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All results from a given calculation for C2H3 (vinyl)

using model chemistry: PBE1PBE/aug-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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-77.809410
Energy at 298.15K-77.810909
HF Energy-77.809410
Nuclear repulsion energy28.306800
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 PBE1PBE/aug-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' 3269 3143 0.48      
2 A' 3193 3070 2.42      
3 A' 3087 2968 3.24      
4 A' 1667 1603 2.13      
5 A' 1374 1321 9.59      
6 A' 1042 1002 8.51      
7 A' 707 680 19.88      
8 A" 932 896 73.94      
9 A" 817 786 18.25      

Unscaled Zero Point Vibrational Energy (zpe) 8043.1 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 7734.2 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 PBE1PBE/aug-cc-pVDZ
ABC
7.74391 1.08023 0.94799

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.050 0.723 0.000
C2 0.050 -0.589 0.000
H3 -0.682 1.529 0.000
H4 -0.888 -1.163 0.000
H5 0.975 -1.171 0.000

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5
C11.31211.08802.10612.1085
C21.31212.24041.09911.0936
H31.08802.24042.69943.1679
H42.10611.09912.69941.8631
H52.10851.09363.16791.8631

picture of vinyl state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 121.474 C1 C2 H5 122.170
C2 C1 H3 137.767 H4 C2 H5 116.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.178      
2 C 0.659      
3 H -0.362      
4 H -0.271      
5 H -0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.616 -0.321 0.000 0.695
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.408 -1.231 0.000
y -1.231 -11.395 0.000
z 0.000 0.000 -14.964
Traceless
 xyz
x 0.771 -1.231 0.000
y -1.231 2.291 0.000
z 0.000 0.000 -3.062
Polar
3z2-r2-6.125
x2-y2-1.013
xy-1.231
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.466 -0.080 0.000
y -0.080 5.233 0.000
z 0.000 0.000 3.157


<r2> (average value of r2) Å2
<r2> 20.584
(<r2>)1/2 4.537