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/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-117.753557
Energy at 298.15K 
HF Energy-117.611899
Nuclear repulsion energy75.422994
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/cc-pVDZ
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' 3167 3035 0.00 275.71 0.04 0.08
2 A1' 1517 1454 0.00 3.70 0.69 0.82
3 A1' 1229 1178 0.00 32.35 0.09 0.17
4 A1" 1152 1105 0.00 0.00 0.75 0.86
5 A2' 1078 1033 0.00 0.00 0.75 0.86
6 A2" 3265 3130 27.25 0.00 0.75 0.86
7 A2" 859 823 0.52 0.00 0.75 0.86
8 E' 3157 3026 20.92 22.00 0.75 0.86
8 E' 3157 3026 20.91 22.00 0.75 0.86
9 E' 1457 1397 0.67 8.16 0.75 0.86
9 E' 1457 1397 0.67 8.16 0.75 0.86
10 E' 1056 1012 6.47 0.28 0.75 0.86
10 E' 1056 1012 6.47 0.28 0.75 0.86
11 E' 899 862 17.87 14.10 0.75 0.86
11 E' 899 862 17.87 14.10 0.75 0.86
12 E" 3245 3111 0.00 105.30 0.75 0.86
12 E" 3245 3111 0.00 105.30 0.75 0.86
13 E" 1208 1158 0.00 8.45 0.75 0.86
13 E" 1208 1158 0.00 8.45 0.75 0.86
14 E" 735 705 0.00 2.12 0.75 0.86
14 E" 735 705 0.00 2.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17891.1 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 17148.6 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/cc-pVDZ
ABC
0.66739 0.66739 0.41797

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.872 0.000
C2 0.755 -0.436 0.000
C3 -0.755 -0.436 0.000
H4 0.000 1.463 0.918
H5 1.267 -0.731 0.918
H6 -1.267 -0.731 0.918
H7 0.000 1.463 -0.918
H8 1.267 -0.731 -0.918
H9 -1.267 -0.731 -0.918

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51091.51091.09132.24032.24031.09132.24032.2403
C21.51091.51092.24031.09132.24032.24031.09132.2403
C31.51091.51092.24032.24031.09132.24032.24031.0913
H41.09132.24032.24032.53362.53361.83553.12863.1286
H52.24031.09132.24032.53362.53363.12861.83553.1286
H62.24032.24031.09132.53362.53363.12863.12861.8355
H71.09132.24032.24031.83553.12863.12862.53362.5336
H82.24031.09132.24033.12861.83553.12862.53362.5336
H92.24032.24031.09133.12863.12861.83552.53362.5336

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 117.942
C1 C2 H8 117.942 C1 C3 C2 60.000
C1 C3 H6 117.942 C1 C3 H9 117.942
C2 C1 C3 60.000 C2 C1 H4 117.942
C2 C1 H7 117.942 C2 C3 H6 117.942
C2 C3 H9 117.942 C3 C1 H4 117.942
C3 C1 H7 117.942 C3 C2 H5 117.942
C3 C2 H8 117.942 H4 C1 H7 114.488
H5 C2 H8 114.488 H6 C3 H9 114.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability