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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: TPSSh/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2v 1A1
Energy calculated at TPSSh/Def2TZVPP
 hartrees
Energy at 0K-116.677088
Energy at 298.15K-116.680309
HF Energy-116.677088
Nuclear repulsion energy63.937518
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 TPSSh/Def2TZVPP
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 3289 3289 0.02 150.94 0.13 0.23
2 A1 3034 3034 79.71 151.15 0.14 0.25
3 A1 1725 1725 16.77 50.32 0.11 0.20
4 A1 1529 1529 2.68 13.96 0.22 0.36
5 A1 1163 1163 0.59 14.46 0.13 0.23
6 A1 929 929 3.82 5.14 0.57 0.73
7 A2 1021 1021 0.00 6.35 0.75 0.86
8 A2 866 866 0.00 0.06 0.75 0.86
9 B1 3095 3095 49.00 102.61 0.75 0.86
10 B1 1112 1112 1.99 0.76 0.75 0.86
11 B1 610 610 79.99 0.50 0.75 0.86
12 B2 3243 3243 0.04 81.51 0.75 0.86
13 B2 1074 1074 29.32 0.32 0.75 0.86
14 B2 1037 1037 27.28 0.00 0.75 0.86
15 B2 804 804 16.25 14.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12265.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12265.3 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 TPSSh/Def2TZVPP
ABC
1.01067 0.73374 0.46442

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.860
C2 0.000 0.645 -0.499
C3 0.000 -0.645 -0.499
H4 0.000 1.576 -1.040
H5 0.000 -1.576 -1.040
H6 0.912 0.000 1.456
H7 -0.912 0.000 1.456

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7
C11.50471.50472.46852.46851.09001.0900
C21.50471.29081.07622.28612.25242.2524
C31.50471.29082.28611.07622.25242.2524
H42.46851.07622.28613.15153.09003.0900
H52.46852.28611.07623.15153.09003.0900
H61.09002.25242.25243.09003.09001.8249
H71.09002.25242.25243.09003.09001.8249

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.602 C1 C2 H4 145.572
C1 C3 C2 64.602 C1 C3 H5 145.572
C2 C1 C3 50.797 C2 C1 H6 119.616
C2 C1 H7 119.616 C2 C3 H5 149.827
C3 C1 H6 119.616 C3 C1 H7 119.616
C3 C2 H4 149.827 H6 C1 H7 113.670
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.123      
2 C -0.106      
3 C -0.106      
4 H 0.122      
5 H 0.122      
6 H 0.046      
7 H 0.046      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.478 0.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.762 0.000 0.000
y 0.000 5.340 0.000
z 0.000 0.000 5.539


<r2> (average value of r2) Å2
<r2> 36.860
(<r2>)1/2 6.071