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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-375.508771
Energy at 298.15K-375.513351
Nuclear repulsion energy198.286618
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 B3LYP/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 3107 2998 0.08      
2 A1 1492 1440 42.00      
3 A1 1288 1243 204.36      
4 A1 811 783 2.04      
5 A1 562 542 25.27      
6 A2 265 255 0.00      
7 E 3181 3069 3.76      
7 E 3181 3069 3.77      
8 E 1554 1499 0.41      
8 E 1554 1499 0.41      
9 E 1310 1264 196.53      
9 E 1310 1264 196.50      
10 E 1022 986 38.28      
10 E 1022 986 38.29      
11 E 513 495 2.95      
11 E 513 495 2.95      
12 E 338 326 0.41      
12 E 338 326 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 11681.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 11271.0 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 B3LYP/3-21G
ABC
0.17398 0.16888 0.16888

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.472
C2 0.000 0.000 -0.026
H3 0.000 -1.028 1.837
H4 0.890 0.514 1.837
H5 -0.890 0.514 1.837
F6 0.000 1.282 -0.525
F7 -1.110 -0.641 -0.525
F8 1.110 -0.641 -0.525

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49871.09041.09041.09042.37402.37402.3740
C21.49872.12752.12752.12751.37601.37601.3760
H31.09042.12751.78021.78023.30382.63852.6385
H41.09042.12751.78021.78022.63853.30382.6385
H51.09042.12751.78021.78022.63852.63853.3038
F62.37401.37603.30382.63852.63852.22082.2208
F72.37401.37602.63853.30382.63852.22082.2208
F82.37401.37602.63852.63853.30382.22082.2208

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 111.273 C1 C2 F7 111.273
C1 C2 F8 111.273 C2 C1 H3 109.507
C2 C1 H4 109.507 C2 C1 H5 109.507
H3 C1 H4 109.436 H3 C1 H5 109.436
H4 C1 H5 109.436 F6 C2 F7 107.611
F6 C2 F8 107.611 F7 C2 F8 107.611
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.655     -0.580
2 C 0.805     0.795
3 H 0.233     0.173
4 H 0.233     0.173
5 H 0.233     0.173
6 F -0.283     -0.244
7 F -0.283     -0.244
8 F -0.283     -0.244


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 2.208 2.208
CHELPG        
AIM        
ESP -0.002 0.001 2.218 2.218


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.969 0.000 0.000
y 0.000 -27.969 0.000
z 0.000 0.000 -25.133
Traceless
 xyz
x -1.418 0.000 0.000
y 0.000 -1.418 0.000
z 0.000 0.000 2.836
Polar
3z2-r25.672
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 2.980 0.000 0.000
y 0.000 2.980 0.000
z 0.000 0.000 2.842


<r2> (average value of r2) Å2
<r2> 95.023
(<r2>)1/2 9.748