return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-3169.666237
Energy at 298.15K-3169.670895
HF Energy-3169.485897
Nuclear repulsion energy320.190524
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/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 3217 3054 4.56 76.55 0.28 0.43
2 A 1365 1295 23.07 6.05 0.75 0.86
3 A 1261 1197 86.04 4.79 0.66 0.80
4 A 1133 1075 179.30 1.43 0.72 0.84
5 A 782 742 202.59 4.81 0.58 0.74
6 A 658 624 67.30 11.23 0.15 0.26
7 A 424 403 1.36 4.80 0.27 0.42
8 A 310 295 0.15 3.33 0.51 0.68
9 A 228 216 0.07 4.93 0.50 0.67

Unscaled Zero Point Vibrational Energy (zpe) 4688.8 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 4450.6 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 B2PLYP/6-31G*
ABC
0.21380 0.06638 0.05232

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.579 0.464 0.416
Br2 -1.209 -0.186 -0.028
Cl3 1.835 -0.687 -0.068
F4 0.783 1.645 -0.205
H5 0.615 0.595 1.493

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.95371.77131.34951.0854
Br21.95373.08522.71142.5010
Cl31.77133.08522.56132.3596
F41.34952.71142.56132.0033
H51.08542.50102.35962.0033

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.742 Br2 C1 F4 108.962
Br2 C1 H5 107.276 Cl3 C1 F4 109.577
Cl3 C1 H5 109.009 F4 C1 H5 110.248
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 Br -0.074      
3 Cl 0.012      
4 F -0.243      
5 H 0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.035 0.100 1.298 1.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.518 0.236 1.160
y 0.236 -42.610 1.288
z 1.160 1.288 -39.981
Traceless
 xyz
x -0.222 0.236 1.160
y 0.236 -1.861 1.288
z 1.160 1.288 2.083
Polar
3z2-r24.167
x2-y21.093
xy0.236
xz1.160
yz1.288


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.568 -0.296 0.049
y -0.296 4.866 0.292
z 0.049 0.292 4.011


<r2> (average value of r2) Å2
<r2> 181.129
(<r2>)1/2 13.458