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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: HF/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-3169.922552
Energy at 298.15K-3169.927397
HF Energy-3169.922552
Nuclear repulsion energy324.417050
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/aug-cc-pVQZ
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 3335 3029 0.63 67.18 0.20 0.34
2 A 1468 1333 18.72 4.29 0.39 0.56
3 A 1353 1229 88.21 3.11 0.36 0.53
4 A 1229 1116 199.34 4.02 0.53 0.69
5 A 860 781 208.43 6.57 0.70 0.83
6 A 717 651 50.90 19.26 0.11 0.20
7 A 463 420 1.02 5.12 0.14 0.24
8 A 345 314 0.15 2.81 0.38 0.55
9 A 242 220 0.03 2.95 0.36 0.52

Unscaled Zero Point Vibrational Energy (zpe) 5005.1 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 4547.1 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/aug-cc-pVQZ
ABC
0.22132 0.06781 0.05359

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.567 0.462 0.406
Br2 -1.196 -0.185 -0.028
Cl3 1.819 -0.674 -0.066
F4 0.768 1.616 -0.202
H5 0.609 0.595 1.468

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.92701.75501.31971.0715
Br21.92703.05462.67032.4706
Cl31.75503.05462.52292.3295
F41.31972.67032.52291.9638
H51.07152.47062.32951.9638

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.030 Br2 C1 F4 109.230
Br2 C1 H5 107.511 Cl3 C1 F4 109.464
Cl3 C1 H5 108.586 F4 C1 H5 109.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.203      
2 Br 0.064      
3 Cl -0.121      
4 F -0.535      
5 H 0.389      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.035 -0.022 1.326 1.326
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.036 -0.001 1.139
y -0.001 -43.516 1.567
z 1.139 1.567 -40.371
Traceless
 xyz
x -0.093 -0.001 1.139
y -0.001 -2.312 1.567
z 1.139 1.567 2.404
Polar
3z2-r24.809
x2-y21.479
xy-0.001
xz1.139
yz1.567


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.017 -0.212 0.054
y -0.212 6.501 0.160
z 0.054 0.160 5.910


<r2> (average value of r2) Å2
<r2> 177.791
(<r2>)1/2 13.334