return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHBrF2 (Methane, bromodifluoro-)

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-2812.679161
Energy at 298.15K-2812.684117
HF Energy-2812.679161
Nuclear repulsion energy258.001868
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' 3170 3038 6.18      
2 A' 1281 1227 68.42      
3 A' 1110 1064 269.15      
4 A' 717 687 120.01      
5 A' 574 550 5.14      
6 A' 322 309 0.11      
7 A" 1344 1288 8.18      
8 A" 1137 1090 215.46      
9 A" 313 300 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 4984.1 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 4776.2 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
0.33814 0.09603 0.07814

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 -0.428 -0.909 0.000
H2 -1.520 -0.980 0.000
Br3 0.077 0.961 0.000
F4 0.077 -1.512 1.088
F5 0.077 -1.512 -1.088

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09441.93691.34301.3430
H21.09442.51402.00422.0042
Br31.93692.51402.70242.7024
F41.34302.00422.70242.1769
F51.34302.00422.70242.1769

picture of Methane, bromodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 108.867 H2 C1 F4 110.209
H2 C1 F5 110.209 Br3 C1 F4 109.632
Br3 C1 F5 109.632 F4 C1 F5 108.280
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 0.660      
2 H -0.195      
3 Br 0.228      
4 F -0.347      
5 F -0.347      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.414 0.025 0.000 1.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.246 2.217 0.000
y 2.217 -34.312 0.000
z 0.000 0.000 -36.154
Traceless
 xyz
x 2.987 2.217 0.000
y 2.217 -0.112 0.000
z 0.000 0.000 -2.875
Polar
3z2-r2-5.750
x2-y22.066
xy2.217
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.789 0.358 0.000
y 0.358 6.802 0.000
z 0.000 0.000 4.947


<r2> (average value of r2) Å2
<r2> 125.854
(<r2>)1/2 11.218