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

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-2700.546403
Energy at 298.15K-2700.551834
HF Energy-2700.546403
Nuclear repulsion energy163.550758
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 mPW1PW91/3-21G*
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' 3128 2970 19.37      
2 A' 1559 1480 0.08      
3 A' 1379 1309 47.59      
4 A' 1105 1049 115.43      
5 A' 651 618 61.73      
6 A' 298 283 0.76      
7 A" 3202 3040 13.13      
8 A" 1260 1196 1.02      
9 A" 964 915 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 6772.3 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 6431.0 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 mPW1PW91/3-21G*
ABC
1.31868 0.12208 0.11421

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.520 -1.113 0.000
F2 -0.594 -1.943 0.000
Br3 0.000 0.763 0.000
H4 1.112 -1.266 0.900
H5 1.112 -1.266 -0.900

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.38971.94611.08841.0884
F21.38972.77012.04482.0448
Br31.94612.77012.48222.4822
H41.08842.04482.48221.8007
H51.08842.04482.48221.8007

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 111.192 F2 C1 H4 110.621
F2 C1 H5 110.621 Br3 C1 H4 106.312
Br3 C1 H5 106.312 H4 C1 H5 111.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.155      
2 F -0.281      
3 Br -0.073      
4 H 0.255      
5 H 0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.806 -0.467 0.000 1.866
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.553 -3.345 0.000
y -3.345 -29.486 0.000
z 0.000 0.000 -28.662
Traceless
 xyz
x 0.521 -3.345 0.000
y -3.345 -0.878 0.000
z 0.000 0.000 0.358
Polar
3z2-r20.715
x2-y20.933
xy-3.345
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.025 -0.397 0.000
y -0.397 5.064 0.000
z 0.000 0.000 2.818


<r2> (average value of r2) Å2
<r2> 91.912
(<r2>)1/2 9.587