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: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-3169.759995
Energy at 298.15K-3169.764828
HF Energy-3169.759995
Nuclear repulsion energy323.257347
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 HF/cc-pVDZ
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 3367 3057 3.88 81.63 0.24 0.39
2 A 1448 1315 28.68 4.14 0.69 0.82
3 A 1336 1213 105.87 3.50 0.59 0.74
4 A 1229 1116 236.33 2.70 0.73 0.84
5 A 856 777 233.27 8.65 0.69 0.82
6 A 711 645 57.53 16.09 0.17 0.29
7 A 458 416 1.48 5.01 0.25 0.40
8 A 342 311 0.13 3.40 0.51 0.67
9 A 244 221 0.09 5.18 0.52 0.68

Unscaled Zero Point Vibrational Energy (zpe) 4995.4 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 4535.8 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 HF/cc-pVDZ
ABC
0.21964 0.06735 0.05322

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.567 0.462 0.409
Br2 -1.199 -0.186 -0.028
Cl3 1.827 -0.675 -0.067
F4 0.768 1.623 -0.203
H5 0.611 0.596 1.480

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93091.76221.32781.0804
Br21.93093.06562.67832.4823
Cl31.76223.06562.53342.3421
F41.32782.67832.53341.9771
H51.08042.48232.34211.9771

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.133 Br2 C1 F4 109.150
Br2 C1 H5 107.664 Cl3 C1 F4 109.341
Cl3 C1 H5 108.575 F4 C1 H5 109.950
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.237      
2 Br -0.039      
3 Cl -0.076      
4 F -0.242      
5 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.062 -0.051 1.461 1.464
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.946 0.113 1.214
y 0.113 -43.452 1.503
z 1.214 1.503 -40.143
Traceless
 xyz
x -0.149 0.113 1.214
y 0.113 -2.408 1.503
z 1.214 1.503 2.556
Polar
3z2-r25.113
x2-y21.506
xy0.113
xz1.214
yz1.503


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.118 -0.218 0.110
y -0.218 4.302 0.345
z 0.110 0.345 3.504


<r2> (average value of r2) Å2
<r2> 178.773
(<r2>)1/2 13.371