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: MP2=FULL/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-117.058544
Energy at 298.15K-117.062670
HF Energy-116.478214
Nuclear repulsion energy65.140227
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/aug-cc-pVQZ
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' 3333 3188 2.09      
2 A' 3206 3066 7.75      
3 A' 3117 2981 6.10      
4 A' 3092 2957 17.31      
5 A' 1983 1897 12.37      
6 A' 1508 1443 11.80      
7 A' 1416 1355 2.67      
8 A' 1296 1239 1.66      
9 A' 1140 1091 3.42      
10 A' 959 917 4.99      
11 A' 820 784 14.71      
12 A' 419 401 9.28      
13 A" 3171 3033 8.14      
14 A" 1508 1443 7.94      
15 A" 1114 1066 3.80      
16 A" 963 921 10.47      
17 A" 680 650 64.48      
18 A" 228 218 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 14977.4 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 14324.4 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/aug-cc-pVQZ
ABC
1.98156 0.32620 0.29525

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.438 0.000
C2 1.276 0.362 0.000
C3 -0.953 -0.711 0.000
H4 -0.441 1.433 0.000
H5 2.113 1.032 0.000
H6 -0.421 -1.655 0.000
H7 -1.595 -0.669 0.875
H8 -1.595 -0.669 -0.875

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.27841.49291.08862.19542.13422.12912.1291
C21.27842.47432.02391.07222.63583.17333.1733
C31.49292.47432.20443.52741.08291.08591.0859
H41.08862.02392.20442.58613.08742.55202.5520
H52.19541.07223.52742.58613.69334.17234.1723
H62.13422.63581.08293.08743.69331.76481.7648
H72.12913.17331.08592.55204.17231.76481.7505
H82.12913.17331.08592.55204.17231.76481.7505

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 137.957 C1 C3 H6 110.897
C1 C3 H7 110.304 C1 C3 H8 110.304
C2 C1 C3 126.287 C2 C1 H4 117.310
C3 C1 H4 116.403 H6 C3 H7 108.918
H6 C3 H8 108.918 H7 C3 H8 107.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability