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All results from a given calculation for C2H3 (vinyl)

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-77.858524
Energy at 298.15K-77.860005
HF Energy-77.858524
Nuclear repulsion energy28.326092
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 B1B95/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' 3253 3127 1.68      
2 A' 3180 3056 2.80      
3 A' 3072 2953 2.58      
4 A' 1676 1611 1.90      
5 A' 1355 1303 9.00      
6 A' 1033 993 10.57      
7 A' 698 671 23.14      
8 A" 904 869 69.56      
9 A" 811 779 9.07      

Unscaled Zero Point Vibrational Energy (zpe) 7990.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 7680.7 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 B1B95/cc-pVDZ
ABC
7.72694 1.08325 0.95006

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.722 0.000
C2 0.050 -0.587 0.000
H3 -0.685 1.527 0.000
H4 -0.887 -1.166 0.000
H5 0.977 -1.170 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30931.08982.10762.1070
C21.30932.23841.10071.0953
H31.08982.23842.70113.1679
H42.10761.10072.70111.8636
H52.10701.09533.16791.8636

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.741 C1 C2 H5 122.132
C2 C1 H3 137.634 H4 C2 H5 116.127
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 C -0.053      
3 H 0.056      
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
  -0.584 -0.280 0.000 0.648
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.126 -1.111 0.000
y -1.111 -11.115 0.000
z 0.000 0.000 -14.378
Traceless
 xyz
x 0.621 -1.111 0.000
y -1.111 2.136 0.000
z 0.000 0.000 -2.757
Polar
3z2-r2-5.515
x2-y2-1.010
xy-1.111
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.664 -0.233 0.000
y -0.233 4.646 0.000
z 0.000 0.000 1.573


<r2> (average value of r2) Å2
<r2> 20.329
(<r2>)1/2 4.509