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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-116.024220
Energy at 298.15K-116.028366
HF Energy-115.783342
Nuclear repulsion energy64.259672
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 MP2=FULL/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' 3295 3123 1.95      
2 A' 3176 3011 14.26      
3 A' 3112 2950 7.63      
4 A' 3087 2926 17.69      
5 A' 1796 1703 0.60      
6 A' 1595 1512 7.22      
7 A' 1490 1413 2.90      
8 A' 1378 1306 3.04      
9 A' 1165 1105 12.23      
10 A' 969 919 0.36      
11 A' 861 816 12.12      
12 A' 445 422 6.71      
13 A" 3150 2986 18.60      
14 A" 1591 1508 7.95      
15 A" 1167 1106 1.73      
16 A" 1003 951 3.65      
17 A" 693 657 66.57      
18 A" 202 191 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15086.7 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 14302.2 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 MP2=FULL/3-21G*
ABC
1.89944 0.31828 0.28735

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.455 0.000
C2 1.294 0.363 0.000
C3 -0.964 -0.726 0.000
H4 -0.474 1.441 0.000
H5 2.120 1.059 0.000
H6 -0.408 -1.667 0.000
H7 -1.606 -0.694 0.887
H8 -1.606 -0.694 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.29691.52501.09422.20452.16152.16532.1653
C21.29692.50732.07051.08032.64983.21183.2118
C31.52502.50732.22223.56401.09331.09561.0956
H41.09422.07052.22222.62223.10942.57462.5746
H52.20451.08033.56402.62223.71864.21284.2128
H62.16152.64981.09333.10943.71861.78051.7805
H72.16533.21181.09562.57464.21281.78051.7745
H82.16533.21181.09562.57464.21281.78051.7745

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 135.848 C1 C3 H6 110.192
C1 C3 H7 110.356 C1 C3 H8 110.356
C2 C1 C3 125.178 C2 C1 H4 119.734
C3 C1 H4 115.089 H6 C3 H7 108.860
H6 C3 H8 108.860 H7 C3 H8 108.166
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability