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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCSD/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at CCSD/CEP-31G*
 hartrees
Energy at 0K-20.317280
Energy at 298.15K-20.323601
HF Energy-19.910654
Nuclear repulsion energy42.366924
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 CCSD/CEP-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1' 3157 2978 0.00      
2 A1' 1555 1467 0.00      
3 A1' 1222 1152 0.00      
4 A1" 1160 1094 0.00      
5 A2' 1067 1006 0.00      
6 A2" 3256 3071 70.95      
7 A2" 843 795 1.18      
8 E' 3144 2965 35.72      
8 E' 3144 2965 35.72      
9 E' 1474 1390 1.04      
9 E' 1474 1390 1.04      
10 E' 1072 1011 8.92      
10 E' 1072 1011 8.92      
11 E' 890 839 25.86      
11 E' 890 839 25.86      
12 E" 3235 3051 0.00      
12 E" 3235 3051 0.00      
13 E" 1206 1137 0.00      
13 E" 1206 1137 0.00      
14 E" 731 690 0.00      
14 E" 731 690 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 17880.9 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 16863.5 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 CCSD/CEP-31G*
ABC
0.64821 0.64821 0.40521

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.888 0.000
C2 0.769 -0.444 0.000
C3 -0.769 -0.444 0.000
H4 0.000 1.477 0.928
H5 1.279 -0.739 0.928
H6 -1.279 -0.739 0.928
H7 0.000 1.477 -0.928
H8 1.279 -0.739 -0.928
H9 -1.279 -0.739 -0.928

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53861.53861.09882.26802.26801.09882.26802.2680
C21.53861.53862.26801.09882.26802.26801.09882.2680
C31.53861.53862.26802.26801.09882.26802.26801.0988
H41.09882.26802.26802.55842.55841.85563.16053.1605
H52.26801.09882.26802.55842.55843.16051.85563.1605
H62.26802.26801.09882.55842.55843.16053.16051.8556
H71.09882.26802.26801.85563.16053.16052.55842.5584
H82.26801.09882.26803.16051.85563.16052.55842.5584
H92.26802.26801.09883.16053.16051.85562.55842.5584

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 117.646
C1 C2 H8 117.646 C1 C3 C2 60.000
C1 C3 H6 117.646 C1 C3 H9 117.646
C2 C1 C3 60.000 C2 C1 H4 117.646
C2 C1 H7 117.646 C2 C3 H6 117.646
C2 C3 H9 117.646 C3 C1 H4 117.646
C3 C1 H7 117.646 C3 C2 H5 117.646
C3 C2 H8 117.646 H4 C1 H7 115.205
H5 C2 H8 115.205 H6 C3 H9 115.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability