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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: QCISD(TQ)/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 QCISD(TQ)/6-31G**
 hartrees
Energy at 0K-117.547762
Energy at 298.15K-117.554169
HF Energy-117.068662
Nuclear repulsion energy75.703911
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 QCISD(TQ)/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' 3209 3209        
2 A1' 1577 1577        
3 A1' 1241 1241        
4 A1" 1193 1193        
5 A2' 1115 1115        
6 A2" 3301 3301        
7 A2" 873 873        
8 E' 3198 3198        
8 E' 3198 3198        
9 E' 1522 1522        
9 E' 1522 1522        
10 E' 1110 1110        
10 E' 1110 1110        
11 E' 913 913        
11 E' 913 913        
12 E" 3282 3282        
12 E" 3282 3282        
13 E" 1246 1246        
13 E" 1246 1246        
14 E" 759 759        
14 E" 759 759        

Unscaled Zero Point Vibrational Energy (zpe) 18283.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18283.9 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 QCISD(TQ)/6-31G**
ABC
0.67200 0.67200 0.41964

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/6-31G**

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.871 0.000
C2 0.754 -0.436 0.000
C3 -0.754 -0.436 0.000
H4 0.000 1.458 0.909
H5 1.263 -0.729 0.909
H6 -1.263 -0.729 0.909
H7 0.000 1.458 -0.909
H8 1.263 -0.729 -0.909
H9 -1.263 -0.729 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50871.50871.08242.23202.23201.08242.23202.2320
C21.50871.50872.23201.08242.23202.23201.08242.2320
C31.50871.50872.23202.23201.08242.23202.23201.0824
H41.08242.23202.23202.52562.52561.81873.11233.1123
H52.23201.08242.23202.52562.52563.11231.81873.1123
H62.23202.23201.08242.52562.52563.11233.11231.8187
H71.08242.23202.23201.81873.11233.11232.52562.5256
H82.23201.08242.23203.11231.81873.11232.52562.5256
H92.23202.23201.08243.11233.11231.81872.52562.5256

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 118.018
C1 C2 H8 118.018 C1 C3 C2 60.000
C1 C3 H6 118.018 C1 C3 H9 118.018
C2 C1 C3 60.000 C2 C1 H4 118.018
C2 C1 H7 118.018 C2 C3 H6 118.018
C2 C3 H9 118.018 C3 C1 H4 118.018
C3 C1 H7 118.018 C3 C2 H5 118.018
C3 C2 H8 118.018 H4 C1 H7 114.303
H5 C2 H8 114.303 H6 C3 H9 114.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability