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All results from a given calculation for C2H3 (vinyl)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-77.792079
Energy at 298.15K-77.793514
HF Energy-77.792079
Nuclear repulsion energy28.100548
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3176 3158 1.61      
2 A' 3086 3068 3.23      
3 A' 2977 2960 4.07      
4 A' 1625 1615 1.51      
5 A' 1314 1306 8.90      
6 A' 998 993 10.47      
7 A' 673 669 24.73      
8 A" 867 862 68.77      
9 A" 768 764 6.29      

Unscaled Zero Point Vibrational Energy (zpe) 7741.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 7696.6 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/cc-pVDZ
ABC
7.63205 1.06541 0.93490

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.727 0.000
C2 0.050 -0.592 0.000
H3 -0.685 1.544 0.000
H4 -0.894 -1.179 0.000
H5 0.984 -1.180 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.31891.09832.12672.1246
C21.31892.25841.11121.1049
H31.09832.25842.73093.1952
H42.12671.11122.73091.8783
H52.12461.10493.19521.8783

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.893 C1 C2 H5 122.210
C2 C1 H3 138.056 H4 C2 H5 115.897
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.113      
2 C -0.055      
3 H 0.053      
4 H 0.056      
5 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.570 -0.292 0.000 0.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.219 -1.112 0.000
y -1.112 -11.189 0.000
z 0.000 0.000 -14.419
Traceless
 xyz
x 0.585 -1.112 0.000
y -1.112 2.129 0.000
z 0.000 0.000 -2.715
Polar
3z2-r2-5.429
x2-y2-1.030
xy-1.112
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.751 -0.235 0.000
y -0.235 4.756 0.000
z 0.000 0.000 1.591


<r2> (average value of r2) Å2
<r2> 20.583
(<r2>)1/2 4.537