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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-3173.069861
Energy at 298.15K-3173.074545
HF Energy-3173.069861
Nuclear repulsion energy321.774691
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 mPW1PW91/aug-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 3180 3047 0.20 75.30 0.21 0.34
2 A 1303 1249 9.55 3.31 0.52 0.68
3 A 1213 1162 60.70 1.97 0.38 0.56
4 A 1097 1051 187.02 1.98 0.72 0.84
5 A 787 755 199.01 3.81 0.58 0.74
6 A 665 638 55.41 13.84 0.09 0.16
7 A 428 410 0.66 4.51 0.15 0.26
8 A 315 302 0.02 2.61 0.42 0.59
9 A 226 217 0.02 3.26 0.41 0.58

Unscaled Zero Point Vibrational Energy (zpe) 4606.9 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 4414.8 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 mPW1PW91/aug-cc-pVDZ
ABC
0.21496 0.06719 0.05289

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.569 0.460 0.415
Br2 -1.201 -0.186 -0.028
Cl3 1.825 -0.684 -0.068
F4 0.777 1.641 -0.204
H5 0.614 0.595 1.498

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93621.76571.34941.0925
Br21.93623.06752.69862.4967
Cl31.76573.06752.55392.3569
F41.34942.69862.55392.0039
H51.09252.49672.35692.0039

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.832 Br2 C1 F4 109.134
Br2 C1 H5 107.769 Cl3 C1 F4 109.419
Cl3 C1 H5 108.810 F4 C1 H5 109.850
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.008      
2 Br 0.323      
3 Cl -0.007      
4 F -0.332      
5 H 0.008      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.015 -0.057 1.232 1.233
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.511 -0.030 1.096
y -0.030 -43.196 1.507
z 1.096 1.507 -40.305
Traceless
 xyz
x 0.239 -0.030 1.096
y -0.030 -2.287 1.507
z 1.096 1.507 2.048
Polar
3z2-r24.096
x2-y21.684
xy-0.030
xz1.096
yz1.507


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.417 -0.214 0.051
y -0.214 6.768 0.159
z 0.051 0.159 5.979


<r2> (average value of r2) Å2
<r2> 179.703
(<r2>)1/2 13.405