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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CISD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CISD/TZVP
 hartrees
Energy at 0K-117.524382
Energy at 298.15K-117.530854
HF Energy-117.097162
Nuclear repulsion energy76.178070
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 CISD/TZVP
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' 3244 3244 0.00      
2 A1' 1592 1592 0.00      
3 A1' 1259 1259 0.00      
4 A1" 1218 1218 0.00      
5 A2' 1160 1160 0.00      
6 A2" 3336 3336 33.83      
7 A2" 893 893 0.02      
8 E' 3232 3232 22.25      
8 E' 3232 3232 22.25      
9 E' 1535 1535 0.64      
9 E' 1535 1535 0.64      
10 E' 1135 1135 7.22      
10 E' 1135 1135 7.22      
11 E' 927 927 23.67      
11 E' 927 927 23.67      
12 E" 3316 3316 0.00      
12 E" 3316 3316 0.00      
13 E" 1270 1270 0.00      
13 E" 1270 1270 0.00      
14 E" 784 784 0.00      
14 E" 784 784 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18551.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18551.5 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 CISD/TZVP
ABC
0.68046 0.68046 0.42553

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/TZVP

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.865 0.000
C2 0.749 -0.433 0.000
C3 -0.749 -0.433 0.000
H4 0.000 1.447 0.906
H5 1.253 -0.723 0.906
H6 -1.253 -0.723 0.906
H7 0.000 1.447 -0.906
H8 1.253 -0.723 -0.906
H9 -1.253 -0.723 -0.906

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.49881.49881.07682.21712.21711.07682.21712.2171
C21.49881.49882.21711.07682.21712.21711.07682.2171
C31.49881.49882.21712.21711.07682.21712.21711.0768
H41.07682.21712.21712.50612.50611.81253.09283.0928
H52.21711.07682.21712.50612.50613.09281.81253.0928
H62.21712.21711.07682.50612.50613.09283.09281.8125
H71.07682.21712.21711.81253.09283.09282.50612.5061
H82.21711.07682.21713.09281.81253.09282.50612.5061
H92.21712.21711.07683.09283.09281.81252.50612.5061

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 117.887
C1 C2 H8 117.887 C1 C3 C2 60.000
C1 C3 H6 117.887 C1 C3 H9 117.887
C2 C1 C3 60.000 C2 C1 H4 117.887
C2 C1 H7 117.887 C2 C3 H6 117.887
C2 C3 H9 117.887 C3 C1 H4 117.887
C3 C1 H7 117.887 C3 C2 H5 117.887
C3 C2 H8 117.887 H4 C1 H7 114.620
H5 C2 H8 114.620 H6 C3 H9 114.620
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability