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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-377.419859
Energy at 298.15K-377.424484
Nuclear repulsion energy201.123845
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3099 2965 0.79      
2 A1 1456 1393 89.67      
3 A1 1307 1250 156.51      
4 A1 843 807 3.84      
5 A1 598 572 20.52      
6 A2 247 236 0.00      
7 E 3191 3053 5.19      
7 E 3191 3053 5.19      
8 E 1510 1445 0.09      
8 E 1510 1445 0.09      
9 E 1282 1227 242.08      
9 E 1282 1227 242.06      
10 E 994 951 42.93      
10 E 994 951 42.93      
11 E 535 512 0.85      
11 E 535 512 0.85      
12 E 359 344 0.65      
12 E 359 344 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 11646.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 11141.9 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 B3PW91/6-31G*
ABC
0.18175 0.17238 0.17238

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.473
C2 0.000 0.000 -0.030
H3 0.000 -1.029 1.839
H4 0.891 0.514 1.839
H5 -0.891 0.514 1.839
F6 0.000 1.253 -0.525
F7 -1.086 -0.627 -0.525
F8 1.086 -0.627 -0.525

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.50311.09211.09211.09212.35912.35912.3591
C21.50312.13352.13352.13351.34781.34781.3478
H31.09212.13351.78221.78223.28642.63262.6326
H41.09212.13351.78221.78222.63263.28642.6326
H51.09212.13351.78221.78222.63262.63263.2864
F62.35911.34783.28642.63262.63262.17112.1711
F72.35911.34782.63263.28642.63262.17112.1711
F82.35911.34782.63262.63263.28642.17112.1711

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 111.566 C1 C2 F7 111.566
C1 C2 F8 111.566 C2 C1 H3 109.577
C2 C1 H4 109.577 C2 C1 H5 109.577
H3 C1 H4 109.366 H3 C1 H5 109.366
H4 C1 H5 109.366 F6 C2 F7 107.297
F6 C2 F8 107.297 F7 C2 F8 107.297
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.615     -0.523
2 C 0.804     0.583
3 H 0.206     0.167
4 H 0.206     0.167
5 H 0.206     0.168
6 F -0.269     -0.187
7 F -0.269     -0.187
8 F -0.269     -0.187


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 2.043 2.043
CHELPG        
AIM        
ESP -0.002 0.001 2.069 2.069


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.463 0.000 0.000
y 0.000 -27.463 0.000
z 0.000 0.000 -24.978
Traceless
 xyz
x -1.243 0.000 0.000
y 0.000 -1.243 0.000
z 0.000 0.000 2.485
Polar
3z2-r24.970
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> 92.860
(<r2>)1/2 9.636