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: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-3165.851336
Energy at 298.15K-3165.855965
HF Energy-3165.851336
Nuclear repulsion energy323.548305
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 LSDA/6-31+G**
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 3077 3031 0.26      
2 A 1258 1239 11.38      
3 A 1182 1165 59.46      
4 A 1095 1078 208.45      
5 A 767 756 221.93      
6 A 651 642 71.05      
7 A 422 416 0.94      
8 A 310 305 0.06      
9 A 220 217 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4491.2 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 4423.8 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 LSDA/6-31+G**
ABC
0.21841 0.06779 0.05348

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.562 0.452 0.415
Br2 -1.195 -0.186 -0.029
Cl3 1.821 -0.674 -0.068
F4 0.764 1.630 -0.204
H5 0.602 0.592 1.506

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.92121.75681.34571.1006
Br21.92123.05532.67672.4877
Cl31.75683.05532.53802.3599
F41.34572.67672.53802.0065
H51.10062.48772.35992.0065

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.266 Br2 C1 F4 108.759
Br2 C1 H5 107.715 Cl3 C1 F4 109.062
Cl3 C1 H5 109.203 F4 C1 H5 109.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.186      
2 Br -0.019      
3 Cl 0.099      
4 F -0.144      
5 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.028 -0.113 1.281 1.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.655 0.014 1.170
y 0.014 -43.564 1.471
z 1.170 1.471 -40.577
Traceless
 xyz
x 0.416 0.014 1.170
y 0.014 -2.449 1.471
z 1.170 1.471 2.033
Polar
3z2-r24.065
x2-y21.910
xy0.014
xz1.170
yz1.471


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.786 -0.247 0.037
y -0.247 6.109 0.213
z 0.037 0.213 5.271


<r2> (average value of r2) Å2
<r2> 178.235
(<r2>)1/2 13.350