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All results from a given calculation for C3H6 (Cyclopropane)

using model chemistry: CCD/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 CCD/6-31G(2df,p)
 hartrees
Energy at 0K-117.591472
Energy at 298.15K-117.597876
HF Energy-117.074510
Nuclear repulsion energy75.813937
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 CCD/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' 3209 3040 0.00      
2 A1' 1555 1473 0.00      
3 A1' 1243 1178 0.00      
4 A1" 1184 1121 0.00      
5 A2' 1118 1059 0.00      
6 A2" 3303 3129 20.38      
7 A2" 866 821 0.27      
8 E' 3199 3030 15.92      
8 E' 3199 3030 15.92      
9 E' 1500 1421 0.45      
9 E' 1500 1421 0.45      
10 E' 1093 1036 6.36      
10 E' 1093 1036 6.36      
11 E' 925 876 16.26      
11 E' 925 876 16.26      
12 E" 3285 3111 0.00      
12 E" 3285 3111 0.00      
13 E" 1237 1171 0.00      
13 E" 1237 1171 0.00      
14 E" 751 711 0.00      
14 E" 751 711 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 18229.7 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 17267.2 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 CCD/6-31G(2df,p)
ABC
0.67402 0.67402 0.42131

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.869 0.000
C2 0.753 -0.435 0.000
C3 -0.753 -0.435 0.000
H4 0.000 1.455 0.910
H5 1.260 -0.727 0.910
H6 -1.260 -0.727 0.910
H7 0.000 1.455 -0.910
H8 1.260 -0.727 -0.910
H9 -1.260 -0.727 -0.910

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50591.50591.08182.22832.22831.08182.22832.2283
C21.50591.50592.22831.08182.22832.22831.08182.2283
C31.50591.50592.22832.22831.08182.22832.22831.0818
H41.08182.22832.22832.51992.51991.81943.10813.1081
H52.22831.08182.22832.51992.51993.10811.81943.1081
H62.22832.22831.08182.51992.51993.10813.10811.8194
H71.08182.22832.22831.81943.10813.10812.51992.5199
H82.22831.08182.22833.10811.81943.10812.51992.5199
H92.22832.22831.08183.10813.10811.81942.51992.5199

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 117.948
C1 C2 H8 117.948 C1 C3 C2 60.000
C1 C3 H6 117.948 C1 C3 H9 117.948
C2 C1 C3 60.000 C2 C1 H4 117.948
C2 C1 H7 117.948 C2 C3 H6 117.948
C2 C3 H9 117.948 C3 C1 H4 117.948
C3 C1 H7 117.948 C3 C2 H5 117.948
C3 C2 H8 117.948 H4 C1 H7 114.473
H5 C2 H8 114.473 H6 C3 H9 114.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability