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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCD/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CCD/CEP-121G*
 hartrees
Energy at 0K-20.353413
Energy at 298.15K-20.359788
HF Energy-19.922072
Nuclear repulsion energy42.766907
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 CCD/CEP-121G*
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' 3147 2968 0.00      
2 A1' 1551 1463 0.00      
3 A1' 1216 1147 0.00      
4 A1" 1180 1113 0.00      
5 A2' 1096 1034 0.00      
6 A2" 3245 3060 46.17      
7 A2" 853 804 0.19      
8 E' 3134 2956 26.82      
8 E' 3134 2956 26.82      
9 E' 1493 1408 0.74      
9 E' 1493 1408 0.74      
10 E' 1095 1033 9.13      
10 E' 1095 1033 9.13      
11 E' 897 846 24.25      
11 E' 897 846 24.25      
12 E" 3226 3042 0.00      
12 E" 3226 3042 0.00      
13 E" 1228 1158 0.00      
13 E" 1228 1158 0.00      
14 E" 752 709 0.00      
14 E" 752 709 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17967.8 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 16945.4 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 CCD/CEP-121G*
ABC
0.66084 0.66084 0.41272

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/CEP-121G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.879 0.000
C2 0.762 -0.440 0.000
C3 -0.762 -0.440 0.000
H4 0.000 1.466 0.917
H5 1.270 -0.733 0.917
H6 -1.270 -0.733 0.917
H7 0.000 1.466 -0.917
H8 1.270 -0.733 -0.917
H9 -1.270 -0.733 -0.917

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52331.52331.08882.24812.24811.08882.24812.2481
C21.52331.52332.24811.08882.24812.24811.08882.2481
C31.52331.52332.24812.24811.08882.24812.24811.0888
H41.08882.24812.24812.53952.53951.83443.13273.1327
H52.24811.08882.24812.53952.53953.13271.83443.1327
H62.24812.24811.08882.53952.53953.13273.13271.8344
H71.08882.24812.24811.83443.13273.13272.53952.5395
H82.24811.08882.24813.13271.83443.13272.53952.5395
H92.24812.24811.08883.13273.13271.83442.53952.5395

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 117.818
C1 C2 H8 117.818 C1 C3 C2 60.000
C1 C3 H6 117.818 C1 C3 H9 117.818
C2 C1 C3 60.000 C2 C1 H4 117.818
C2 C1 H7 117.818 C2 C3 H6 117.818
C2 C3 H9 117.818 C3 C1 H4 117.818
C3 C1 H7 117.818 C3 C2 H5 117.818
C3 C2 H8 117.818 H4 C1 H7 114.788
H5 C2 H8 114.788 H6 C3 H9 114.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability