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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: QCISD/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/cc-pVTZ
 hartrees
Energy at 0K-117.648904
Energy at 298.15K-117.655301
HF Energy-117.101204
Nuclear repulsion energy75.877483
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/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' 3175 3033 0.00      
2 A1' 1547 1478 0.00      
3 A1' 1230 1175 0.00      
4 A1" 1174 1122 0.00      
5 A2' 1109 1060 0.00      
6 A2" 3264 3119 27.92      
7 A2" 865 827 0.22      
8 E' 3163 3023 20.64      
8 E' 3163 3023 20.64      
9 E' 1493 1427 0.69      
9 E' 1493 1427 0.69      
10 E' 1078 1030 7.59      
10 E' 1078 1030 7.59      
11 E' 906 866 19.75      
11 E' 906 866 19.75      
12 E" 3244 3100 0.00      
12 E" 3244 3100 0.00      
13 E" 1231 1176 0.00      
13 E" 1231 1176 0.00      
14 E" 750 717 0.00      
14 E" 750 717 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18047.4 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 17244.3 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 QCISD/cc-pVTZ
ABC
0.67498 0.67498 0.42196

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.869 0.000
C2 0.753 -0.435 0.000
C3 -0.753 -0.435 0.000
H4 0.000 1.452 0.909
H5 1.257 -0.726 0.909
H6 -1.257 -0.726 0.909
H7 0.000 1.452 -0.909
H8 1.257 -0.726 -0.909
H9 -1.257 -0.726 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50571.50571.07992.22542.22541.07992.22542.2254
C21.50571.50572.22541.07992.22542.22541.07992.2254
C31.50571.50572.22542.22541.07992.22542.22541.0799
H41.07992.22542.22542.51482.51481.81853.10343.1034
H52.22541.07992.22542.51482.51483.10341.81853.1034
H62.22542.22541.07992.51482.51483.10343.10341.8185
H71.07992.22542.22541.81853.10343.10342.51482.5148
H82.22541.07992.22543.10341.81853.10342.51482.5148
H92.22542.22541.07993.10343.10341.81852.51482.5148

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 117.854
C1 C2 H8 117.854 C1 C3 C2 60.000
C1 C3 H6 117.854 C1 C3 H9 117.854
C2 C1 C3 60.000 C2 C1 H4 117.854
C2 C1 H7 117.854 C2 C3 H6 117.854
C2 C3 H9 117.854 C3 C1 H4 117.854
C3 C1 H7 117.854 C3 C2 H5 117.854
C3 C2 H8 117.854 H4 C1 H7 114.701
H5 C2 H8 114.701 H6 C3 H9 114.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability