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: ROHF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROHF/6-31G
 hartrees
Energy at 0K-2806.986501
Energy at 298.15K-2806.991496
HF Energy-2806.986501
Nuclear repulsion energy255.460384
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 ROHF/6-31G
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' 3434 3075 9.12      
2 A' 1414 1266 130.48      
3 A' 1167 1045 274.76      
4 A' 731 654 133.79      
5 A' 567 507 17.29      
6 A' 328 293 0.55      
7 A" 1488 1332 28.46      
8 A" 1246 1115 198.51      
9 A" 327 293 2.22      

Unscaled Zero Point Vibrational Energy (zpe) 5350.1 cm-1
Scaled (by 0.8953) Zero Point Vibrational Energy (zpe) 4790.0 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 ROHF/6-31G
ABC
0.32809 0.09451 0.07666

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.439 -0.913 0.000
H2 -1.504 -0.993 0.000
Br3 0.078 0.969 0.000
F4 0.078 -1.525 1.106
F5 0.078 -1.525 -1.106

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.06751.95161.36571.3657
H21.06752.52032.00202.0020
Br31.95162.52032.72802.7280
F41.36572.00202.72802.2116
F51.36572.00202.72802.2116

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 109.685 H2 C1 F4 110.129
H2 C1 F5 110.129 Br3 C1 F4 109.368
Br3 C1 F5 109.368 F4 C1 F5 108.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.389      
2 H 0.244      
3 Br 0.125      
4 F -0.379      
5 F -0.379      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.132 0.564 0.000 2.205
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.815 2.669 0.000
y 2.669 -36.034 0.000
z 0.000 0.000 -37.552
Traceless
 xyz
x 4.978 2.669 0.000
y 2.669 -1.351 0.000
z 0.000 0.000 -3.627
Polar
3z2-r2-7.254
x2-y24.220
xy2.669
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 128.395
(<r2>)1/2 11.331