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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-377.472087
Energy at 298.15K-377.476744
Nuclear repulsion energy201.679425
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 mPW1PW91/6-31G**
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 3111 2960 0.50      
2 A1 1455 1384 111.07      
3 A1 1314 1250 139.94      
4 A1 853 811 3.63      
5 A1 603 574 21.43      
6 A2 245 233 0.00      
7 E 3210 3054 4.08      
7 E 3210 3054 4.08      
8 E 1501 1428 0.01      
8 E 1501 1428 0.01      
9 E 1292 1229 250.58      
9 E 1292 1229 250.57      
10 E 996 948 35.81      
10 E 996 948 35.81      
11 E 540 513 1.00      
11 E 540 513 1.00      
12 E 362 344 0.68      
12 E 362 344 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 11690.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 11123.2 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 mPW1PW91/6-31G**
ABC
0.18281 0.17331 0.17331

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

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 -0.030
H3 0.000 -1.027 1.834
H4 0.889 0.513 1.834
H5 -0.889 0.513 1.834
F6 0.000 1.250 -0.524
F7 -1.082 -0.625 -0.524
F8 1.082 -0.625 -0.524

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49961.08941.08941.08942.35322.35322.3532
C21.49962.12762.12762.12761.34401.34401.3440
H31.08942.12761.77861.77863.27752.62522.6252
H41.08942.12761.77861.77862.62523.27752.6252
H51.08942.12761.77861.77862.62522.62523.2775
F62.35321.34403.27752.62522.62522.16472.1647
F72.35321.34402.62523.27752.62522.16472.1647
F82.35321.34402.62522.62523.27752.16472.1647

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 111.580 C1 C2 F7 111.580
C1 C2 F8 111.580 C2 C1 H3 109.509
C2 C1 H4 109.509 C2 C1 H5 109.509
H3 C1 H4 109.433 H3 C1 H5 109.433
H4 C1 H5 109.433 F6 C2 F7 107.283
F6 C2 F8 107.283 F7 C2 F8 107.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.487      
2 C 0.801      
3 H 0.169      
4 H 0.169      
5 H 0.169      
6 F -0.273      
7 F -0.273      
8 F -0.273      


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 2.069 2.069
CHELPG        
AIM        
ESP        


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 -24.899
Traceless
 xyz
x -1.282 0.000 0.000
y 0.000 -1.282 0.000
z 0.000 0.000 2.564
Polar
3z2-r25.129
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> 92.425
(<r2>)1/2 9.614