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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-2699.543143
Energy at 298.15K-2699.548533
HF Energy-2699.460351
Nuclear repulsion energy159.818061
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' 3153 3153 19.99      
2 A' 1572 1572 0.75      
3 A' 1378 1378 65.51      
4 A' 1096 1096 130.06      
5 A' 607 607 61.99      
6 A' 284 284 1.23      
7 A" 3231 3231 16.14      
8 A" 1261 1261 1.47      
9 A" 947 947 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 6764.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6764.8 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 B2PLYP/3-21G
ABC
1.28707 0.11614 0.10879

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 0.529 -1.166 0.000
F2 -0.600 -1.981 0.000
Br3 0.000 0.784 0.000
H4 1.115 -1.309 0.902
H5 1.115 -1.309 -0.902

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.39282.02051.08511.0851
F21.39282.82952.05112.0511
Br32.02052.82952.53742.5374
H41.08512.05112.53741.8038
H51.08512.05112.53741.8038

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 110.640 F2 C1 H4 111.138
F2 C1 H5 111.138 Br3 C1 H4 105.597
Br3 C1 H5 105.597 H4 C1 H5 112.446
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 -0.227      
2 F -0.279      
3 Br 0.023      
4 H 0.241      
5 H 0.241      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.920 -0.679 0.000 2.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.945 -3.213 0.000
y -3.213 -30.227 0.000
z 0.000 0.000 -29.013
Traceless
 xyz
x 0.675 -3.213 0.000
y -3.213 -1.248 0.000
z 0.000 0.000 0.572
Polar
3z2-r21.145
x2-y21.282
xy-3.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.195 -0.614 0.000
y -0.614 5.253 0.000
z 0.000 0.000 1.928


<r2> (average value of r2) Å2
<r2> 95.816
(<r2>)1/2 9.789