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: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-117.746247
Energy at 298.15K 
HF Energy-117.618571
Nuclear repulsion energy70.654784
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 B2PLYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3273 3107 21.06 61.40 0.63 0.78
2 A' 3191 3029 4.27 144.78 0.13 0.23
3 A' 3181 3020 33.00 12.30 0.73 0.84
4 A' 3154 2994 10.86 80.11 0.73 0.84
5 A' 3068 2912 24.26 135.64 0.03 0.05
6 A' 1741 1652 7.98 8.08 0.08 0.14
7 A' 1545 1466 9.97 16.70 0.71 0.83
8 A' 1491 1415 1.00 23.20 0.55 0.71
9 A' 1454 1380 0.95 6.83 0.74 0.85
10 A' 1350 1282 0.27 17.41 0.46 0.63
11 A' 1217 1156 0.29 3.71 0.75 0.86
12 A' 967 918 4.01 0.47 0.50 0.66
13 A' 945 897 1.38 5.38 0.22 0.36
14 A' 428 407 0.86 1.17 0.40 0.57
15 A" 3125 2966 24.99 92.58 0.75 0.86
16 A" 1531 1453 6.07 17.13 0.75 0.86
17 A" 1096 1040 0.71 0.41 0.75 0.86
18 A" 1041 988 12.14 0.38 0.75 0.86
19 A" 936 889 39.07 0.33 0.75 0.86
20 A" 592 562 9.87 13.33 0.75 0.86
21 A" 208 197 0.41 2.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17766.5 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 16864.0 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 B2PLYP/6-31G*
ABC
1.55619 0.30954 0.27114

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.139 -0.499 0.000
C2 0.000 0.477 0.000
C3 1.292 0.143 0.000
H4 1.610 -0.896 0.000
H5 2.076 0.893 0.000
H6 -0.271 1.532 0.000
H7 -0.777 -1.531 0.000
H8 -1.778 -0.361 0.880
H9 -1.778 -0.361 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50062.51512.77823.50362.20921.09321.09571.0957
C21.50061.33502.11632.11701.08892.15302.15372.1537
C32.51511.33501.08631.08452.09132.66123.23353.2335
H42.77822.11631.08631.84823.07142.47013.54123.5412
H53.50362.11701.08451.84822.43213.74304.14714.1471
H62.20921.08892.09133.07142.43213.10422.57512.5751
H71.09322.15302.66122.47013.74303.10421.77281.7728
H81.09572.15373.23353.54124.14712.57511.77281.7595
H91.09572.15373.23353.54124.14712.57511.77281.7595

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.889 C1 C2 H6 116.201
C2 C1 H7 111.231 C2 C1 H8 111.143
C2 C1 H9 111.143 C2 C3 H4 121.528
C2 C3 H5 121.739 C3 C2 H6 118.910
H4 C3 H5 116.733 H7 C1 H8 108.169
H7 C1 H9 108.169 H8 C1 H9 106.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.498      
2 C -0.063      
3 C -0.346      
4 H 0.142      
5 H 0.146      
6 H 0.139      
7 H 0.158      
8 H 0.161      
9 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.323 -0.010 0.000 0.323
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.928 -0.186 0.011
y -0.186 -18.890 0.002
z 0.011 0.002 -21.405
Traceless
 xyz
x 1.220 -0.186 0.011
y -0.186 1.277 0.002
z 0.011 0.002 -2.496
Polar
3z2-r2-4.993
x2-y2-0.038
xy-0.186
xz0.011
yz0.002


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.461 -0.083 -0.002
y -0.083 4.478 0.000
z -0.002 0.000 2.778


<r2> (average value of r2) Å2
<r2> 55.126
(<r2>)1/2 7.425