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All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: QCISD(T)/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/CEP-31G
 hartrees
Energy at 0K-20.165463
Energy at 298.15K-20.170942
HF Energy-19.872352
Nuclear repulsion energy39.244263
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 QCISD(T)/CEP-31G
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' 3167 3020        
2 A' 3086 2943        
3 A' 3066 2924        
4 A' 3052 2911        
5 A' 2961 2824        
6 A' 1641 1565        
7 A' 1498 1428        
8 A' 1449 1382        
9 A' 1425 1359        
10 A' 1303 1243        
11 A' 1183 1128        
12 A' 939 895        
13 A' 900 858        
14 A' 407 388        
15 A" 3033 2892        
16 A" 1475 1407        
17 A" 1067 1018        
18 A" 962 918        
19 A" 829 790        
20 A" 558 532        
21 A" 181 173        

Unscaled Zero Point Vibrational Energy (zpe) 17090.9 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 16299.6 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 QCISD(T)/CEP-31G
ABC
1.45023 0.29010 0.25369

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.187 -0.497 0.000
C2 0.000 0.502 0.000
C3 1.343 0.118 0.000
H4 1.645 -0.947 0.000
H5 2.154 0.874 0.000
H6 -0.255 1.582 0.000
H7 -0.819 -1.551 0.000
H8 -1.832 -0.349 0.902
H9 -1.832 -0.349 -0.902

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.55092.60392.86783.61162.27841.11631.11891.1189
C21.55091.39692.19222.18641.11052.20972.21192.2119
C32.60391.39691.10751.10862.16752.73163.33363.3336
H42.86782.19221.10751.89133.16382.53723.64153.6415
H53.61162.18641.10861.89132.51133.83694.26604.2660
H62.27841.11052.16753.16382.51133.18342.65152.6515
H71.11632.20972.73162.53723.83693.18341.81201.8120
H81.11892.21193.33363.64154.26602.65151.81201.8050
H91.11892.21193.33363.64154.26602.65151.81201.8050

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.013 C1 C2 H6 116.792
C2 C1 H7 110.829 C2 C1 H8 110.854
C2 C1 H9 110.854 C2 C3 H4 121.740
C2 C3 H5 121.095 C3 C2 H6 119.195
H4 C3 H5 117.165 H7 C1 H8 108.327
H7 C1 H9 108.327 H8 C1 H9 107.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability