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: MP2/SDD

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/SDD
 hartrees
Energy at 0K-117.297642
Energy at 298.15K 
HF Energy-117.036341
Nuclear repulsion energy69.454437
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/SDD
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' 3250 3137 36.92 45.33 0.60 0.75
2 A' 3157 3047 22.66 114.81 0.14 0.25
3 A' 3134 3026 31.97 39.46 0.22 0.36
4 A' 3119 3011 14.57 65.01 0.75 0.86
5 A' 3013 2908 30.65 146.01 0.01 0.02
6 A' 1664 1606 7.42 4.35 0.15 0.27
7 A' 1542 1488 15.29 11.82 0.70 0.83
8 A' 1485 1433 2.88 10.62 0.59 0.74
9 A' 1459 1409 5.06 3.64 0.72 0.84
10 A' 1339 1293 0.00 12.93 0.55 0.71
11 A' 1214 1172 1.41 5.74 0.73 0.84
12 A' 965 932 4.62 0.70 0.33 0.50
13 A' 920 888 1.45 8.64 0.24 0.38
14 A' 420 406 0.55 1.43 0.47 0.64
15 A" 3102 2994 36.13 64.62 0.75 0.86
16 A" 1521 1468 10.21 11.80 0.75 0.86
17 A" 1100 1062 1.43 2.70 0.75 0.86
18 A" 1017 982 30.75 0.26 0.75 0.86
19 A" 870 840 58.43 3.22 0.75 0.86
20 A" 578 558 14.48 7.94 0.75 0.86
21 A" 191 184 0.60 1.86 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17529.8 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 16921.5 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/SDD
ABC
1.50498 0.29789 0.26102

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.167 -0.502 0.000
C2 0.000 0.489 0.000
C3 1.321 0.135 0.000
H4 1.632 -0.915 0.000
H5 2.115 0.888 0.000
H6 -0.262 1.556 0.000
H7 -0.798 -1.543 0.000
H8 -1.805 -0.360 0.892
H9 -1.805 -0.360 -0.892

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53112.56872.82943.56432.24811.10441.10581.1058
C21.53111.36782.15262.15221.09902.18262.18502.1850
C32.56871.36781.09501.09382.12772.70283.28863.2886
H42.82942.15261.09501.86643.11362.50943.59413.5941
H53.56432.15221.09381.86642.46953.79364.20944.2094
H62.24811.09902.12773.11362.46953.14462.61652.6165
H71.10442.18262.70282.50943.79363.14461.79161.7916
H81.10582.18503.28863.59414.20942.61651.79161.7837
H91.10582.18503.28863.59414.20942.61651.79161.7837

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.683 C1 C2 H6 116.511
C2 C1 H7 110.783 C2 C1 H8 110.894
C2 C1 H9 110.894 C2 C3 H4 121.468
C2 C3 H5 121.528 C3 C2 H6 118.806
H4 C3 H5 117.004 H7 C1 H8 108.314
H7 C1 H9 108.314 H8 C1 H9 107.524
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability