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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-5286.110146
Energy at 298.15K 
HF Energy-5285.827910
Nuclear repulsion energy480.820033
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 B2PLYP/cc-pVTZ
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' 3180 3050 0.47 72.66 0.22 0.36
2 A' 1331 1277 13.33 4.47 0.55 0.71
3 A' 1099 1054 182.56 1.75 0.62 0.76
4 A' 625 600 23.26 11.14 0.09 0.17
5 A' 360 345 0.35 5.71 0.15 0.26
6 A' 170 163 0.00 3.61 0.45 0.62
7 A" 1199 1150 84.43 1.80 0.75 0.86
8 A" 706 677 197.17 4.79 0.75 0.86
9 A" 298 286 0.05 2.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4483.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4301.1 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 B2PLYP/cc-pVTZ
ABC
0.18354 0.04070 0.03403

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.787 0.000
H2 -1.009 1.377 0.000
F3 0.975 1.595 0.000
Br4 -0.102 -0.292 1.609
Br5 -0.102 -0.292 -1.609

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08141.34581.93791.9379
H21.08141.99522.48962.4896
F31.34581.99522.70372.7037
Br41.93792.48962.70373.2188
Br51.93792.48962.70373.2188

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.099 H2 C1 Br4 107.680
H2 C1 Br5 107.680 F3 C1 Br4 109.523
F3 C1 Br5 109.523 Br4 C1 Br5 112.294
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.126      
2 H 0.128      
3 F -0.153      
4 Br -0.051      
5 Br -0.051      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.082 0.458 0.000 1.175
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.043 -2.052 0.006
y -2.052 -46.950 0.014
z 0.006 0.014 -47.181
Traceless
 xyz
x -0.977 -2.052 0.006
y -2.052 0.662 0.014
z 0.006 0.014 0.316
Polar
3z2-r20.631
x2-y2-1.092
xy-2.052
xz0.006
yz0.014


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.257 0.207 -0.000
y 0.207 6.407 -0.002
z -0.000 -0.002 9.983


<r2> (average value of r2) Å2
<r2> 255.751
(<r2>)1/2 15.992