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

using model chemistry: ROMP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at ROMP2/3-21G
 hartrees
Energy at 0K-116.027109
Energy at 298.15K-116.031156
HF Energy-115.774542
Nuclear repulsion energy63.824949
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 ROMP2/3-21G
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' 3270 3270        
2 A' 3171 3171        
3 A' 3106 3106        
4 A' 3084 3084        
5 A' 1673 1673        
6 A' 1589 1589        
7 A' 1488 1488        
8 A' 1359 1359        
9 A' 1158 1158        
10 A' 961 961        
11 A' 853 853        
12 A' 435 435        
13 A" 3147 3147        
14 A" 1591 1591        
15 A" 1132 1132        
16 A" 863 863        
17 A" 638 638        
18 A" 183 183        

Unscaled Zero Point Vibrational Energy (zpe) 14850.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14850.2 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 ROMP2/3-21G
ABC
1.86107 0.31462 0.28350

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.460 0.000
C2 1.317 0.331 0.000
C3 -0.986 -0.706 0.000
H4 -0.445 1.460 0.000
H5 2.156 1.014 0.000
H6 -0.444 -1.656 0.000
H7 -1.627 -0.665 0.888
H8 -1.627 -0.665 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.32331.52671.09442.22592.16242.16802.1680
C21.32332.52532.09281.08202.65533.23203.2320
C31.52672.52532.23213.58161.09391.09571.0957
H41.09442.09282.23212.63883.11612.58832.5883
H52.22591.08203.58162.63883.72724.23274.2327
H62.16242.65531.09393.11613.72721.78021.7802
H72.16803.23201.09572.58834.23271.78021.7753
H82.16803.23201.09572.58834.23271.78021.7753

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 135.218 C1 C3 H6 110.115
C1 C3 H7 110.444 C1 C3 H8 110.444
C2 C1 C3 124.610 C2 C1 H4 119.606
C3 C1 H4 115.784 H6 C3 H7 108.785
H6 C3 H8 108.785 H7 C3 H8 108.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability