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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: QCISD(T)/aug-cc-pVTZ

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(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-117.678142
Energy at 298.15K-117.684486
HF Energy-117.101505
Nuclear repulsion energy75.660691
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(T)/aug-cc-pVTZ
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' 3151 3046        
2 A1' 1524 1474        
3 A1' 1208 1168        
4 A1" 1152 1114        
5 A2' 1077 1041        
6 A2" 3242 3135        
7 A2" 846 818        
8 E' 3140 3036        
8 E' 3140 3035        
9 E' 1474 1425        
9 E' 1474 1425        
10 E' 1047 1012        
10 E' 1047 1012        
11 E' 887 857        
11 E' 886 857        
12 E" 3222 3115        
12 E" 3222 3115        
13 E" 1209 1168        
13 E" 1208 1168        
14 E" 731 707        
14 E" 731 707        

Unscaled Zero Point Vibrational Energy (zpe) 17808.1 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 17216.9 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(T)/aug-cc-pVTZ
ABC
0.67091 0.67091 0.41945

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/aug-cc-pVTZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.872 0.000
C2 0.756 -0.436 0.000
C3 -0.756 -0.436 0.000
H4 0.000 1.454 0.912
H5 1.259 -0.727 0.912
H6 -1.259 -0.727 0.912
H7 0.000 1.454 -0.912
H8 1.259 -0.727 -0.912
H9 -1.259 -0.727 -0.912

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51111.51111.08202.23092.23091.08202.23092.2309
C21.51111.51112.23091.08202.23092.23091.08202.2309
C31.51111.51112.23092.23091.08202.23092.23091.0820
H41.08202.23092.23092.51902.51901.82443.11023.1102
H52.23091.08202.23092.51902.51903.11021.82443.1102
H62.23092.23091.08202.51902.51903.11023.11021.8244
H71.08202.23092.23091.82443.11023.11022.51902.5190
H82.23091.08202.23093.11021.82443.11022.51902.5190
H92.23092.23091.08203.11023.11021.82442.51902.5190

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 117.759
C1 C2 H8 117.759 C1 C3 C2 60.000
C1 C3 H6 117.759 C1 C3 H9 117.759
C2 C1 C3 60.000 C2 C1 H4 117.759
C2 C1 H7 117.759 C2 C3 H6 117.759
C2 C3 H9 117.759 C3 C1 H4 117.759
C3 C1 H7 117.759 C3 C2 H5 117.759
C3 C2 H8 117.759 H4 C1 H7 114.931
H5 C2 H8 114.931 H6 C3 H9 114.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability