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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-3172.299398
Energy at 298.15K-3172.303967
HF Energy-3172.299398
Nuclear repulsion energy318.798020
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 PBEPBE/cc-pVTZ
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 3070 3048 1.88 79.14 0.23 0.37
2 A 1271 1263 9.70 4.18 0.69 0.81
3 A 1164 1156 58.38 2.30 0.48 0.65
4 A 1056 1049 190.76 0.78 0.64 0.78
5 A 726 721 203.17 3.02 0.54 0.70
6 A 627 622 75.30 10.03 0.13 0.23
7 A 410 407 0.77 5.09 0.22 0.36
8 A 298 296 0.75 3.40 0.47 0.64
9 A 211 210 0.06 4.99 0.48 0.65

Unscaled Zero Point Vibrational Energy (zpe) 4416.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 4386.2 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 PBEPBE/cc-pVTZ
ABC
0.21175 0.06581 0.05183

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.582 0.466 0.413
Br2 -1.215 -0.186 -0.028
Cl3 1.842 -0.692 -0.068
F4 0.790 1.653 -0.203
H5 0.618 0.592 1.498

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.96171.77761.35311.0932
Br21.96173.09842.72672.5093
Cl31.77763.09842.57342.3657
F41.35312.72672.57342.0123
H51.09322.50932.36572.0123

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.818 Br2 C1 F4 109.308
Br2 C1 H5 106.987 Cl3 C1 F4 109.828
Cl3 C1 H5 108.624 F4 C1 H5 110.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.134      
2 Br -0.053      
3 Cl -0.071      
4 F -0.116      
5 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.117 0.083 1.160 1.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.524 0.143 0.996
y 0.143 -42.687 1.255
z 0.996 1.255 -40.276
Traceless
 xyz
x -0.043 0.143 0.996
y 0.143 -1.787 1.255
z 0.996 1.255 1.830
Polar
3z2-r23.659
x2-y21.163
xy0.143
xz0.996
yz1.255


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.959 -0.236 0.082
y -0.236 5.874 0.290
z 0.082 0.290 4.863


<r2> (average value of r2) Å2
<r2> 182.622
(<r2>)1/2 13.514