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All results from a given calculation for CH2BrF (Methane, bromofluoro-)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-2708.532365
Energy at 298.15K-2708.537920
HF Energy-2708.532365
Nuclear repulsion energy167.598982
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 HF/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' 3263 2955 24.00      
2 A' 1639 1484 0.38      
3 A' 1476 1337 72.77      
4 A' 1223 1108 186.86      
5 A' 707 640 74.28      
6 A' 345 313 0.54      
7 A" 3343 3027 9.45      
8 A" 1372 1242 4.11      
9 A" 1037 939 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 7202.1 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 6521.5 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 HF/6-31G(2df,p)
ABC
1.37206 0.12903 0.12064

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.507 -1.103 0.000
F2 -0.579 -1.875 0.000
Br3 0.000 0.745 0.000
H4 1.085 -1.284 0.892
H5 1.085 -1.284 -0.892

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.33251.91631.07741.0774
F21.33252.68241.97801.9780
Br31.91632.68242.46692.4669
H41.07741.97802.46691.7835
H51.07741.97802.46691.7835

picture of Methane, bromofluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 110.008 F2 C1 H4 109.870
F2 C1 H5 109.870 Br3 C1 H4 107.661
Br3 C1 H5 107.661 H4 C1 H5 111.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.062      
2 F -0.227      
3 Br -0.068      
4 H 0.178      
5 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.702 -0.808 0.000 1.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.994 -3.289 0.000
y -3.289 -29.751 0.000
z 0.000 0.000 -28.933
Traceless
 xyz
x 0.348 -3.289 0.000
y -3.289 -0.788 0.000
z 0.000 0.000 0.439
Polar
3z2-r20.879
x2-y20.757
xy-3.289
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.075 -0.400 0.000
y -0.400 5.702 0.000
z 0.000 0.000 3.942


<r2> (average value of r2) Å2
<r2> 88.391
(<r2>)1/2 9.402