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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-117.483365
Energy at 298.15K-117.489779
HF Energy-117.058150
Nuclear repulsion energy75.639609
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 CCSD/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' 3183 3006        
2 A1' 1579 1491        
3 A1' 1255 1185        
4 A1" 1190 1124        
5 A2' 1123 1060        
6 A2" 3267 3085        
7 A2" 879 830        
8 E' 3172 2995        
8 E' 3172 2995        
9 E' 1521 1436        
9 E' 1521 1436        
10 E' 1113 1051        
10 E' 1113 1051        
11 E' 924 873        
11 E' 924 873        
12 E" 3249 3068        
12 E" 3249 3068        
13 E" 1249 1180        
13 E" 1249 1179        
14 E" 767 724        
14 E" 766 724        

Unscaled Zero Point Vibrational Energy (zpe) 18232.4 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 17216.8 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 CCSD/6-31G*
ABC
0.67129 0.67129 0.41975

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.870 0.000
C2 0.753 -0.435 0.000
C3 -0.753 -0.435 0.000
H4 0.000 1.462 0.912
H5 1.266 -0.731 0.912
H6 -1.266 -0.731 0.912
H7 0.000 1.462 -0.912
H8 1.266 -0.731 -0.912
H9 -1.266 -0.731 -0.912

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50671.50671.08742.23542.23541.08742.23542.2354
C21.50671.50672.23541.08742.23542.23541.08742.2354
C31.50671.50672.23542.23541.08742.23542.23541.0874
H41.08742.23542.23542.53182.53181.82453.12073.1207
H52.23541.08742.23542.53182.53183.12071.82453.1207
H62.23542.23541.08742.53182.53183.12073.12071.8245
H71.08742.23542.23541.82453.12073.12072.53182.5318
H82.23541.08742.23543.12071.82453.12072.53182.5318
H92.23542.23541.08743.12073.12071.82452.53182.5318

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 118.124
C1 C2 H8 118.124 C1 C3 C2 60.000
C1 C3 H6 118.124 C1 C3 H9 118.124
C2 C1 C3 60.000 C2 C1 H4 118.124
C2 C1 H7 118.124 C2 C3 H6 118.124
C2 C3 H9 118.124 C3 C1 H4 118.124
C3 C1 H7 118.124 C3 C2 H5 118.124
C3 C2 H8 118.124 H4 C1 H7 114.046
H5 C2 H8 114.046 H6 C3 H9 114.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability