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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-3172.304347
Energy at 298.15K-3172.308912
HF Energy-3172.304347
Nuclear repulsion energy318.843423
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 PBEPBEultrafine/aug-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 3071 3036 0.35 80.36 0.20 0.34
2 A 1264 1250 8.02 3.70 0.51 0.67
3 A 1162 1149 53.85 2.02 0.32 0.48
4 A 1037 1025 187.03 1.62 0.74 0.85
5 A 725 717 198.01 2.90 0.43 0.60
6 A 627 620 71.80 13.39 0.08 0.14
7 A 409 404 0.56 5.44 0.14 0.24
8 A 298 294 0.50 2.99 0.38 0.55
9 A 211 209 0.06 3.79 0.37 0.54

Unscaled Zero Point Vibrational Energy (zpe) 4401.6 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 4352.3 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.21167 0.06585 0.05185

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.580 0.464 0.413
Br2 -1.215 -0.186 -0.028
Cl3 1.841 -0.692 -0.068
F4 0.790 1.654 -0.203
H5 0.619 0.594 1.498

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.95911.77711.35671.0932
Br21.95913.09762.72692.5100
Cl31.77713.09762.57392.3663
F41.35672.72692.57392.0120
H51.09322.51002.36632.0120

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.919 Br2 C1 F4 109.301
Br2 C1 H5 107.204 Cl3 C1 F4 109.711
Cl3 C1 H5 108.710 F4 C1 H5 109.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.146      
2 Br 0.024      
3 Cl -0.109      
4 F -0.295      
5 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.059 -0.014 1.156 1.158
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.767 0.019 1.042
y 0.019 -43.237 1.393
z 1.042 1.393 -40.570
Traceless
 xyz
x 0.137 0.019 1.042
y 0.019 -2.069 1.393
z 1.042 1.393 1.932
Polar
3z2-r23.863
x2-y21.471
xy0.019
xz1.042
yz1.393


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.236 -0.248 0.035
y -0.248 7.406 0.152
z 0.035 0.152 6.524


<r2> (average value of r2) Å2
<r2> 182.787
(<r2>)1/2 13.520