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All results from a given calculation for CH3CF3 (Ethane, 1,1,1-trifluoro-)

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-375.380015
Energy at 298.15K-375.384610
Nuclear repulsion energy198.621317
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 B3PW91/3-21G
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 3112 2991 0.01      
2 A1 1487 1430 53.29      
3 A1 1299 1249 205.72      
4 A1 818 787 2.18      
5 A1 566 544 25.85      
6 A2 266 256 0.00      
7 E 3195 3071 2.49      
7 E 3195 3071 2.49      
8 E 1548 1488 0.34      
8 E 1548 1488 0.34      
9 E 1316 1265 209.94      
9 E 1316 1265 209.92      
10 E 1024 985 31.84      
10 E 1024 985 31.84      
11 E 515 495 2.77      
11 E 515 495 2.77      
12 E 340 327 0.57      
12 E 340 327 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 11712.4 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 11258.0 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 B3PW91/3-21G
ABC
0.17472 0.16943 0.16943

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.470
C2 0.000 0.000 -0.025
H3 0.000 -1.028 1.835
H4 0.891 0.514 1.835
H5 -0.891 0.514 1.835
F6 0.000 1.279 -0.525
F7 -1.108 -0.640 -0.525
F8 1.108 -0.640 -0.525

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49581.09111.09111.09112.37032.37032.3703
C21.49582.12582.12582.12581.37341.37341.3734
H31.09112.12581.78121.78123.30092.63612.6361
H41.09112.12581.78121.78122.63613.30092.6361
H51.09112.12581.78121.78122.63612.63613.3009
F62.37031.37343.30092.63612.63612.21592.2159
F72.37031.37342.63613.30092.63612.21592.2159
F82.37031.37342.63612.63613.30092.21592.2159

picture of Ethane, 1,1,1-trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 111.330 C1 C2 F7 111.330
C1 C2 F8 111.330 C2 C1 H3 109.529
C2 C1 H4 109.529 C2 C1 H5 109.529
H3 C1 H4 109.414 H3 C1 H5 109.414
H4 C1 H5 109.414 F6 C2 F7 107.550
F6 C2 F8 107.550 F7 C2 F8 107.550
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.724      
2 C 0.813      
3 H 0.257      
4 H 0.257      
5 H 0.257      
6 F -0.286      
7 F -0.286      
8 F -0.286      


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 2.261 2.261
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.950 0.000 0.000
y 0.000 -27.950 0.000
z 0.000 0.000 -25.029
Traceless
 xyz
x -1.460 0.000 0.000
y 0.000 -1.460 0.000
z 0.000 0.000 2.921
Polar
3z2-r25.842
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 94.735
(<r2>)1/2 9.733