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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-5286.865323
Energy at 298.15K 
HF Energy-5286.865323
Nuclear repulsion energy479.834110
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 B3PW91/TZVP
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' 3166 3053 0.41 79.12 0.24 0.39
2 A' 1325 1278 17.77 4.78 0.74 0.85
3 A' 1105 1065 217.59 1.28 0.75 0.86
4 A' 620 598 27.16 9.77 0.13 0.23
5 A' 360 347 0.51 4.98 0.23 0.38
6 A' 167 161 0.00 4.94 0.51 0.68
7 A" 1187 1145 92.82 1.87 0.75 0.86
8 A" 693 669 223.38 6.06 0.75 0.86
9 A" 297 287 0.21 3.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4460.1 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 4300.8 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 B3PW91/TZVP
ABC
0.18306 0.04050 0.03387

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.101 0.789 0.000
H2 -1.016 1.374 0.000
F3 0.966 1.602 0.000
Br4 -0.101 -0.293 1.614
Br5 -0.101 -0.293 -1.614

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08561.34121.94301.9430
H21.08561.99472.49382.4938
F31.34121.99472.70822.7082
Br41.94302.49382.70823.2270
Br51.94302.49382.70823.2270

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.116 H2 C1 Br4 107.451
H2 C1 Br5 107.451 F3 C1 Br4 109.741
F3 C1 Br5 109.741 Br4 C1 Br5 112.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.059      
2 H 0.176      
3 F -0.131      
4 Br -0.052      
5 Br -0.052      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.180 0.420 0.000 1.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.943 -2.256 0.000
y -2.256 -46.811 0.000
z 0.000 0.000 -46.765
Traceless
 xyz
x -1.155 -2.256 0.000
y -2.256 0.543 0.000
z 0.000 0.000 0.612
Polar
3z2-r21.224
x2-y2-1.132
xy-2.256
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.723 0.198 0.000
y 0.198 5.998 0.000
z 0.000 0.000 9.760


<r2> (average value of r2) Å2
<r2> 256.658
(<r2>)1/2 16.021