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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CISD/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 CISD/6-31+G**
 hartrees
Energy at 0K-117.486943
Energy at 298.15K-117.493416
HF Energy-117.071156
Nuclear repulsion energy76.077892
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/6-31+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' 3274 3018 0.00      
2 A1' 1614 1488 0.00      
3 A1' 1273 1174 0.00      
4 A1" 1219 1124 0.00      
5 A2' 1161 1070 0.00      
6 A2" 3366 3103 34.58      
7 A2" 896 826 0.12      
8 E' 3262 3007 23.55      
8 E' 3262 3007 23.55      
9 E' 1552 1430 0.27      
9 E' 1552 1430 0.27      
10 E' 1142 1052 7.76      
10 E' 1142 1052 7.76      
11 E' 938 864 26.60      
11 E' 938 864 26.60      
12 E" 3347 3085 0.00      
12 E" 3347 3085 0.00      
13 E" 1275 1176 0.00      
13 E" 1275 1176 0.00      
14 E" 784 723 0.00      
14 E" 784 723 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18700.6 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 17238.2 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/6-31+G**
ABC
0.67870 0.67870 0.42395

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.867 0.000
C2 0.751 -0.433 0.000
C3 -0.751 -0.433 0.000
H4 0.000 1.451 0.905
H5 1.256 -0.725 0.905
H6 -1.256 -0.725 0.905
H7 0.000 1.451 -0.905
H8 1.256 -0.725 -0.905
H9 -1.256 -0.725 -0.905

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50111.50111.07732.22082.22081.07732.22082.2208
C21.50111.50112.22081.07732.22082.22081.07732.2208
C31.50111.50112.22082.22081.07732.22082.22081.0773
H41.07732.22082.22082.51252.51251.81073.09703.0970
H52.22081.07732.22082.51252.51253.09701.81073.0970
H62.22082.22081.07732.51252.51253.09703.09701.8107
H71.07732.22082.22081.81073.09703.09702.51252.5125
H82.22081.07732.22083.09701.81073.09702.51252.5125
H92.22082.22081.07733.09703.09701.81072.51252.5125

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 117.995
C1 C2 H8 117.995 C1 C3 C2 60.000
C1 C3 H6 117.995 C1 C3 H9 117.995
C2 C1 C3 60.000 C2 C1 H4 117.995
C2 C1 H7 117.995 C2 C3 H6 117.995
C2 C3 H9 117.995 C3 C1 H4 117.995
C3 C1 H7 117.995 C3 C2 H5 117.995
C3 C2 H8 117.995 H4 C1 H7 114.359
H5 C2 H8 114.359 H6 C3 H9 114.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability