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: MP4/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/cc-pVTZ
 hartrees
Energy at 0K-117.682174
Energy at 298.15K 
HF Energy-117.115956
Nuclear repulsion energy70.665860
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 MP4/cc-pVTZ
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' 3235 3135        
2 A' 3153 3056        
3 A' 3139 3043        
4 A' 3117 3021        
5 A' 3030 2937        
6 A' 1689 1637        
7 A' 1501 1455        
8 A' 1453 1409        
9 A' 1405 1362        
10 A' 1319 1278        
11 A' 1190 1153        
12 A' 941 912        
13 A' 931 902        
14 A' 417 405        
15 A" 3095 3000        
16 A" 1488 1442        
17 A" 1067 1034        
18 A" 1019 987        
19 A" 925 897        
20 A" 585 567        
21 A" 205 198        

Unscaled Zero Point Vibrational Energy (zpe) 17451.2 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 16913.7 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 MP4/cc-pVTZ
ABC
1.54744 0.31024 0.27140

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.141 -0.495 0.000
C2 0.000 0.481 0.000
C3 1.293 0.135 0.000
H4 1.594 -0.907 0.000
H5 2.077 0.882 0.000
H6 -0.259 1.536 0.000
H7 -0.775 -1.524 0.000
H8 -1.775 -0.355 0.879
H9 -1.775 -0.355 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50152.51432.76603.50032.21471.09161.09331.0933
C21.50151.33862.11382.11561.08692.14922.15052.1505
C32.51431.33861.08481.08272.09152.65113.22963.2296
H42.76602.11381.08481.85293.06712.44813.52603.5260
H53.50032.11561.08271.85292.42673.73114.14094.1409
H62.21471.08692.09153.06712.42673.10332.57892.5789
H71.09162.14922.65112.44813.73113.10331.77181.7718
H81.09332.15053.22963.52604.14092.57891.77181.7585
H91.09332.15053.22963.52604.14092.57891.77181.7585

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.474 C1 C2 H6 116.744
C2 C1 H7 110.967 C2 C1 H8 110.968
C2 C1 H9 110.968 C2 C3 H4 121.089
C2 C3 H5 121.428 C3 C2 H6 118.781
H4 C3 H5 117.483 H7 C1 H8 108.366
H7 C1 H9 108.366 H8 C1 H9 107.066
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability