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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: QCISD(TQ)/CEP-121G*

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(TQ)/CEP-121G*
 hartrees
Energy at 0K-20.370455
Energy at 298.15K-20.376800
HF Energy-19.921661
Nuclear repulsion energy42.670115
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(TQ)/CEP-121G*
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' 3123 3123        
2 A1' 1535 1535        
3 A1' 1198 1198        
4 A1" 1171 1171        
5 A2' 1075 1075        
6 A2" 3220 3220        
7 A2" 844 844        
8 E' 3111 3111        
8 E' 3111 3111        
9 E' 1481 1481        
9 E' 1481 1481        
10 E' 1083 1083        
10 E' 1083 1083        
11 E' 879 879        
11 E' 879 879        
12 E" 3201 3201        
12 E" 3200 3200        
13 E" 1217 1217        
13 E" 1217 1217        
14 E" 744 744        
14 E" 743 743        

Unscaled Zero Point Vibrational Energy (zpe) 17797.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17797.4 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(TQ)/CEP-121G*
ABC
0.65740 0.65740 0.41049

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/CEP-121G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.882 0.000
C2 0.764 -0.441 0.000
C3 -0.764 -0.441 0.000
H4 0.000 1.469 0.919
H5 1.272 -0.734 0.919
H6 -1.272 -0.734 0.919
H7 0.000 1.469 -0.919
H8 1.272 -0.734 -0.919
H9 -1.272 -0.734 -0.919

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52811.52811.09042.25312.25311.09042.25312.2531
C21.52811.52812.25311.09042.25312.25311.09042.2531
C31.52811.52812.25312.25311.09042.25312.25311.0904
H41.09042.25312.25312.54412.54411.83843.13883.1388
H52.25311.09042.25312.54412.54413.13881.83843.1388
H62.25312.25311.09042.54412.54413.13883.13881.8384
H71.09042.25312.25311.83843.13883.13882.54412.5441
H82.25311.09042.25313.13881.83843.13882.54412.5441
H92.25312.25311.09043.13883.13881.83842.54412.5441

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 117.768
C1 C2 H8 117.768 C1 C3 C2 60.000
C1 C3 H6 117.768 C1 C3 H9 117.768
C2 C1 C3 60.000 C2 C1 H4 117.768
C2 C1 H7 117.768 C2 C3 H6 117.768
C2 C3 H9 117.768 C3 C1 H4 117.768
C3 C1 H7 117.768 C3 C2 H5 117.768
C3 C2 H8 117.768 H4 C1 H7 114.910
H5 C2 H8 114.910 H6 C3 H9 114.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability