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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CISD/SDD

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/SDD
 hartrees
Energy at 0K-117.284683
Energy at 298.15K-117.291116
HF Energy-117.016567
Nuclear repulsion energy74.406463
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/SDD
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' 3192 2942 0.00      
2 A1' 1564 1441 0.00      
3 A1' 1216 1121 0.00      
4 A1" 1197 1103 0.00      
5 A2' 1176 1084 0.00      
6 A2" 3288 3031 63.11      
7 A2" 892 822 2.52      
8 E' 3170 2922 32.40      
8 E' 3170 2922 32.40      
9 E' 1526 1407 3.05      
9 E' 1526 1407 3.05      
10 E' 1152 1062 14.07      
10 E' 1152 1062 14.07      
11 E' 875 807 27.01      
11 E' 875 807 27.01      
12 E" 3266 3010 0.00      
12 E" 3266 3010 0.00      
13 E" 1254 1156 0.00      
13 E" 1254 1156 0.00      
14 E" 798 736 0.00      
14 E" 798 736 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18302.6 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 16871.3 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 CISD/SDD
ABC
0.64824 0.64824 0.40257

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.891 0.000
C2 0.772 -0.446 0.000
C3 -0.772 -0.446 0.000
H4 0.000 1.483 0.915
H5 1.284 -0.741 0.915
H6 -1.284 -0.741 0.915
H7 0.000 1.483 -0.915
H8 1.284 -0.741 -0.915
H9 -1.284 -0.741 -0.915

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.54341.54341.08992.26962.26961.08992.26962.2696
C21.54341.54342.26961.08992.26962.26961.08992.2696
C31.54341.54342.26962.26961.08992.26962.26961.0899
H41.08992.26962.26962.56782.56781.83093.15373.1537
H52.26961.08992.26962.56782.56783.15371.83093.1537
H62.26962.26961.08992.56782.56783.15373.15371.8309
H71.08992.26962.26961.83093.15373.15372.56782.5678
H82.26961.08992.26963.15371.83093.15372.56782.5678
H92.26962.26961.08993.15373.15371.83092.56782.5678

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 118.031
C1 C2 H8 118.031 C1 C3 C2 60.000
C1 C3 H6 118.031 C1 C3 H9 118.031
C2 C1 C3 60.000 C2 C1 H4 118.031
C2 C1 H7 118.031 C2 C3 H6 118.031
C2 C3 H9 118.031 C3 C1 H4 118.031
C3 C1 H7 118.031 C3 C2 H5 118.031
C3 C2 H8 118.031 H4 C1 H7 114.271
H5 C2 H8 114.271 H6 C3 H9 114.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability