0.479 1.447 0.000
H5 2.129 1.064 0.000
H6 -0.408 -1.674 0.000
H7 -1.613 -0.698 0.891
H8 -1.613 -0.698 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.30231.53251.09922.21372.17072.17482.1748
C21.30232.51832.08091.08482.66003.22533.2253
C31.53252.51832.23183.57951.09781.10011.1001
H41.09922.08092.23182.63563.12232.58482.5848
H52.21371.08483.57952.63563.73324.23064.2306
H62.17072.66001.09783.12233.73321.78831.7883
H72.17483.22531.10012.58484.23061.78831.7825
H82.17483.22531.10012.58484.23061.78831.7825

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 135.857 C1 C3 H6 110.132
C1 C3 H7 110.317 C1 C3 H8 110.317
C2 C1 C3 125.132 C2 C1 H4 119.869
C3 C1 H4 114.999 H6 C3 H7 108.906
H6 C3 H8 108.906 H7 C3 H8 108.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability