return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-375.779251
Energy at 298.15K-375.783834
Nuclear repulsion energy202.159889
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 LSDA/6-31G**
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 3025 2969 0.00      
2 A1 1397 1371 180.95      
3 A1 1278 1254 72.52      
4 A1 851 835 3.25      
5 A1 593 582 19.82      
6 A2 249 245 0.00      
7 E 3127 3069 0.94      
7 E 3127 3069 0.94      
8 E 1429 1402 0.42      
8 E 1429 1402 0.42      
9 E 1264 1241 249.55      
9 E 1264 1241 249.58      
10 E 955 937 21.02      
10 E 955 937 21.02      
11 E 527 517 0.69      
11 E 527 517 0.69      
12 E 350 344 0.81      
12 E 350 344 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 11349.1 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 11136.9 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 LSDA/6-31G**
ABC
0.18335 0.17461 0.17461

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.459
C2 0.000 0.000 -0.029
H3 0.000 -1.035 1.829
H4 0.897 0.518 1.829
H5 -0.897 0.518 1.829
F6 0.000 1.248 -0.521
F7 -1.080 -0.624 -0.521
F8 1.080 -0.624 -0.521

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.48811.09921.09921.09922.34072.34072.3407
C21.48812.12642.12642.12641.34121.34121.3412
H31.09922.12641.79331.79333.27612.61882.6188
H41.09922.12641.79331.79332.61883.27612.6188
H51.09922.12641.79331.79332.61882.61883.2761
F62.34071.34123.27612.61882.61882.16082.1608
F72.34071.34122.61883.27612.61882.16082.1608
F82.34071.34122.61882.61883.27612.16082.1608

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 111.541 C1 C2 F7 111.541
C1 C2 F8 111.541 C2 C1 H3 109.627
C2 C1 H4 109.627 C2 C1 H5 109.627
H3 C1 H4 109.315 H3 C1 H5 109.315
H4 C1 H5 109.315 F6 C2 F7 107.324
F6 C2 F8 107.324 F7 C2 F8 107.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.516      
2 C 0.600      
3 H 0.177      
4 H 0.177      
5 H 0.177      
6 F -0.205      
7 F -0.205      
8 F -0.205      


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 1.947 1.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.381 0.000 0.000
y 0.000 -27.381 0.000
z 0.000 0.000 -25.040
Traceless
 xyz
x -1.170 0.000 0.000
y 0.000 -1.170 0.000
z 0.000 0.000 2.341
Polar
3z2-r24.681
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 3.522 0.000 0.000
y 0.000 3.523 0.000
z 0.000 0.000 3.601


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000