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All results from a given calculation for C3H4 (cyclopropene)

using model chemistry: TPSSh/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-116.682492
Energy at 298.15K-116.685717
HF Energy-116.682492
Nuclear repulsion energy63.961278
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/aug-cc-pVQZ
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 3286 3286 0.01 153.35 0.13 0.23
2 A1 3030 3030 79.10 159.61 0.12 0.22
3 A1 1722 1722 17.52 61.48 0.07 0.12
4 A1 1529 1529 2.45 13.07 0.17 0.29
5 A1 1161 1161 0.44 16.09 0.11 0.20
6 A1 930 930 3.57 4.88 0.60 0.75
7 A2 1021 1021 0.00 2.25 0.75 0.86
8 A2 866 866 0.00 1.01 0.75 0.86
9 B1 3091 3091 47.81 114.42 0.75 0.86
10 B1 1112 1112 1.88 0.11 0.75 0.86
11 B1 610 610 81.82 0.07 0.75 0.86
12 B2 3240 3240 0.02 85.43 0.75 0.86
13 B2 1074 1074 27.49 0.23 0.75 0.86
14 B2 1038 1038 28.19 0.01 0.75 0.86
15 B2 803 803 16.03 12.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12256.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12256.3 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/aug-cc-pVQZ
ABC
1.01177 0.73397 0.46470

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVQZ

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 1.575 -1.040
H5 0.000 -1.575 -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
C11.50461.50462.46752.46751.08931.0893
C21.50461.29001.07542.28472.25162.2516
C31.50461.29002.28471.07542.25162.2516
H42.46751.07542.28473.14993.08843.0884
H52.46752.28471.07543.14993.08843.0884
H61.08932.25162.25163.08843.08841.8240
H71.08932.25162.25163.08843.08841.8240

picture of cyclopropene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 64.615 C1 C2 H4 145.536
C1 C3 C2 64.615 C1 C3 H5 145.536
C2 C1 C3 50.770 C2 C1 H6 119.609
C2 C1 H7 119.609 C2 C3 H5 149.849
C3 C1 H6 119.609 C3 C1 H7 119.609
C3 C2 H4 149.849 H6 C1 H7 113.694
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.760      
2 C -0.733      
3 C -0.733      
4 H 0.658      
5 H 0.658      
6 H 0.455      
7 H 0.455      


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 -0.470 0.470
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 4.175 0.000 0.000
y 0.000 5.568 0.000
z 0.000 0.000 5.734


<r2> (average value of r2) Å2
<r2> 36.874
(<r2>)1/2 6.072