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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-117.284169
Energy at 298.15K-117.290649
HF Energy-117.006900
Nuclear repulsion energy75.157772
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 CISD/6-31G
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' 3211 3011 0.00      
2 A1' 1595 1496 0.00      
3 A1' 1241 1163 0.00      
4 A1" 1218 1142 0.00      
5 A2' 1200 1126 0.00      
6 A2" 3294 3089 45.31      
7 A2" 900 844 0.36      
8 E' 3193 2994 22.69      
8 E' 3193 2994 22.69      
9 E' 1563 1465 1.55      
9 E' 1563 1465 1.55      
10 E' 1175 1102 12.15      
10 E' 1175 1102 12.15      
11 E' 907 850 22.51      
11 E' 907 850 22.51      
12 E" 3272 3068 0.00      
12 E" 3272 3068 0.00      
13 E" 1278 1199 0.00      
13 E" 1278 1199 0.00      
14 E" 806 756 0.00      
14 E" 806 756 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18521.7 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 17369.7 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 CISD/6-31G
ABC
0.66224 0.66224 0.41190

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.879 0.000
C2 0.761 -0.439 0.000
C3 -0.761 -0.439 0.000
H4 0.000 1.473 0.909
H5 1.276 -0.737 0.909
H6 -1.276 -0.737 0.909
H7 0.000 1.473 -0.909
H8 1.276 -0.737 -0.909
H9 -1.276 -0.737 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52221.52221.08562.25002.25001.08562.25002.2500
C21.52221.52222.25001.08562.25002.25001.08562.2500
C31.52221.52222.25002.25001.08562.25002.25001.0856
H41.08562.25002.25002.55142.55141.81723.13243.1324
H52.25001.08562.25002.55142.55143.13241.81723.1324
H62.25002.25001.08562.55142.55143.13243.13241.8172
H71.08562.25002.25001.81723.13243.13242.55142.5514
H82.25001.08562.25003.13241.81723.13242.55142.5514
H92.25002.25001.08563.13243.13241.81722.55142.5514

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 118.294
C1 C2 H8 118.294 C1 C3 C2 60.000
C1 C3 H6 118.294 C1 C3 H9 118.294
C2 C1 C3 60.000 C2 C1 H4 118.294
C2 C1 H7 118.294 C2 C3 H6 118.294
C2 C3 H9 118.294 C3 C1 H4 118.294
C3 C1 H7 118.294 C3 C2 H5 118.294
C3 C2 H8 118.294 H4 C1 H7 113.633
H5 C2 H8 113.633 H6 C3 H9 113.633
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability