return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-117.182238
Energy at 298.15K-117.186202
HF Energy-117.182238
Nuclear repulsion energy64.228161
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 B3PW91/6-31G**
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' 3270 3134 1.67      
2 A' 3157 3026 16.36      
3 A' 3055 2927 13.78      
4 A' 3045 2918 27.39      
5 A' 1709 1638 2.08      
6 A' 1491 1429 8.00      
7 A' 1409 1351 1.28      
8 A' 1274 1221 0.93      
9 A' 1121 1074 7.49      
10 A' 942 903 3.06      
11 A' 812 778 16.20      
12 A' 406 389 8.10      
13 A" 3109 2980 20.81      
14 A" 1491 1429 7.31      
15 A" 1059 1015 0.67      
16 A" 817 783 1.92      
17 A" 615 589 57.32      
18 A" 198 190 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14489.3 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 13886.6 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 B3PW91/6-31G**
ABC
1.91849 0.31771 0.28710

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.445 0.000
C2 1.309 0.338 0.000
C3 -0.977 -0.698 0.000
H4 -0.439 1.451 0.000
H5 2.158 1.009 0.000
H6 -0.459 -1.660 0.000
H7 -1.627 -0.654 0.881
H8 -1.627 -0.654 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.31351.50291.09822.23052.15392.15222.1522
C21.31352.50922.07311.08242.66763.22233.2223
C31.50292.50922.21503.56911.09221.09641.0964
H41.09822.07312.21502.63473.11092.57272.5727
H52.23051.08243.56912.63473.73804.22754.2275
H62.15392.66761.09223.11093.73801.77571.7757
H72.15223.22231.09642.57274.22751.77571.7624
H82.15223.22231.09642.57274.22751.77571.7624

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 136.961 C1 C3 H6 111.208
C1 C3 H7 110.813 C1 C3 H8 110.813
C2 C1 C3 125.846 C2 C1 H4 118.267
C3 C1 H4 115.887 H6 C3 H7 108.450
H6 C3 H8 108.450 H7 C3 H8 106.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 C -0.172      
3 C -0.413      
4 H 0.131      
5 H 0.141      
6 H 0.147      
7 H 0.143      
8 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.535 0.440 0.000 0.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.712 1.107 0.000
y 1.107 -18.027 0.000
z 0.000 0.000 -20.406
Traceless
 xyz
x 1.504 1.107 0.000
y 1.107 1.033 0.000
z 0.000 0.000 -2.537
Polar
3z2-r2-5.074
x2-y20.314
xy1.107
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.482 0.514 0.000
y 0.514 4.129 0.000
z 0.000 0.000 2.895


<r2> (average value of r2) Å2
<r2> 51.130
(<r2>)1/2 7.151