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All results from a given calculation for CF3Br (Bromotrifluoromethane)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-2898.086235
Energy at 298.15K 
HF Energy-2898.086235
Nuclear repulsion energy365.517216
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 B1B95/3-21G
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 1103 1055 475.41      
2 A1 722 691 56.03      
3 A1 352 337 0.05      
4 E 1278 1222 211.20      
4 E 1277 1222 211.28      
5 E 516 493 4.99      
5 E 514 492 5.05      
6 E 283 271 0.14      
6 E 283 271 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 3163.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 3026.8 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 B1B95/3-21G
ABC
0.18348 0.06958 0.06958

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.796
Br2 0.000 0.000 1.113
F3 0.000 1.270 -1.265
F4 1.100 -0.635 -1.265
F5 -1.100 -0.635 -1.265

Atom - Atom Distances (Å)
  C1 Br2 F3 F4 F5
C11.90881.35361.35361.3536
Br21.90882.69592.69592.6959
F31.35362.69592.19912.1991
F41.35362.69592.19912.1991
F51.35362.69592.19912.1991

picture of Bromotrifluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 F3 110.289 Br2 C1 F4 110.289
Br2 C1 F5 110.289 F3 C1 F4 108.641
F3 C1 F5 108.641 F4 C1 F5 108.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.787      
2 Br 0.004      
3 F -0.264      
4 F -0.264      
5 F -0.264      


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 0.777 0.777
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.652 0.000 0.000
y 0.000 -38.652 0.000
z 0.000 0.000 -36.040
Traceless
 xyz
x -1.306 0.000 0.000
y 0.000 -1.306 0.000
z 0.000 0.000 2.612
Polar
3z2-r25.225
x2-y2-0.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.869 0.000 0.000
y 0.000 2.869 0.000
z 0.000 0.000 4.780


<r2> (average value of r2) Å2
<r2> 157.498
(<r2>)1/2 12.550