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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCD/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 CCD/6-31G**
 hartrees
Energy at 0K-117.530893
Energy at 298.15K-117.537333
HF Energy-117.068882
Nuclear repulsion energy75.890364
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/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' 3233 3031 0.00      
2 A1' 1596 1497 0.00      
3 A1' 1261 1182 0.00      
4 A1" 1204 1129 0.00      
5 A2' 1136 1065 0.00      
6 A2" 3325 3117 36.63      
7 A2" 882 827 0.03      
8 E' 3222 3021 22.78      
8 E' 3222 3021 22.78      
9 E' 1536 1440 0.11      
9 E' 1536 1440 0.11      
10 E' 1129 1058 5.88      
10 E' 1129 1058 5.88      
11 E' 932 874 17.53      
11 E' 932 874 17.53      
12 E" 3307 3101 0.00      
12 E" 3307 3101 0.00      
13 E" 1259 1181 0.00      
13 E" 1259 1181 0.00      
14 E" 769 721 0.00      
14 E" 769 721 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18473.0 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 17320.3 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 CCD/6-31G**
ABC
0.67549 0.67549 0.42195

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.868 0.000
C2 0.752 -0.434 0.000
C3 -0.752 -0.434 0.000
H4 0.000 1.455 0.908
H5 1.260 -0.728 0.908
H6 -1.260 -0.728 0.908
H7 0.000 1.455 -0.908
H8 1.260 -0.728 -0.908
H9 -1.260 -0.728 -0.908

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50401.50401.08082.22702.22701.08082.22702.2270
C21.50401.50402.22701.08082.22702.22701.08082.2270
C31.50401.50402.22702.22701.08082.22702.22701.0808
H41.08082.22702.22702.52072.52071.81513.10623.1062
H52.22701.08082.22702.52072.52073.10621.81513.1062
H62.22702.22701.08082.52072.52073.10623.10621.8151
H71.08082.22702.22701.81513.10623.10622.52072.5207
H82.22701.08082.22703.10621.81513.10622.52072.5207
H92.22702.22701.08083.10623.10621.81512.52072.5207

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 118.056
C1 C2 H8 118.056 C1 C3 C2 60.000
C1 C3 H6 118.056 C1 C3 H9 118.056
C2 C1 C3 60.000 C2 C1 H4 118.056
C2 C1 H7 118.056 C2 C3 H6 118.056
C2 C3 H9 118.056 C3 C1 H4 118.056
C3 C1 H7 118.056 C3 C2 H5 118.056
C3 C2 H8 118.056 H4 C1 H7 114.211
H5 C2 H8 114.211 H6 C3 H9 114.211
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability