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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CISD/6-311G*

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/6-311G*
 hartrees
Energy at 0K-117.476298
Energy at 298.15K-117.482745
HF Energy-117.078153
Nuclear repulsion energy75.880403
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/6-311G*
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' 3223 2982 0.00      
2 A1' 1595 1476 0.00      
3 A1' 1263 1169 0.00      
4 A1" 1206 1116 0.00      
5 A2' 1134 1049 0.00      
6 A2" 3313 3065 42.89      
7 A2" 883 817 0.26      
8 E' 3209 2969 25.52      
8 E' 3209 2969 25.52      
9 E' 1533 1419 2.12      
9 E' 1533 1419 2.12      
10 E' 1117 1033 8.64      
10 E' 1117 1033 8.64      
11 E' 931 861 23.93      
11 E' 931 861 23.93      
12 E" 3292 3046 0.00      
12 E" 3292 3046 0.00      
13 E" 1265 1170 0.00      
13 E" 1265 1170 0.00      
14 E" 777 719 0.00      
14 E" 777 719 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18431.1 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 17054.3 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 CISD/6-311G*
ABC
0.67526 0.67526 0.42201

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.869 0.000
C2 0.752 -0.434 0.000
C3 -0.752 -0.434 0.000
H4 0.000 1.454 0.909
H5 1.259 -0.727 0.909
H6 -1.259 -0.727 0.909
H7 0.000 1.454 -0.909
H8 1.259 -0.727 -0.909
H9 -1.259 -0.727 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50431.50431.08112.22672.22671.08112.22672.2267
C21.50431.50432.22671.08112.22672.22671.08112.2267
C31.50431.50432.22672.22671.08112.22672.22671.0811
H41.08112.22672.22672.51902.51901.81723.10603.1060
H52.22671.08112.22672.51902.51903.10601.81723.1060
H62.22672.22671.08112.51902.51903.10603.10601.8172
H71.08112.22672.22671.81723.10603.10602.51902.5190
H82.22671.08112.22673.10601.81723.10602.51902.5190
H92.22672.22671.08113.10603.10601.81722.51902.5190

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 117.988
C1 C2 H8 117.988 C1 C3 C2 60.000
C1 C3 H6 117.988 C1 C3 H9 117.988
C2 C1 C3 60.000 C2 C1 H4 117.988
C2 C1 H7 117.988 C2 C3 H6 117.988
C2 C3 H9 117.988 C3 C1 H4 117.988
C3 C1 H7 117.988 C3 C2 H5 117.988
C3 C2 H8 117.988 H4 C1 H7 114.376
H5 C2 H8 114.376 H6 C3 H9 114.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability