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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-375.433476
Energy at 298.15K-375.437919
Nuclear repulsion energy196.078638
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/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 3029 3012 0.61      
2 A1 1449 1441 29.97      
3 A1 1223 1217 195.05      
4 A1 772 768 2.11      
5 A1 537 534 20.07      
6 A2 261 260 0.00      
7 E 3099 3082 6.79      
7 E 3099 3082 6.81      
8 E 1520 1512 0.56      
8 E 1520 1512 0.55      
9 E 1251 1245 169.62      
9 E 1251 1245 169.57      
10 E 977 971 48.52      
10 E 977 971 48.53      
11 E 491 488 1.84      
11 E 491 488 1.84      
12 E 322 321 0.31      
12 E 322 321 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 11296.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 11233.8 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/3-21G
ABC
0.16947 0.16541 0.16541

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.484
C2 0.000 0.000 -0.028
H3 0.000 -1.035 1.851
H4 0.896 0.517 1.851
H5 -0.896 0.517 1.851
F6 0.000 1.299 -0.529
F7 -1.125 -0.650 -0.529
F8 1.125 -0.650 -0.529

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.51191.09761.09761.09762.39662.39662.3966
C21.51192.14462.14462.14461.39301.39301.3930
H31.09762.14461.79201.79203.33382.66102.6610
H41.09762.14461.79201.79202.66103.33382.6610
H51.09762.14461.79201.79202.66102.66103.3338
F62.39661.39303.33382.66102.66102.25062.2506
F72.39661.39302.66103.33382.66102.25062.2506
F82.39661.39302.66102.66103.33382.25062.2506

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 111.118 C1 C2 F7 111.118
C1 C2 F8 111.118 C2 C1 H3 109.515
C2 C1 H4 109.515 C2 C1 H5 109.515
H3 C1 H4 109.428 H3 C1 H5 109.428
H4 C1 H5 109.428 F6 C2 F7 107.776
F6 C2 F8 107.776 F7 C2 F8 107.776
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.610      
2 C 0.704      
3 H 0.217      
4 H 0.217      
5 H 0.217      
6 F -0.248      
7 F -0.248      
8 F -0.248      


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 2.019 2.019
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.796 0.000 0.000
y 0.000 -27.796 0.000
z 0.000 0.000 -25.233
Traceless
 xyz
x -1.281 0.000 0.000
y 0.000 -1.281 0.000
z 0.000 0.000 2.563
Polar
3z2-r25.125
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> 96.697
(<r2>)1/2 9.833