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: CCSD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-116.863122
Energy at 298.15K-116.867102
HF Energy-116.439359
Nuclear repulsion energy63.637584
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 CCSD/cc-pVDZ
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' 3262 3090 1.15      
2 A' 3164 2998 17.33      
3 A' 3089 2926 11.75      
4 A' 3060 2899 27.47      
5 A' 1697 1607 1.81      
6 A' 1485 1407 6.57      
7 A' 1414 1339 1.46      
8 A' 1274 1206 1.31      
9 A' 1134 1074 4.87      
10 A' 946 896 1.92      
11 A' 834 790 13.60      
12 A' 409 388 6.40      
13 A" 3131 2966 21.35      
14 A" 1483 1405 5.46      
15 A" 1064 1008 2.11      
16 A" 814 771 1.71      
17 A" 614 582 48.76      
18 A" 192 182 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14533.1 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 13767.2 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 CCSD/cc-pVDZ
ABC
1.86424 0.31318 0.28252

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.451 0.000
C2 1.325 0.322 0.000
C3 -0.991 -0.694 0.000
H4 -0.425 1.473 0.000
H5 2.176 1.009 0.000
H6 -0.469 -1.666 0.000
H7 -1.643 -0.645 0.891
H8 -1.643 -0.645 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.33111.51451.10662.24652.16882.16692.1669
C21.33112.52842.09481.09432.67783.24613.2461
C31.51452.52842.23963.59581.10271.10571.1057
H41.10662.09482.23962.64263.13932.60012.6001
H52.24651.09433.59582.64263.76244.25644.2564
H62.16882.67781.10273.13933.76241.79321.7932
H72.16693.24611.10572.60014.25641.79321.7821
H82.16693.24611.10572.60014.25641.79321.7821

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 135.499 C1 C3 H6 110.952
C1 C3 H7 110.618 C1 C3 H8 110.618
C2 C1 C3 125.259 C2 C1 H4 118.197
C3 C1 H4 116.544 H6 C3 H7 108.579
H6 C3 H8 108.579 H7 C3 H8 107.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability