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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-377.508475
Energy at 298.15K-377.512956
Nuclear repulsion energy199.242587
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 BLYP/6-31G(2df,p)
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 2996 2979 1.62      
2 A1 1382 1375 42.06      
3 A1 1226 1219 165.76      
4 A1 796 791 2.55      
5 A1 574 570 15.99      
6 A2 223 222 0.00      
7 E 3078 3061 7.18      
7 E 3078 3061 7.19      
8 E 1448 1440 0.08      
8 E 1448 1440 0.08      
9 E 1189 1182 184.12      
9 E 1189 1182 184.10      
10 E 939 933 59.41      
10 E 939 933 59.45      
11 E 517 515 0.26      
11 E 517 515 0.26      
12 E 346 344 0.45      
12 E 346 344 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 11113.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 11052.4 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 BLYP/6-31G(2df,p)
ABC
0.17840 0.16905 0.16905

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.489
C2 0.000 0.000 -0.031
H3 0.000 -1.035 1.856
H4 0.897 0.518 1.856
H5 -0.897 0.518 1.856
F6 0.000 1.265 -0.530
F7 -1.096 -0.633 -0.530
F8 1.096 -0.633 -0.530

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.52011.09831.09831.09832.38342.38342.3834
C21.52012.15192.15192.15191.36041.36041.3604
H31.09832.15191.79331.79333.31472.65652.6565
H41.09832.15191.79331.79332.65653.31472.6565
H51.09832.15191.79331.79332.65652.65653.3147
F62.38341.36043.31472.65652.65652.19162.1916
F72.38341.36042.65653.31472.65652.19162.1916
F82.38341.36042.65652.65653.31472.19162.1916

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 111.550 C1 C2 F7 111.550
C1 C2 F8 111.550 C2 C1 H3 109.490
C2 C1 H4 109.490 C2 C1 H5 109.490
H3 C1 H4 109.453 H3 C1 H5 109.453
H4 C1 H5 109.453 F6 C2 F7 107.314
F6 C2 F8 107.314 F7 C2 F8 107.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.448      
2 C 0.192      
3 H 0.136      
4 H 0.136      
5 H 0.136      
6 F -0.051      
7 F -0.051      
8 F -0.051      


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 1.920 1.920
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.620 0.000 0.000
y 0.000 -27.620 0.000
z 0.000 0.000 -25.256
Traceless
 xyz
x -1.182 0.000 0.000
y 0.000 -1.182 0.000
z 0.000 0.000 2.364
Polar
3z2-r24.728
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 3.859 0.000 0.000
y 0.000 3.859 0.000
z 0.000 0.000 4.058


<r2> (average value of r2) Å2
<r2> 94.445
(<r2>)1/2 9.718