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: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-377.195467
Energy at 298.15K-377.199943
Nuclear repulsion energy199.184151
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 PBEPBE/cc-pVDZ
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 3010 2992 0.66      
2 A1 1362 1354 117.81      
3 A1 1240 1233 137.96      
4 A1 805 800 5.87      
5 A1 577 573 18.85      
6 A2 219 217 0.00      
7 E 3109 3091 3.00      
7 E 3109 3091 3.00      
8 E 1404 1396 0.00      
8 E 1404 1396 0.00      
9 E 1190 1183 238.87      
9 E 1190 1183 238.89      
10 E 926 921 49.68      
10 E 926 921 49.69      
11 E 515 512 0.41      
11 E 515 512 0.41      
12 E 345 343 0.54      
12 E 345 343 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 11095.1 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 11030.7 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 PBEPBE/cc-pVDZ
ABC
0.17800 0.16939 0.16939

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.483
C2 0.000 0.000 -0.025
H3 0.000 -1.042 1.853
H4 0.902 0.521 1.853
H5 -0.902 0.521 1.853
F6 0.000 1.267 -0.530
F7 -1.097 -0.633 -0.530
F8 1.097 -0.633 -0.530

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.50741.10541.10541.10542.37792.37792.3779
C21.50742.14702.14702.14701.36361.36361.3636
H31.10542.14701.80411.80413.31722.65452.6545
H41.10542.14701.80411.80412.65453.31722.6545
H51.10542.14701.80411.80412.65452.65453.3172
F62.37791.36363.31722.65452.65452.19372.1937
F72.37791.36362.65453.31722.65452.19372.1937
F82.37791.36362.65452.65453.31722.19372.1937

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 111.745 C1 C2 F7 111.745
C1 C2 F8 111.745 C2 C1 H3 109.556
C2 C1 H4 109.556 C2 C1 H5 109.556
H3 C1 H4 109.386 H3 C1 H5 109.386
H4 C1 H5 109.386 F6 C2 F7 107.105
F6 C2 F8 107.105 F7 C2 F8 107.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.071      
2 C 0.327      
3 H 0.063      
4 H 0.063      
5 H 0.063      
6 F -0.148      
7 F -0.148      
8 F -0.148      


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 2.049 2.049
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.765 0.000 0.000
y 0.000 -27.765 0.000
z 0.000 0.000 -25.302
Traceless
 xyz
x -1.231 0.000 0.000
y 0.000 -1.231 0.000
z 0.000 0.000 2.463
Polar
3z2-r24.925
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 3.535 0.000 0.000
y 0.000 3.535 0.000
z 0.000 0.000 3.662


<r2> (average value of r2) Å2
<r2> 94.465
(<r2>)1/2 9.719