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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CISD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-117.534341
Energy at 298.15K-117.540792
HF Energy-117.074787
Nuclear repulsion energy76.137446
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/6-31G(2df,p)
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' 3261 3261 0.00      
2 A1' 1589 1589 0.00      
3 A1' 1268 1268 0.00      
4 A1" 1210 1210 0.00      
5 A2' 1150 1150 0.00      
6 A2" 3354 3354 23.71      
7 A2" 883 883 0.26      
8 E' 3249 3249 18.86      
8 E' 3249 3249 18.86      
9 E' 1531 1531 0.43      
9 E' 1531 1531 0.43      
10 E' 1122 1122 5.54      
10 E' 1122 1122 5.54      
11 E' 944 944 18.01      
11 E' 944 944 18.01      
12 E" 3334 3334 0.00      
12 E" 3334 3334 0.00      
13 E" 1263 1263 0.00      
13 E" 1263 1263 0.00      
14 E" 765 765 0.00      
14 E" 765 765 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18565.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18565.6 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/6-31G(2df,p)
ABC
0.67983 0.67983 0.42484

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G(2df,p)

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.866 0.000
C2 0.750 -0.433 0.000
C3 -0.750 -0.433 0.000
H4 0.000 1.450 0.905
H5 1.255 -0.725 0.905
H6 -1.255 -0.725 0.905
H7 0.000 1.450 -0.905
H8 1.255 -0.725 -0.905
H9 -1.255 -0.725 -0.905

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.49931.49931.07732.21922.21921.07732.21922.2192
C21.49931.49932.21921.07732.21922.21921.07732.2192
C31.49931.49932.21922.21921.07732.21922.21921.0773
H41.07732.21922.21922.51062.51061.81073.09553.0955
H52.21921.07732.21922.51062.51063.09551.81073.0955
H62.21922.21921.07732.51062.51063.09553.09551.8107
H71.07732.21922.21921.81073.09553.09552.51062.5106
H82.21921.07732.21923.09551.81073.09552.51062.5106
H92.21922.21921.07733.09553.09551.81072.51062.5106

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 117.994
C1 C2 H8 117.994 C1 C3 C2 60.000
C1 C3 H6 117.994 C1 C3 H9 117.994
C2 C1 C3 60.000 C2 C1 H4 117.994
C2 C1 H7 117.994 C2 C3 H6 117.994
C2 C3 H9 117.994 C3 C1 H4 117.994
C3 C1 H7 117.994 C3 C2 H5 117.994
C3 C2 H8 117.994 H4 C1 H7 114.362
H5 C2 H8 114.362 H6 C3 H9 114.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability