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: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-117.097145
Energy at 298.15K-117.101012
HF Energy-117.097145
Nuclear repulsion energy64.108822
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 PBEPBE/Def2TZVPP
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' 3183 3144 0.33      
2 A' 3064 3027 13.08      
3 A' 2964 2928 20.92      
4 A' 2935 2900 15.44      
5 A' 1646 1626 3.90      
6 A' 1430 1413 11.09      
7 A' 1348 1332 2.15      
8 A' 1223 1208 1.09      
9 A' 1074 1061 4.94      
10 A' 911 900 3.72      
11 A' 759 750 18.24      
12 A' 391 387 9.58      
13 A" 3017 2981 13.47      
14 A" 1430 1413 7.40      
15 A" 1020 1007 1.86      
16 A" 773 764 1.34      
17 A" 589 581 63.52      
18 A" 191 189 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 13974.4 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 13805.3 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 PBEPBE/Def2TZVPP
ABC
1.92642 0.31582 0.28583

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.446 0.000
C2 1.310 0.334 0.000
C3 -0.978 -0.698 0.000
H4 -0.431 1.459 0.000
H5 2.159 1.016 0.000
H6 -0.457 -1.662 0.000
H7 -1.631 -0.653 0.884
H8 -1.631 -0.653 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.31531.50561.10082.23262.15732.15642.1564
C21.31532.51082.07371.08842.66613.22623.2262
C31.50562.51082.22533.57481.09601.10011.1001
H41.10082.07372.22532.62773.12112.58462.5846
H52.23261.08843.57482.62773.74354.23424.2342
H62.15732.66611.09603.12113.74351.78321.7832
H72.15643.22621.10012.58464.23421.78321.7689
H82.15643.22621.10012.58464.23421.78321.7689

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 136.294 C1 C3 H6 111.057
C1 C3 H7 110.740 C1 C3 H8 110.740
C2 C1 C3 125.634 C2 C1 H4 117.976
C3 C1 H4 116.390 H6 C3 H7 108.580
H6 C3 H8 108.580 H7 C3 H8 107.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.097      
2 C -0.193      
3 C -0.187      
4 H 0.087      
5 H 0.126      
6 H 0.088      
7 H 0.088      
8 H 0.088      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.674 0.436 0.000 0.802
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.534 1.202 0.000
y 1.202 -18.784 0.000
z 0.000 0.000 -21.126
Traceless
 xyz
x 1.421 1.202 0.000
y 1.202 1.046 0.000
z 0.000 0.000 -2.467
Polar
3z2-r2-4.934
x2-y20.250
xy1.202
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.619 0.556 0.000
y 0.556 5.257 0.000
z 0.000 0.000 4.238


<r2> (average value of r2) Å2
<r2> 51.807
(<r2>)1/2 7.198