return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: M06-2X/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 M06-2X/STO-3G
 hartrees
Energy at 0K-3137.871410
Energy at 298.15K-3137.875965
HF Energy-3137.871410
Nuclear repulsion energy315.264996
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 M06-2X/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 3350 3350 0.99 39.78 0.38 0.55
2 A 1419 1419 56.15 4.91 0.75 0.86
3 A 1300 1300 62.31 7.69 0.74 0.85
4 A 1274 1274 63.64 3.64 0.74 0.85
5 A 847 847 146.80 9.46 0.57 0.72
6 A 716 716 32.53 9.63 0.13 0.23
7 A 428 428 5.92 4.20 0.33 0.49
8 A 325 325 0.30 2.55 0.72 0.84
9 A 224 224 2.04 4.19 0.62 0.77

Unscaled Zero Point Vibrational Energy (zpe) 4941.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4941.7 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 M06-2X/STO-3G
ABC
0.20106 0.06498 0.05067

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.532 0.501 0.409
Br2 -1.217 -0.200 -0.029
Cl3 1.874 -0.699 -0.065
F4 0.769 1.700 -0.203
H5 0.614 0.593 1.518

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93451.86201.36701.1164
Br21.93453.13092.75472.5251
Cl31.86203.13092.64532.4011
F41.36702.75472.64532.0530
H51.11642.52512.40112.0530

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.094 Br2 C1 F4 111.952
Br2 C1 H5 108.734 Cl3 C1 F4 109.054
Cl3 C1 H5 104.655 F4 C1 H5 111.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.046      
2 Br 0.038      
3 Cl -0.159      
4 F -0.049      
5 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.817 1.251 1.175 1.901
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.059 1.508 0.859
y 1.508 -38.560 0.760
z 0.859 0.760 -36.581
Traceless
 xyz
x -3.488 1.508 0.859
y 1.508 0.260 0.760
z 0.859 0.760 3.228
Polar
3z2-r26.456
x2-y2-2.499
xy1.508
xz0.859
yz0.760


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.209 -0.183 0.078
y -0.183 2.127 0.254
z 0.078 0.254 1.112


<r2> (average value of r2) Å2
<r2> 184.493
(<r2>)1/2 13.583