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 CH2CHCH3 (Propene)

using model chemistry: CCSD(T)/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/Def2TZVPP
 hartrees
Energy at 0K-117.684491
Energy at 298.15K 
HF Energy-117.119432
Nuclear repulsion energy70.663123
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(T)/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' 3232 3232        
2 A' 3152 3152        
3 A' 3139 3139        
4 A' 3114 3114        
5 A' 3031 3031        
6 A' 1695 1695        
7 A' 1501 1501        
8 A' 1457 1457        
9 A' 1410 1410        
10 A' 1322 1322        
11 A' 1192 1192        
12 A' 943 943        
13 A' 930 930        
14 A' 418 418        
15 A" 3091 3091        
16 A" 1488 1488        
17 A" 1066 1066        
18 A" 1013 1013        
19 A" 921 921        
20 A" 584 584        
21 A" 202 202        

Unscaled Zero Point Vibrational Energy (zpe) 17451.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17451.4 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 CCSD(T)/Def2TZVPP
ABC
1.54712 0.31019 0.27135

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.141 -0.496 0.000
C2 0.000 0.481 0.000
C3 1.293 0.136 0.000
H4 1.595 -0.906 0.000
H5 2.077 0.883 0.000
H6 -0.261 1.536 0.000
H7 -0.774 -1.525 0.000
H8 -1.775 -0.356 0.880
H9 -1.775 -0.356 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50232.51462.76673.50092.21461.09151.09331.0933
C21.50231.33822.11392.11551.08682.14992.15022.1502
C32.51461.33821.08461.08272.09172.65153.22903.2290
H42.76672.11391.08461.85213.06732.44923.52623.5262
H53.50092.11551.08271.85212.42763.73154.14044.1404
H62.21461.08682.09173.06732.42763.10332.57752.5775
H71.09152.14992.65152.44923.73153.10331.77221.7722
H81.09332.15023.22903.52624.14042.57751.77221.7590
H91.09332.15023.22903.52624.14042.57751.77221.7590

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.465 C1 C2 H6 116.690
C2 C1 H7 110.969 C2 C1 H8 110.891
C2 C1 H9 110.891 C2 C3 H4 121.137
C2 C3 H5 121.450 C3 C2 H6 118.845
H4 C3 H5 117.413 H7 C1 H8 108.418
H7 C1 H9 108.418 H8 C1 H9 107.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability