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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: mPW1PW91/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-5287.161462
Energy at 298.15K 
HF Energy-5287.161462
Nuclear repulsion energy482.082881
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/daug-cc-pVDZ
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' 3182 3182 0.06 72.98 0.20 0.33
2 A' 1299 1299 9.56 4.49 0.39 0.56
3 A' 1094 1094 181.67 2.71 0.50 0.67
4 A' 629 629 22.86 14.18 0.06 0.10
5 A' 363 363 0.21 5.90 0.10 0.19
6 A' 172 172 0.00 2.90 0.34 0.51
7 A" 1185 1185 74.47 1.28 0.75 0.86
8 A" 715 715 197.32 3.90 0.75 0.86
9 A" 299 299 0.02 1.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4468.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4468.2 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/daug-cc-pVDZ
ABC
0.18400 0.04099 0.03426

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.103 0.786 0.000
H2 -1.011 1.392 0.000
F3 0.983 1.586 0.000
Br4 -0.103 -0.291 1.604
Br5 -0.103 -0.291 -1.604

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.09191.34891.93181.9318
H21.09192.00342.49602.4960
F31.34892.00342.69742.6974
Br41.93182.49602.69743.2071
Br51.93182.49602.69743.2071

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.884 H2 C1 Br4 108.033
H2 C1 Br5 108.033 F3 C1 Br4 109.323
F3 C1 Br5 109.323 Br4 C1 Br5 112.214
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.254      
2 H -0.307      
3 F -0.524      
4 Br 0.288      
5 Br 0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.072 0.428 0.000 1.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.081 -2.171 0.000
y -2.171 -46.804 0.000
z 0.000 0.000 -46.876
Traceless
 xyz
x -1.241 -2.171 0.000
y -2.171 0.674 0.000
z 0.000 0.000 0.567
Polar
3z2-r21.133
x2-y2-1.277
xy-2.171
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.092 0.210 0.000
y 0.210 7.871 0.000
z 0.000 0.000 11.254


<r2> (average value of r2) Å2
<r2> 254.263
(<r2>)1/2 15.946