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

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-2713.445761
Energy at 298.15K-2713.451208
HF Energy-2713.445761
Nuclear repulsion energy165.073385
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/aug-cc-pVDZ
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' 3122 2992 13.43      
2 A' 1460 1399 0.68      
3 A' 1317 1262 35.50      
4 A' 1086 1041 192.54      
5 A' 656 629 68.71      
6 A' 314 301 0.44      
7 A" 3217 3082 1.92      
8 A" 1235 1183 2.30      
9 A" 938 899 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 6671.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 6393.5 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 mPW1PW91/aug-cc-pVDZ
ABC
1.33144 0.12499 0.11693

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.518 -1.112 0.000
F2 -0.588 -1.910 0.000
Br3 0.000 0.755 0.000
H4 1.092 -1.289 0.913
H5 1.092 -1.289 -0.913

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.36391.93771.09311.0931
F21.36392.72962.01072.0107
Br31.93772.72962.49142.4914
H41.09312.01072.49141.8260
H51.09312.01072.49141.8260

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 110.317 F2 C1 H4 109.339
F2 C1 H5 109.339 Br3 C1 H4 107.263
Br3 C1 H5 107.263 H4 C1 H5 113.274
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.398      
2 F -0.374      
3 Br 0.203      
4 H -0.113      
5 H -0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.690 -0.637 0.000 1.806
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.466 -3.371 0.000
y -3.371 -30.111 0.000
z 0.000 0.000 -29.302
Traceless
 xyz
x 0.241 -3.371 0.000
y -3.371 -0.727 0.000
z 0.000 0.000 0.486
Polar
3z2-r20.972
x2-y20.645
xy-3.371
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.854 -0.300 0.000
y -0.300 6.745 0.000
z 0.000 0.000 4.587


<r2> (average value of r2) Å2
<r2> 90.827
(<r2>)1/2 9.530