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 C3H6 (Cyclopropane)

using model chemistry: B2PLYP=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B2PLYP=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-117.833741
Energy at 298.15K 
HF Energy-117.648339
Nuclear repulsion energy75.978118
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=FULL/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1' 3162 3162 0.00 292.15 0.02 0.05
2 A1' 1533 1533 0.00 2.18 0.10 0.19
3 A1' 1223 1223 0.00 44.25 0.06 0.12
4 A1" 1166 1166 0.00 0.00 0.75 0.86
5 A2' 1102 1102 0.00 0.00 0.75 0.86
6 A2" 3254 3254 25.94 0.00 0.75 0.86
7 A2" 866 866 0.44 0.00 0.75 0.86
8 E' 3153 3153 20.97 23.69 0.75 0.86
8 E' 3153 3153 20.97 23.69 0.75 0.86
9 E' 1488 1488 0.88 4.59 0.75 0.86
9 E' 1488 1488 0.88 4.59 0.75 0.86
10 E' 1061 1061 9.59 1.20 0.75 0.86
10 E' 1061 1061 9.59 1.20 0.75 0.86
11 E' 891 891 19.27 8.32 0.75 0.86
11 E' 891 891 19.27 8.32 0.75 0.86
12 E" 3233 3233 0.00 90.71 0.75 0.86
12 E" 3233 3233 0.00 90.71 0.75 0.86
13 E" 1222 1222 0.00 1.42 0.75 0.86
13 E" 1222 1222 0.00 1.42 0.75 0.86
14 E" 748 748 0.00 0.40 0.75 0.86
14 E" 748 748 0.00 0.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17948.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17948.3 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=FULL/6-311+G(3df,2p)
ABC
0.67693 0.67693 0.42297

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311+G(3df,2p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.868 0.000
C2 0.751 -0.434 0.000
C3 -0.751 -0.434 0.000
H4 0.000 1.452 0.907
H5 1.258 -0.726 0.907
H6 -1.258 -0.726 0.907
H7 0.000 1.452 -0.907
H8 1.258 -0.726 -0.907
H9 -1.258 -0.726 -0.907

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50291.50291.07902.22362.22361.07902.22362.2236
C21.50291.50292.22361.07902.22362.22361.07902.2236
C31.50291.50292.22362.22361.07902.22362.22361.0790
H41.07902.22362.22362.51522.51521.81413.10123.1012
H52.22361.07902.22362.51522.51523.10121.81413.1012
H62.22362.22361.07902.51522.51523.10123.10121.8141
H71.07902.22362.22361.81413.10123.10122.51522.5152
H82.22361.07902.22363.10121.81413.10122.51522.5152
H92.22362.22361.07903.10123.10121.81412.51522.5152

picture of Cyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.000 C1 C2 H5 117.973
C1 C2 H8 117.973 C1 C3 C2 60.000
C1 C3 H6 117.973 C1 C3 H9 117.973
C2 C1 C3 60.000 C2 C1 H4 117.973
C2 C1 H7 117.973 C2 C3 H6 117.973
C2 C3 H9 117.973 C3 C1 H4 117.973
C3 C1 H7 117.973 C3 C2 H5 117.973
C3 C2 H8 117.973 H4 C1 H7 114.412
H5 C2 H8 114.412 H6 C3 H9 114.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability