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All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: CCSD(T)/3-21G

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)/3-21G
 hartrees
Energy at 0K-116.741118
Energy at 298.15K-116.746712
HF Energy-116.421220
Nuclear repulsion energy69.912729
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)/3-21G
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' 3179 3150        
2 A' 3108 3079        
3 A' 3097 3068        
4 A' 3072 3043        
5 A' 3003 2975        
6 A' 1673 1658        
7 A' 1571 1556        
8 A' 1501 1487        
9 A' 1468 1454        
10 A' 1358 1345        
11 A' 1212 1201        
12 A' 992 983        
13 A' 887 878        
14 A' 435 431        
15 A" 3056 3028        
16 A" 1558 1544        
17 A" 1110 1100        
18 A" 1012 1002        
19 A" 928 920        
20 A" 579 573        
21 A" 181 180        

Unscaled Zero Point Vibrational Energy (zpe) 17490.1 cm-1
Scaled (by 0.9906) Zero Point Vibrational Energy (zpe) 17325.7 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)/3-21G
ABC
1.51450 0.30287 0.26509

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.153 -0.514 0.000
C2 0.000 0.490 0.000
C3 1.304 0.149 0.000
H4 1.624 -0.896 0.000
H5 2.098 0.898 0.000
H6 -0.285 1.547 0.000
H7 -0.765 -1.544 0.000
H8 -1.788 -0.379 0.891
H9 -1.788 -0.379 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52922.54552.80353.54462.23581.10071.10191.1019
C21.52921.34792.13482.13721.09442.17302.17842.1784
C32.54551.34791.09271.09092.11642.67363.26093.2609
H42.80352.13481.09271.85463.10002.47553.56393.5639
H53.54462.13721.09091.85462.47023.76264.18614.1861
H62.23581.09442.11643.10002.47023.12732.59982.5998
H71.10072.17302.67362.47553.76263.12731.78781.7878
H81.10192.17843.26093.56394.18612.59981.78781.7814
H91.10192.17843.26093.56394.18612.59981.78781.7814

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.318 C1 C2 H6 115.919
C2 C1 H7 110.376 C2 C1 H8 110.731
C2 C1 H9 110.731 C2 C3 H4 121.668
C2 C3 H5 122.053 C3 C2 H6 119.762
H4 C3 H5 116.280 H7 C1 H8 108.523
H7 C1 H9 108.523 H8 C1 H9 107.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability