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All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-116.694854
Energy at 298.15K 
HF Energy-116.422441
Nuclear repulsion energy70.256433
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 MP2/3-21G
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' 3258 3109 19.57 50.97 0.60 0.75
2 A' 3182 3037 9.81 104.01 0.15 0.26
3 A' 3169 3025 18.38 30.11 0.22 0.36
4 A' 3148 3005 8.32 68.89 0.75 0.86
5 A' 3075 2935 15.45 101.68 0.01 0.03
6 A' 1700 1623 2.90 5.75 0.60 0.75
7 A' 1600 1527 9.98 18.66 0.73 0.85
8 A' 1530 1461 0.31 13.29 0.58 0.73
9 A' 1494 1426 4.70 9.74 0.62 0.77
10 A' 1386 1323 0.15 12.82 0.52 0.68
11 A' 1235 1179 1.04 4.28 0.75 0.86
12 A' 1010 964 3.87 0.28 0.68 0.81
13 A' 911 869 1.25 4.73 0.22 0.36
14 A' 444 423 0.63 0.96 0.36 0.53
15 A" 3137 2994 20.28 76.06 0.75 0.86
16 A" 1587 1514 6.77 20.69 0.75 0.86
17 A" 1136 1084 0.02 0.40 0.75 0.86
18 A" 1053 1006 17.44 0.23 0.75 0.86
19 A" 960 916 45.39 0.09 0.75 0.86
20 A" 598 571 13.21 15.31 0.75 0.86
21 A" 189 180 0.41 2.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17900.3 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 17085.9 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 MP2/3-21G
ABC
1.53144 0.30574 0.26767

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.148 -0.510 0.000
C2 0.000 0.487 0.000
C3 1.298 0.148 0.000
H4 1.616 -0.892 0.000
H5 2.087 0.894 0.000
H6 -0.281 1.539 0.000
H7 -0.762 -1.536 0.000
H8 -1.780 -0.377 0.886
H9 -1.780 -0.377 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52062.53362.79023.52682.22501.09571.09651.0965
C21.52061.34192.12412.12631.08922.16112.16792.1679
C32.53361.34191.08741.08572.10482.66093.24643.2464
H42.79022.12411.08741.84753.08352.46343.54733.5473
H53.52682.12631.08571.84752.45433.74454.16604.1660
H62.22501.08922.10483.08352.45433.11192.58882.5888
H71.09572.16112.66092.46343.74453.11191.77901.7790
H81.09652.16793.24643.54734.16602.58881.77901.7722
H91.09652.16793.24643.54734.16602.58881.77901.7722

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.417 C1 C2 H6 116.001
C2 C1 H7 110.330 C2 C1 H8 110.822
C2 C1 H9 110.822 C2 C3 H4 121.586
C2 C3 H5 121.952 C3 C2 H6 119.582
H4 C3 H5 116.461 H7 C1 H8 108.481
H7 C1 H9 108.481 H8 C1 H9 107.815
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability