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

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-2798.223460
Energy at 298.15K-2798.228244
HF Energy-2798.223460
Nuclear repulsion energy248.540002
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 PBEPBE/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' 3062 3034 34.43      
2 A' 1251 1240 86.35      
3 A' 1070 1060 214.01      
4 A' 650 644 115.90      
5 A' 527 522 11.04      
6 A' 280 278 2.19      
7 A" 1349 1336 28.58      
8 A" 1150 1139 141.80      
9 A" 278 276 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 4808.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 4764.5 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 PBEPBE/3-21G
ABC
0.31714 0.08857 0.07217

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.435 -0.969 0.000
H2 -1.532 -0.983 0.000
Br3 0.078 1.002 0.000
F4 0.078 -1.571 1.126
F5 0.078 -1.571 -1.126

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09742.03751.37621.3762
H21.09742.55592.05132.0513
Br32.03752.55592.80962.8096
F41.37622.05132.80962.2527
F51.37622.05132.80962.2527

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 105.262 H2 C1 F4 111.551
H2 C1 F5 111.551 Br3 C1 F4 109.244
Br3 C1 F5 109.244 F4 C1 F5 109.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.134      
2 H 0.259      
3 Br 0.037      
4 F -0.215      
5 F -0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.512 -0.516 0.000 1.598
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.763 1.829 0.000
y 1.829 -33.687 0.000
z 0.000 0.000 -35.305
Traceless
 xyz
x 2.733 1.829 0.000
y 1.829 -0.153 0.000
z 0.000 0.000 -2.580
Polar
3z2-r2-5.159
x2-y21.924
xy1.829
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.156 0.674 0.000
y 0.674 5.456 0.000
z 0.000 0.000 2.274


<r2> (average value of r2) Å2
<r2> 133.842
(<r2>)1/2 11.569