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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-377.525917
Energy at 298.15K-377.530517
Nuclear repulsion energy201.022827
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/aug-cc-pVDZ
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 3097 2968 0.45      
2 A1 1425 1365 116.73      
3 A1 1288 1234 114.02      
4 A1 835 800 6.85      
5 A1 596 571 22.19      
6 A2 223 214 0.00      
7 E 3200 3067 3.07      
7 E 3200 3067 3.07      
8 E 1460 1399 0.10      
8 E 1460 1399 0.10      
9 E 1220 1169 245.15      
9 E 1220 1169 245.17      
10 E 966 925 56.51      
10 E 966 925 56.49      
11 E 531 509 0.49      
11 E 531 509 0.49      
12 E 359 344 0.79      
12 E 359 344 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 11467.3 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 10989.1 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/aug-cc-pVDZ
ABC
0.18197 0.17215 0.17215

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.476
C2 0.000 0.000 -0.022
H3 0.000 -1.033 1.836
H4 0.895 0.517 1.836
H5 -0.895 0.517 1.836
F6 0.000 1.252 -0.527
F7 -1.085 -0.626 -0.527
F8 1.085 -0.626 -0.527

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49801.09381.09381.09382.36292.36292.3629
C21.49802.12542.12542.12541.35071.35071.3507
H31.09382.12541.78941.78943.28752.63172.6317
H41.09382.12541.78941.78942.63173.28752.6317
H51.09382.12541.78941.78942.63172.63173.2875
F62.36291.35073.28752.63172.63172.16942.1694
F72.36291.35072.63173.28752.63172.16942.1694
F82.36291.35072.63172.63173.28752.16942.1694

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 111.982 C1 C2 F7 111.982
C1 C2 F8 111.982 C2 C1 H3 109.182
C2 C1 H4 109.182 C2 C1 H5 109.182
H3 C1 H4 109.759 H3 C1 H5 109.759
H4 C1 H5 109.759 F6 C2 F7 106.848
F6 C2 F8 106.848 F7 C2 F8 106.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.139      
2 C 1.379      
3 H -0.041      
4 H -0.041      
5 H -0.041      
6 F -0.465      
7 F -0.465      
8 F -0.465      


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 2.401 2.401
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.550 0.000 0.000
y 0.000 -28.550 0.000
z 0.000 0.000 -25.518
Traceless
 xyz
x -1.516 0.000 0.000
y 0.000 -1.516 0.000
z 0.000 0.000 3.032
Polar
3z2-r26.065
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 4.311 0.000 0.000
y 0.000 4.311 0.000
z 0.000 0.000 4.537


<r2> (average value of r2) Å2
<r2> 93.455
(<r2>)1/2 9.667