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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-377.486378
Energy at 298.15K-377.490968
Nuclear repulsion energy201.239786
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 B1B95/6-31+G**
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 3102 2967 0.53      
2 A1 1436 1374 107.88      
3 A1 1295 1238 140.55      
4 A1 839 802 6.00      
5 A1 594 568 23.32      
6 A2 231 221 0.00      
7 E 3202 3063 2.26      
7 E 3202 3063 2.26      
8 E 1482 1418 0.37      
8 E 1482 1418 0.38      
9 E 1238 1185 273.33      
9 E 1238 1185 273.19      
10 E 974 932 56.78      
10 E 974 932 56.79      
11 E 530 507 0.90      
11 E 530 507 0.90      
12 E 357 342 0.76      
12 E 357 342 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 11531.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 11031.2 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 B1B95/6-31+G**
ABC
0.18222 0.17252 0.17252

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.474
C2 0.000 0.000 -0.023
H3 0.000 -1.028 1.834
H4 0.890 0.514 1.834
H5 -0.890 0.514 1.834
F6 0.000 1.252 -0.526
F7 -1.084 -0.626 -0.526
F8 1.084 -0.626 -0.526

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.49701.08921.08921.08922.36012.36012.3601
C21.49702.12222.12222.12221.34931.34931.3493
H31.08922.12221.78081.78083.28162.62822.6282
H41.08922.12221.78081.78082.62823.28162.6282
H51.08922.12221.78081.78082.62822.62823.2816
F62.36011.34933.28162.62822.62822.16822.1682
F72.36011.34932.62823.28162.62822.16822.1682
F82.36011.34932.62822.62823.28162.16822.1682

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 111.917 C1 C2 F7 111.917
C1 C2 F8 111.917 C2 C1 H3 109.271
C2 C1 H4 109.271 C2 C1 H5 109.271
H3 C1 H4 109.671 H3 C1 H5 109.671
H4 C1 H5 109.671 F6 C2 F7 106.918
F6 C2 F8 106.918 F7 C2 F8 106.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.501      
2 C 0.787      
3 H 0.197      
4 H 0.197      
5 H 0.197      
6 F -0.293      
7 F -0.293      
8 F -0.293      


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 2.486 2.486
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.640 0.000 0.000
y 0.000 -28.640 0.000
z 0.000 0.000 -25.469
Traceless
 xyz
x -1.586 0.000 0.000
y 0.000 -1.586 0.000
z 0.000 0.000 3.171
Polar
3z2-r26.342
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 4.022 0.000 0.000
y 0.000 4.022 0.000
z 0.000 0.000 4.111


<r2> (average value of r2) Å2
<r2> 93.324
(<r2>)1/2 9.660