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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: QCISD/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-117.313179
Energy at 298.15K-117.319555
HF Energy-117.013977
Nuclear repulsion energy73.918803
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/LANL2DZ
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' 3117 2973 0.00      
2 A1' 1526 1456 0.00      
3 A1' 1179 1124 0.00      
4 A1" 1171 1117 0.00      
5 A2' 1143 1091 0.00      
6 A2" 3215 3066 63.21      
7 A2" 875 835 2.56      
8 E' 3100 2957 31.94      
8 E' 3100 2957 31.94      
9 E' 1492 1423 2.61      
9 E' 1492 1423 2.61      
10 E' 1128 1076 15.39      
10 E' 1128 1076 15.39      
11 E' 845 805 23.28      
11 E' 845 805 23.28      
12 E" 3194 3046 0.00      
12 E" 3194 3046 0.00      
13 E" 1226 1169 0.00      
13 E" 1226 1169 0.00      
14 E" 783 747 0.00      
14 E" 783 747 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17882.2 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 17054.2 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 QCISD/LANL2DZ
ABC
0.63969 0.63969 0.39731

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/LANL2DZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.897 0.000
C2 0.777 -0.449 0.000
C3 -0.777 -0.449 0.000
H4 0.000 1.491 0.922
H5 1.292 -0.746 0.922
H6 -1.292 -0.746 0.922
H7 0.000 1.491 -0.922
H8 1.292 -0.746 -0.922
H9 -1.292 -0.746 -0.922

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.55401.55401.09672.28412.28411.09672.28412.2841
C21.55401.55402.28411.09672.28412.28411.09672.2841
C31.55401.55402.28412.28411.09672.28412.28411.0967
H41.09672.28412.28412.58312.58311.84363.17353.1735
H52.28411.09672.28412.58312.58313.17351.84363.1735
H62.28412.28411.09672.58312.58313.17353.17351.8436
H71.09672.28412.28411.84363.17353.17352.58312.5831
H82.28411.09672.28413.17351.84363.17352.58312.5831
H92.28412.28411.09673.17353.17351.84362.58312.5831

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 117.980
C1 C2 H8 117.980 C1 C3 C2 60.000
C1 C3 H6 117.980 C1 C3 H9 117.980
C2 C1 C3 60.000 C2 C1 H4 117.980
C2 C1 H7 117.980 C2 C3 H6 117.980
C2 C3 H9 117.980 C3 C1 H4 117.980
C3 C1 H7 117.980 C3 C2 H5 117.980
C3 C2 H8 117.980 H4 C1 H7 114.395
H5 C2 H8 114.395 H6 C3 H9 114.395
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability