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

using model chemistry: B2PLYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-2699.804525
Energy at 298.15K-2699.809943
HF Energy-2699.691677
Nuclear repulsion energy162.558463
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/3-21G*
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' 3139 3139 19.80      
2 A' 1578 1578 0.38      
3 A' 1388 1388 59.17      
4 A' 1086 1086 109.32      
5 A' 637 637 63.23      
6 A' 294 294 0.79      
7 A" 3211 3211 14.09      
8 A" 1264 1264 1.38      
9 A" 968 968 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 6782.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6782.3 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/3-21G*
ABC
1.30266 0.12061 0.11280

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.526 -1.122 0.000
F2 -0.598 -1.953 0.000
Br3 0.000 0.768 0.000
H4 1.114 -1.275 0.900
H5 1.114 -1.275 -0.900

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.39751.96171.08651.0865
F21.39752.78602.04982.0498
Br31.96172.78602.49512.4951
H41.08652.04982.49511.8006
H51.08652.04982.49511.8006

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 110.953 F2 C1 H4 110.601
F2 C1 H5 110.601 Br3 C1 H4 106.304
Br3 C1 H5 106.304 H4 C1 H5 111.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.082      
2 F -0.286      
3 Br -0.090      
4 H 0.229      
5 H 0.229      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.821 -0.513 0.000 1.891
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.737 -3.371 0.000
y -3.371 -29.689 0.000
z 0.000 0.000 -28.855
Traceless
 xyz
x 0.535 -3.371 0.000
y -3.371 -0.893 0.000
z 0.000 0.000 0.358
Polar
3z2-r20.716
x2-y20.952
xy-3.371
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.010 -0.394 0.000
y -0.394 5.088 0.000
z 0.000 0.000 2.790


<r2> (average value of r2) Å2
<r2> 92.930
(<r2>)1/2 9.640