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All results from a given calculation for CF3CN (Acetonitrile, trifluoro-)

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-426.145549
Energy at 298.15K-426.147020
Nuclear repulsion energy231.812737
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 HF/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 2651 2393 31.21      
2 A1 1352 1221 406.91      
3 A1 848 766 14.06      
4 A1 545 492 14.98      
5 E 1422 1283 312.53      
5 E 1422 1283 312.53      
6 E 719 649 4.23      
6 E 719 649 4.23      
7 E 508 459 8.52      
7 E 508 459 8.52      
8 E 228 206 6.58      
8 E 228 206 6.58      

Unscaled Zero Point Vibrational Energy (zpe) 5574.7 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 5031.7 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 HF/3-21G*
ABC
0.18748 0.09960 0.09960

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.307
C2 0.000 0.000 1.148
N3 0.000 0.000 2.281
F4 0.000 1.256 -0.778
F5 1.088 -0.628 -0.778
F6 -1.088 -0.628 -0.778

Atom - Atom Distances (Å)
  C1 C2 N3 F4 F5 F6
C11.45452.58811.34171.34171.3417
C21.45451.13362.29952.29952.2995
N32.58811.13363.30763.30763.3076
F41.34172.29953.30762.17552.1755
F51.34172.29953.30762.17552.1755
F61.34172.29953.30762.17552.1755

picture of Acetonitrile, trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 180.000 C2 C1 F4 110.583
C2 C1 F5 110.583 C2 C1 F6 110.583
F4 C1 F5 108.337 F4 C1 F6 108.337
F5 C1 F6 108.337
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.260 1.026    
2 C 0.246 0.210    
3 N -0.417 -0.323    
4 F -0.363 -0.304    
5 F -0.363 -0.304    
6 F -0.363 -0.304    


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 -0.576 0.576
CHELPG 0.000 -0.001 -0.479 0.479
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.826 0.000 0.000
y 0.000 -31.826 0.000
z 0.000 0.000 -37.424
Traceless
 xyz
x 2.799 0.000 0.000
y 0.000 2.799 0.000
z 0.000 0.000 -5.598
Polar
3z2-r2-11.195
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 2.048 0.000 0.000
y 0.000 2.048 0.000
z 0.000 0.000 3.831


<r2> (average value of r2) Å2
<r2> 124.900
(<r2>)1/2 11.176