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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-3170.565697
Energy at 298.15K-3170.570257
HF Energy-3170.565697
Nuclear repulsion energy315.598548
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 B1B95/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3249 3099 2.03 89.08 0.25 0.40
2 A 1318 1257 15.17 8.85 0.75 0.86
3 A 1236 1178 67.23 8.01 0.74 0.85
4 A 1082 1032 169.18 1.83 0.58 0.73
5 A 722 689 224.59 7.69 0.46 0.63
6 A 633 604 60.63 12.24 0.20 0.33
7 A 393 374 2.46 6.90 0.35 0.52
8 A 298 284 0.27 4.56 0.65 0.78
9 A 217 207 0.32 8.15 0.59 0.74

Unscaled Zero Point Vibrational Energy (zpe) 4573.4 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 4361.7 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 B1B95/6-31G
ABC
0.20428 0.06490 0.05090

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.561 0.478 0.433
Br2 -1.219 -0.196 -0.030
Cl3 1.867 -0.694 -0.069
F4 0.772 1.686 -0.209
H5 0.613 0.610 1.506

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.95891.82551.38391.0822
Br21.95893.12682.74512.5221
Cl31.82553.12682.62392.3988
F41.38392.74512.62392.0308
H51.08222.52212.39882.0308

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.380 Br2 C1 F4 109.205
Br2 C1 H5 108.608 Cl3 C1 F4 108.908
Cl3 C1 H5 108.455 F4 C1 H5 110.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.264      
2 Br 0.147      
3 Cl 0.099      
4 F -0.263      
5 H 0.281      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.370 -0.118 1.708 1.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.614 0.242 1.322
y 0.242 -43.768 1.531
z 1.322 1.531 -39.815
Traceless
 xyz
x -0.823 0.242 1.322
y 0.242 -2.553 1.531
z 1.322 1.531 3.376
Polar
3z2-r26.752
x2-y21.153
xy0.242
xz1.322
yz1.531


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.249 -0.218 0.134
y -0.218 3.945 0.392
z 0.134 0.392 2.702


<r2> (average value of r2) Å2
<r2> 185.949
(<r2>)1/2 13.636