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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-3137.037182
Energy at 298.15K-3137.041594
HF Energy-3137.037182
Nuclear repulsion energy309.725549
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/STO-3G
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 3183 2908 5.08 43.14 0.40 0.57
2 A 1349 1232 58.36 4.69 0.67 0.80
3 A 1227 1121 68.21 3.69 0.69 0.81
4 A 1217 1111 51.66 6.79 0.74 0.85
5 A 741 677 181.72 5.80 0.54 0.70
6 A 667 609 31.01 8.77 0.12 0.22
7 A 406 371 5.42 4.91 0.29 0.45
8 A 313 286 0.55 2.75 0.74 0.85
9 A 206 189 1.43 4.87 0.59 0.74

Unscaled Zero Point Vibrational Energy (zpe) 4653.9 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 4251.8 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 PBEPBE/STO-3G
ABC
0.19485 0.06247 0.04877

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.531 0.522 0.410
Br2 -1.239 -0.208 -0.030
Cl3 1.919 -0.706 -0.065
F4 0.770 1.728 -0.206
H5 0.621 0.603 1.532

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.96471.91271.37511.1282
Br21.96473.19772.79572.5602
Cl31.91273.19772.69502.4389
F41.37512.79572.69502.0750
H51.12822.56022.43892.0750

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.108 Br2 C1 F4 112.465
Br2 C1 H5 108.699 Cl3 C1 F4 109.011
Cl3 C1 H5 103.623 F4 C1 H5 111.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.015      
2 Br 0.032      
3 Cl -0.174      
4 F 0.002      
5 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.898 1.606 1.046 2.116
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.993 1.850 0.770
y 1.850 -37.725 0.655
z 0.770 0.655 -36.560
Traceless
 xyz
x -3.850 1.850 0.770
y 1.850 1.051 0.655
z 0.770 0.655 2.799
Polar
3z2-r25.598
x2-y2-3.267
xy1.850
xz0.770
yz0.655


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.657 -0.171 0.082
y -0.171 2.368 0.237
z 0.082 0.237 1.134


<r2> (average value of r2) Å2
<r2> 190.472
(<r2>)1/2 13.801