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All results from a given calculation for CF3Br (Bromotrifluoromethane)

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-2909.441504
Energy at 298.15K 
HF Energy-2909.441504
Nuclear repulsion energy368.046385
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 mPW1PW91/6-31+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 1090 1038 528.69      
2 A1 759 722 49.74      
3 A1 353 336 0.12      
4 E 1229 1170 291.49      
4 E 1229 1170 291.59      
5 E 541 515 1.58      
5 E 541 515 1.58      
6 E 304 289 0.00      
6 E 304 289 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 3174.6 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 3021.6 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 mPW1PW91/6-31+G**
ABC
0.19038 0.06989 0.06989

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.803
Br2 0.000 0.000 1.115
F3 0.000 1.246 -1.266
F4 1.079 -0.623 -1.266
F5 -1.079 -0.623 -1.266

Atom - Atom Distances (Å)
  C1 Br2 F3 F4 F5
C11.91801.32971.32971.3297
Br21.91802.68752.68752.6875
F31.32972.68752.15892.1589
F41.32972.68752.15892.1589
F51.32972.68752.15892.1589

picture of Bromotrifluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 F3 110.379 Br2 C1 F4 110.379
Br2 C1 F5 110.379 F3 C1 F4 108.548
F3 C1 F5 108.548 F4 C1 F5 108.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.663      
2 Br 0.009      
3 F -0.224      
4 F -0.224      
5 F -0.224      


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 0.624 0.624
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.504 0.000 0.000
y 0.000 -39.504 0.000
z 0.000 0.000 -37.216
Traceless
 xyz
x -1.144 0.000 0.000
y 0.000 -1.144 0.000
z 0.000 0.000 2.288
Polar
3z2-r24.576
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 4.307 0.000 0.000
y 0.000 4.307 0.000
z 0.000 0.000 6.269


<r2> (average value of r2) Å2
<r2> 156.801
(<r2>)1/2 12.522