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: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-115.765159
Energy at 298.15K-115.769030
HF Energy-115.765159
Nuclear repulsion energy63.748715
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 mPW1PW91/STO-3G
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' 3536 3108 0.15      
2 A' 3490 3068 7.62      
3 A' 3389 2979 11.25      
4 A' 3345 2940 0.94      
5 A' 1822 1601 0.97      
6 A' 1686 1482 3.84      
7 A' 1577 1386 1.30      
8 A' 1394 1226 0.25      
9 A' 1223 1075 7.35      
10 A' 1023 899 2.62      
11 A' 895 787 5.24      
12 A' 429 377 4.14      
13 A" 3499 3076 0.48      
14 A" 1683 1479 4.94      
15 A" 1160 1020 0.16      
16 A" 918 807 0.28      
17 A" 654 575 25.69      
18 A" 177 156 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15951.0 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 14019.3 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 mPW1PW91/STO-3G
ABC
1.85685 0.31461 0.28338

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.458 0.000
C2 1.314 0.342 0.000
C3 -0.975 -0.717 0.000
H4 -0.472 1.456 0.000
H5 2.129 1.076 0.000
H6 -0.440 -1.674 0.000
H7 -1.625 -0.679 0.887
H8 -1.625 -0.679 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.31941.52711.10342.21682.17672.17302.1730
C21.31942.52242.10511.09692.67143.23543.2354
C31.52712.52242.22983.58491.09681.10041.1004
H41.10342.10512.22982.62873.12932.58342.5834
H52.21681.09693.58492.62873.76264.23794.2379
H62.17672.67141.09683.12933.76261.78371.7837
H72.17303.23541.10042.58344.23791.78371.7749
H82.17303.23541.10042.58344.23791.78371.7749

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 132.903 C1 C3 H6 111.047
C1 C3 H7 110.537 C1 C3 H8 110.537
C2 C1 C3 124.626 C2 C1 H4 120.405
C3 C1 H4 114.969 H6 C3 H7 108.550
H6 C3 H8 108.550 H7 C3 H8 107.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 C -0.076      
3 C -0.234      
4 H 0.081      
5 H 0.082      
6 H 0.086      
7 H 0.085      
8 H 0.085      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.252 0.272 0.000 0.370
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.849 0.676 0.000
y 0.676 -16.974 0.000
z 0.000 0.000 -18.590
Traceless
 xyz
x 0.933 0.676 0.000
y 0.676 0.746 0.000
z 0.000 0.000 -1.679
Polar
3z2-r2-3.357
x2-y20.125
xy0.676
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.657 0.386 0.000
y 0.386 2.073 0.000
z 0.000 0.000 1.212


<r2> (average value of r2) Å2
<r2> 50.831
(<r2>)1/2 7.130