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: B3LYPultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-3170.613867
Energy at 298.15K-3170.618510
HF Energy-3170.613867
Nuclear repulsion energy321.762587
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 B3LYPultrafine/6-31G(2df,p)
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 3142 3032 2.75 70.01 0.26 0.41
2 A 1333 1287 14.84 4.26 0.70 0.82
3 A 1220 1177 65.34 2.70 0.59 0.74
4 A 1130 1090 163.63 1.01 0.75 0.86
5 A 743 717 204.55 3.73 0.59 0.74
6 A 658 635 50.18 10.40 0.09 0.17
7 A 419 404 0.99 4.97 0.19 0.32
8 A 316 305 0.13 2.58 0.48 0.65
9 A 220 212 0.03 3.72 0.45 0.62

Unscaled Zero Point Vibrational Energy (zpe) 4590.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 4429.5 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 B3LYPultrafine/6-31G(2df,p)
ABC
0.21534 0.06702 0.05279

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.557 0.472 0.413
Br2 -1.200 -0.192 -0.028
Cl3 1.839 -0.675 -0.067
F4 0.753 1.641 -0.204
H5 0.612 0.597 1.492

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.92911.78661.33621.0881
Br21.92913.07772.68392.4932
Cl31.78663.07772.56212.3575
F41.33622.68392.56211.9975
H51.08812.49322.35751.9975

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.791 Br2 C1 F4 109.207
Br2 C1 H5 108.187 Cl3 C1 F4 109.411
Cl3 C1 H5 107.694 F4 C1 H5 110.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 Br 0.027      
3 Cl -0.109      
4 F -0.062      
5 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.073 0.237 1.156 1.183
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.341 0.285 1.046
y 0.285 -42.119 1.310
z 1.046 1.310 -39.672
Traceless
 xyz
x -0.446 0.285 1.046
y 0.285 -1.613 1.310
z 1.046 1.310 2.058
Polar
3z2-r24.116
x2-y20.778
xy0.285
xz1.046
yz1.310


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.511 -0.314 0.036
y -0.314 5.830 0.236
z 0.036 0.236 5.056


<r2> (average value of r2) Å2
<r2> 179.574
(<r2>)1/2 13.401