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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-3170.565133
Energy at 298.15K-3170.569814
HF Energy-3170.565133
Nuclear repulsion energy321.892342
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 mPW1PW91/6-31G**
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 3192 3037 3.80 79.23 0.26 0.42
2 A 1348 1283 21.21 5.61 0.75 0.86
3 A 1242 1182 77.03 4.44 0.66 0.80
4 A 1163 1106 186.20 1.24 0.72 0.83
5 A 785 747 213.08 4.28 0.58 0.74
6 A 664 632 66.45 10.47 0.14 0.25
7 A 429 408 1.30 4.52 0.28 0.43
8 A 314 299 0.17 3.08 0.52 0.68
9 A 228 217 0.08 4.75 0.50 0.67

Unscaled Zero Point Vibrational Energy (zpe) 4682.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 4455.7 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 mPW1PW91/6-31G**
ABC
0.21567 0.06713 0.05288

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.573 0.466 0.411
Br2 -1.202 -0.185 -0.028
Cl3 1.825 -0.684 -0.067
F4 0.778 1.637 -0.203
H5 0.608 0.590 1.491

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94131.76611.33861.0871
Br21.94133.06862.69692.4874
Cl31.76613.06862.55022.3518
F41.33862.69692.55021.9987
H51.08712.48742.35181.9987

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.637 Br2 C1 F4 109.236
Br2 C1 H5 107.033 Cl3 C1 F4 109.681
Cl3 C1 H5 108.685 F4 C1 H5 110.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.060      
2 Br -0.066      
3 Cl 0.022      
4 F -0.230      
5 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.009 0.160 1.280 1.290
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.198 0.312 1.142
y 0.312 -42.180 1.265
z 1.142 1.265 -39.668
Traceless
 xyz
x -0.274 0.312 1.142
y 0.312 -1.747 1.265
z 1.142 1.265 2.021
Polar
3z2-r24.042
x2-y20.982
xy0.312
xz1.142
yz1.265


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.577 -0.302 0.049
y -0.302 4.895 0.295
z 0.049 0.295 4.053


<r2> (average value of r2) Å2
<r2> 179.274
(<r2>)1/2 13.389