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All results from a given calculation for C2H3 (vinyl)

using model chemistry: PBEPBEultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBEultrafine/6-31+G**
 hartrees
Energy at 0K-77.797207
Energy at 298.15K-77.798655
HF Energy-77.797207
Nuclear repulsion energy28.176820
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 PBEPBEultrafine/6-31+G**
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' 3194 3157 0.81      
2 A' 3098 3063 3.11      
3 A' 2992 2958 5.36      
4 A' 1619 1600 2.30      
5 A' 1347 1331 7.69      
6 A' 1010 999 7.26      
7 A' 688 680 25.91      
8 A" 880 870 98.64      
9 A" 774 766 12.44      

Unscaled Zero Point Vibrational Energy (zpe) 7800.7 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 7711.8 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 PBEPBEultrafine/6-31+G**
ABC
7.75757 1.06741 0.93830

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.727 0.000
C2 0.049 -0.592 0.000
H3 -0.675 1.542 0.000
H4 -0.888 -1.177 0.000
H5 0.978 -1.177 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.31851.09032.12142.1182
C21.31852.25321.10421.0978
H31.09032.25322.72703.1818
H42.12141.10422.72701.8653
H52.11821.09783.18181.8653

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.993 C1 C2 H5 122.208
C2 C1 H3 138.388 H4 C2 H5 115.800
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.176      
2 C -0.333      
3 H 0.165      
4 H 0.168      
5 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.707 -0.370 0.000 0.798
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.558 -1.332 0.000
y -1.332 -11.490 0.000
z 0.000 0.000 -15.170
Traceless
 xyz
x 0.773 -1.332 0.000
y -1.332 2.374 0.000
z 0.000 0.000 -3.146
Polar
3z2-r2-6.292
x2-y2-1.067
xy-1.332
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.924 -0.034 0.000
y -0.034 5.260 0.000
z 0.000 0.000 2.518


<r2> (average value of r2) Å2
<r2> 20.811
(<r2>)1/2 4.562