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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: QCISD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-117.538955
Energy at 298.15K-117.545382
HF Energy-117.070879
Nuclear repulsion energy 
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/6-31+G**
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' 3215 3039 0.00      
2 A1' 1581 1494 0.00      
3 A1' 1245 1177 0.00      
4 A1" 1195 1130 0.00      
5 A2' 1128 1066 0.00      
6 A2" 3306 3126 35.88      
7 A2" 880 832 0.10      
8 E' 3203 3028 24.07      
8 E' 3203 3028 24.07      
9 E' 1523 1440 0.12      
9 E' 1523 1440 0.12      
10 E' 1118 1057 8.68      
10 E' 1118 1057 8.68      
11 E' 913 863 24.08      
11 E' 913 863 24.08      
12 E" 3287 3108 0.00      
12 E" 3287 3108 0.00      
13 E" 1250 1182 0.00      
13 E" 1250 1182 0.00      
14 E" 771 729 0.00      
14 E" 771 729 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18339.0 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 17337.7 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/6-31+G**
ABC
0.67263 0.67263 0.42022

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.871 0.000
C2 0.754 -0.435 0.000
C3 -0.754 -0.435 0.000
H4 0.000 1.456 0.910
H5 1.261 -0.728 0.910
H6 -1.261 -0.728 0.910
H7 0.000 1.456 -0.910
H8 1.261 -0.728 -0.910
H9 -1.261 -0.728 -0.910

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50801.50801.08192.23042.23041.08192.23042.2304
C21.50801.50802.23041.08192.23042.23041.08192.2304
C31.50801.50802.23042.23041.08192.23042.23041.0819
H41.08192.23042.23042.52252.52251.81943.11023.1102
H52.23041.08192.23042.52252.52253.11021.81943.1102
H62.23042.23041.08192.52252.52253.11023.11021.8194
H71.08192.23042.23041.81943.11023.11022.52252.5225
H82.23041.08192.23043.11021.81943.11022.52252.5225
H92.23042.23041.08193.11023.11021.81942.52252.5225

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 117.957
C1 C2 H8 117.957 C1 C3 C2 60.000
C1 C3 H6 117.957 C1 C3 H9 117.957
C2 C1 C3 60.000 C2 C1 H4 117.957
C2 C1 H7 117.957 C2 C3 H6 117.957
C2 C3 H9 117.957 C3 C1 H4 117.957
C3 C1 H7 117.957 C3 C2 H5 117.957
C3 C2 H8 117.957 H4 C1 H7 114.450
H5 C2 H8 114.450 H6 C3 H9 114.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability