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All results from a given calculation for C2H3 (vinyl)

using model chemistry: B2PLYP=FULLultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 2A'
Energy calculated at B2PLYP=FULLultrafine/cc-pVTZ
 hartrees
Energy at 0K-77.862925
Energy at 298.15K 
HF Energy-77.756334
Nuclear repulsion energy28.563234
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 B2PLYP=FULLultrafine/cc-pVTZ
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' 3273 3127 0.66 95.46 0.26 0.41
2 A' 3182 3040 2.61 80.02 0.55 0.71
3 A' 3082 2945 3.68 126.97 0.20 0.33
4 A' 1675 1601 2.20 19.68 0.11 0.20
5 A' 1409 1346 8.31 18.08 0.41 0.58
6 A' 1064 1017 8.49 1.14 0.72 0.84
7 A' 721 688 21.62 2.65 0.73 0.84
8 A" 941 899 72.20 0.19 0.75 0.86
9 A" 834 797 17.39 3.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8090.0 cm-1
Scaled (by 0.9554) Zero Point Vibrational Energy (zpe) 7729.2 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 B2PLYP=FULLultrafine/cc-pVTZ
ABC
7.93454 1.09769 0.96429

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.049 0.717 0.000
C2 0.049 -0.585 0.000
H3 -0.669 1.518 0.000
H4 -0.879 -1.152 0.000
H5 0.964 -1.161 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.30191.07482.08732.0895
C21.30192.22131.08781.0819
H31.07482.22132.67833.1370
H42.08731.08782.67831.8437
H52.08951.08193.13701.8437

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.464 C1 C2 H5 122.177
C2 C1 H3 138.125 H4 C2 H5 116.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.181      
2 C -0.263      
3 H 0.164      
4 H 0.135      
5 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.606 -0.296 0.000 0.674
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.402 -1.168 -0.001
y -1.168 -11.366 -0.001
z -0.001 -0.001 -14.766
Traceless
 xyz
x 0.664 -1.168 -0.001
y -1.168 2.218 -0.001
z -0.001 -0.001 -2.882
Polar
3z2-r2-5.765
x2-y2-1.036
xy-1.168
xz-0.001
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.940 -0.152 0.000
y -0.152 4.852 0.000
z 0.000 0.000 2.226


<r2> (average value of r2) Å2
<r2> 20.318
(<r2>)1/2 4.508