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All results from a given calculation for CFBr3 (fluorotribromomethane)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-7859.303982
Energy at 298.15K-7859.312866
HF Energy-7858.947017
Nuclear repulsion energy987.261457
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 B2PLYP/cc-pVTZ
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 1046 158.82      
2 A1 400 384 0.27      
3 A1 219 210 0.33      
4 E 733 703 202.69      
4 E 733 703 202.62      
5 E 308 295 0.15      
5 E 308 295 0.15      
6 E 149 143 0.05      
6 E 149 143 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 2043.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1960.9 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 B2PLYP/cc-pVTZ
ABC
0.03566 0.03566 0.02088

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.432
F2 0.000 0.000 1.770
Br3 0.000 1.846 -0.176
Br4 1.599 -0.923 -0.176
Br5 -1.599 -0.923 -0.176

Atom - Atom Distances (Å)
  C1 F2 Br3 Br4 Br5
C11.33811.94421.94421.9442
F21.33812.68322.68322.6832
Br31.94422.68323.19823.1982
Br41.94422.68323.19823.1982
Br51.94422.68323.19823.1982

picture of fluorotribromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 108.246 F2 C1 Br4 108.246
F2 C1 Br5 108.246 Br3 C1 Br4 110.668
Br3 C1 Br5 110.668 Br4 C1 Br5 110.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.120      
2 F -0.123      
3 Br 0.001      
4 Br 0.001      
5 Br 0.001      


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 -0.438 0.438
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.439 0.000 0.000
y 0.000 -63.439 0.000
z 0.000 0.000 -66.461
Traceless
 xyz
x 1.511 0.000 0.000
y 0.000 1.511 0.000
z 0.000 0.000 -3.022
Polar
3z2-r2-6.044
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 11.336 0.000 0.000
y 0.000 11.335 0.000
z 0.000 0.000 7.248


<r2> (average value of r2) Å2
<r2> 430.851
(<r2>)1/2 20.757