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All results from a given calculation for C2H3 (vinyl)

using model chemistry: TPSSh/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at TPSSh/cc-pVDZ
 hartrees
Energy at 0K-77.915126
Energy at 298.15K-77.916619
HF Energy-77.915126
Nuclear repulsion energy28.221893
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3235 3146 2.22      
2 A' 3165 3078 4.96      
3 A' 3054 2970 5.60      
4 A' 1649 1604 1.52      
5 A' 1380 1342 6.92      
6 A' 1054 1025 10.61      
7 A' 712 692 21.78      
8 A" 913 888 71.01      
9 A" 809 787 6.46      

Unscaled Zero Point Vibrational Energy (zpe) 7985.9 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 7765.4 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 TPSSh/cc-pVDZ
ABC
7.69483 1.07376 0.94227

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.726 0.000
C2 0.050 -0.590 0.000
H3 -0.687 1.530 0.000
H4 -0.888 -1.170 0.000
H5 0.978 -1.173 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.31631.09122.11502.1140
C21.31632.24531.10251.0962
H31.09122.24532.70773.1756
H42.11501.10252.70771.8663
H52.11401.09623.17561.8663

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.708 C1 C2 H5 122.123
C2 C1 H3 137.499 H4 C2 H5 116.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.129      
2 C -0.060      
3 H 0.065      
4 H 0.061      
5 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.573 -0.265 0.000 0.632
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 2.670 -0.238 0.000
y -0.238 4.672 0.000
z 0.000 0.000 1.573


<r2> (average value of r2) Å2
<r2> 20.431
(<r2>)1/2 4.520