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

using model chemistry: B2PLYP/6-31G*

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/6-31G*
 hartrees
Energy at 0K-2710.228799
Energy at 298.15K-2710.234229
HF Energy-2710.093021
Nuclear repulsion energy163.960636
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/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' 3154 2994 19.06      
2 A' 1551 1472 0.57      
3 A' 1373 1303 76.19      
4 A' 1127 1070 171.15      
5 A' 634 602 70.14      
6 A' 307 292 0.48      
7 A" 3241 3076 10.34      
8 A" 1274 1209 2.88      
9 A" 959 910 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 6809.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 6463.6 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/6-31G*
ABC
1.33553 0.12283 0.11503

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.516 -1.130 0.000
F2 -0.587 -1.925 0.000
Br3 0.000 0.762 0.000
H4 1.095 -1.293 0.906
H5 1.095 -1.293 -0.906

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.36011.96131.08721.0872
F21.36012.75072.01252.0125
Br31.96132.75072.49882.4988
H41.08722.01252.49881.8113
H51.08722.01252.49881.8113

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 110.521 F2 C1 H4 110.136
F2 C1 H5 110.136 Br3 C1 H4 106.556
Br3 C1 H5 106.556 H4 C1 H5 112.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.032      
2 F -0.276      
3 Br -0.140      
4 H 0.192      
5 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.661 -0.814 0.000 1.850
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.912 -3.069 0.000
y -3.069 -29.449 0.000
z 0.000 0.000 -29.051
Traceless
 xyz
x 0.338 -3.069 0.000
y -3.069 -0.468 0.000
z 0.000 0.000 0.130
Polar
3z2-r20.260
x2-y20.537
xy-3.069
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.439 -0.427 0.000
y -0.427 5.493 0.000
z 0.000 0.000 3.278


<r2> (average value of r2) Å2
<r2> 91.632
(<r2>)1/2 9.572