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All results from a given calculation for C2H3 (vinyl)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVDZ
 hartrees
Energy at 0K-77.906827
Energy at 298.15K-77.908311
HF Energy-77.906827
Nuclear repulsion energy28.258669
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 B3LYPultrafine/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' 3234 3137 1.38      
2 A' 3153 3058 4.04      
3 A' 3047 2955 4.09      
4 A' 1659 1609 1.55      
5 A' 1364 1323 8.23      
6 A' 1041 1010 10.33      
7 A' 704 683 23.14      
8 A" 908 881 64.29      
9 A" 804 780 11.39      

Unscaled Zero Point Vibrational Energy (zpe) 7956.7 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 7718.0 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 B3LYPultrafine/cc-pVDZ
ABC
7.71237 1.07718 0.94517

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.724 0.000
C2 0.050 -0.589 0.000
H3 -0.683 1.532 0.000
H4 -0.889 -1.168 0.000
H5 0.978 -1.174 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.31301.09112.11212.1127
C21.31302.24441.10301.0971
H31.09112.24442.70833.1753
H42.11211.10302.70831.8669
H52.11271.09713.17531.8669

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.668 C1 C2 H5 122.218
C2 C1 H3 137.815 H4 C2 H5 116.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.110      
2 C -0.026      
3 H 0.046      
4 H 0.044      
5 H 0.047      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.571 -0.269 0.000 0.631
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.220 -1.092 0.000
y -1.092 -11.235 0.000
z 0.000 0.000 -14.410
Traceless
 xyz
x 0.603 -1.092 0.000
y -1.092 2.080 0.000
z 0.000 0.000 -2.683
Polar
3z2-r2-5.365
x2-y2-0.985
xy-1.092
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.677 -0.242 0.000
y -0.242 4.669 0.000
z 0.000 0.000 1.569


<r2> (average value of r2) Å2
<r2> 20.443
(<r2>)1/2 4.521