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All results from a given calculation for HCCF (Fluoroacetylene)

using model chemistry: SVWN/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at SVWN/aug-cc-pVTZ
 hartrees
Energy at 0K-175.708664
Energy at 298.15K 
HF Energy-175.708664
Nuclear repulsion energy55.793835
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 SVWN/aug-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 Σ 3410 3383 115.85 25.55 0.25 0.40
2 Σ 2296 2278 145.95 85.28 0.03 0.05
3 Σ 1104 1095 78.23 11.44 0.17 0.29
4 Π 572 567 49.88 0.68 0.75 0.86
4 Π 572 567 49.88 0.68 0.75 0.86
5 Π 404 401 0.67 6.01 0.75 0.86
5 Π 404 401 0.67 6.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4380.0 cm-1
Scaled (by 0.9921) Zero Point Vibrational Energy (zpe) 4345.4 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 SVWN/aug-cc-pVTZ
B
0.32671

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.088
C2 0.000 0.000 -1.286
F3 0.000 0.000 1.178
H4 0.000 0.000 -2.356

Atom - Atom Distances (Å)
  C1 C2 F3 H4
C11.19751.26602.2679
C21.19752.46351.0704
F31.26602.46353.5339
H42.26791.07043.5339

picture of Fluoroacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 180.000 C2 C1 F3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.448      
2 C -0.608      
3 F -0.211      
4 H 0.371      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.483 0.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.179 0.000 0.000
y 0.000 -17.179 0.000
z 0.000 0.000 -12.944
Traceless
 xyz
x -2.118 0.000 0.000
y 0.000 -2.118 0.000
z 0.000 0.000 4.235
Polar
3z2-r28.470
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.920 0.000 0.000
y 0.000 2.920 0.000
z 0.000 0.000 5.099


<r2> (average value of r2) Å2
<r2> 37.849
(<r2>)1/2 6.152