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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-3156.755236
Energy at 298.15K-3156.759719
HF Energy-3156.653912
Nuclear repulsion energy310.038183
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/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 A 3231 3231 4.78 85.98 0.26 0.41
2 A 1343 1343 24.00 8.39 0.75 0.86
3 A 1231 1231 85.06 7.91 0.75 0.86
4 A 1129 1129 148.34 2.09 0.72 0.84
5 A 676 676 228.02 9.25 0.69 0.82
6 A 616 616 41.21 14.74 0.16 0.27
7 A 361 361 4.44 8.86 0.30 0.46
8 A 290 290 0.20 4.63 0.72 0.84
9 A 205 205 0.60 8.64 0.58 0.73

Unscaled Zero Point Vibrational Energy (zpe) 4540.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4540.8 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 B2PLYP/3-21G
ABC
0.19773 0.06231 0.04890

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.548 0.518 0.431
Br2 -1.241 -0.205 -0.030
Cl3 1.918 -0.702 -0.067
F4 0.771 1.711 -0.212
H5 0.620 0.607 1.506

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.98461.90031.37281.0815
Br21.98463.19832.78462.5464
Cl31.90033.19832.67492.4232
F41.37282.78462.67492.0477
H51.08152.54642.42322.0477

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 110.802 Br2 C1 F4 110.749
Br2 C1 H5 108.690 Cl3 C1 F4 108.545
Cl3 C1 H5 105.393 F4 C1 H5 112.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.210      
2 Br 0.149      
3 Cl 0.009      
4 F -0.243      
5 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.846 0.331 1.608 1.847
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.543 0.873 1.287
y 0.873 -43.517 1.361
z 1.287 1.361 -40.218
Traceless
 xyz
x -1.675 0.873 1.287
y 0.873 -1.636 1.361
z 1.287 1.361 3.312
Polar
3z2-r26.623
x2-y2-0.026
xy0.873
xz1.287
yz1.361


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.345 -0.342 0.104
y -0.342 3.809 0.430
z 0.104 0.430 2.459


<r2> (average value of r2) Å2
<r2> 192.558
(<r2>)1/2 13.877