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All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: MP3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/3-21G*
 hartrees
Energy at 0K-116.719647
Energy at 298.15K-116.725290
HF Energy-116.422509
Nuclear repulsion energy70.253939
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 MP3/3-21G*
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' 3238 3124 21.88      
2 A' 3167 3056 8.48      
3 A' 3156 3045 19.40      
4 A' 3129 3019 11.23      
5 A' 3061 2953 16.83      
6 A' 1728 1667 3.19      
7 A' 1592 1536 9.79      
8 A' 1529 1475 0.36      
9 A' 1491 1439 4.94      
10 A' 1386 1337 0.22      
11 A' 1234 1190 0.92      
12 A' 1008 973 3.53      
13 A' 909 877 1.16      
14 A' 443 428 0.63      
15 A" 3115 3005 22.42      
16 A" 1579 1523 6.78      
17 A" 1131 1091 0.04      
18 A" 1044 1007 16.44      
19 A" 959 925 44.69      
20 A" 594 574 13.00      
21 A" 188 181 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 17839.9 cm-1
Scaled (by 0.9648) Zero Point Vibrational Energy (zpe) 17212.0 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 MP3/3-21G*
ABC
1.53052 0.30581 0.26773

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.146 -0.516 0.000
C2 0.000 0.487 0.000
C3 1.296 0.154 0.000
H4 1.620 -0.885 0.000
H5 2.084 0.902 0.000
H6 -0.289 1.538 0.000
H7 -0.756 -1.541 0.000
H8 -1.779 -0.383 0.887
H9 -1.779 -0.383 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52312.53262.79083.52812.22581.09671.09781.0978
C21.52311.33822.12312.12521.09012.16442.17022.1702
C32.53261.33821.08861.08672.10422.66173.24543.2454
H42.79082.12311.08861.84673.08492.46503.54863.5486
H53.52812.12521.08671.84672.45693.74664.16714.1671
H62.22581.09012.10423.08492.45693.11432.58842.5884
H71.09672.16442.66172.46503.74663.11431.78141.7814
H81.09782.17023.24543.54864.16712.58841.78141.7746
H91.09782.17023.24543.54864.16712.58841.78141.7746

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.406 C1 C2 H6 115.816
C2 C1 H7 110.348 C2 C1 H8 110.749
C2 C1 H9 110.749 C2 C3 H4 121.721
C2 C3 H5 122.084 C3 C2 H6 119.778
H4 C3 H5 116.195 H7 C1 H8 108.532
H7 C1 H9 108.532 H8 C1 H9 107.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability