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

using model chemistry: ROHF/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 ROHF/3-21G
 hartrees
Energy at 0K-2796.073585
Energy at 298.15K-2796.078581
HF Energy-2796.073585
Nuclear repulsion energy254.133386
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/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' 3405 3088 22.87      
2 A' 1428 1295 162.86      
3 A' 1199 1087 281.89      
4 A' 730 663 138.18      
5 A' 580 526 16.38      
6 A' 319 289 0.27      
7 A" 1530 1388 42.04      
8 A" 1306 1184 155.55      
9 A" 317 288 2.65      

Unscaled Zero Point Vibrational Energy (zpe) 5406.8 cm-1
Scaled (by 0.907) Zero Point Vibrational Energy (zpe) 4904.0 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/3-21G
ABC
0.33108 0.09272 0.07558

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.434 -0.941 0.000
H2 -1.500 -0.992 0.000
Br3 0.077 0.980 0.000
F4 0.077 -1.536 1.101
F5 0.077 -1.536 -1.101

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.06711.98711.35221.3522
H21.06712.52471.99911.9991
Br31.98712.52472.74602.7460
F41.35221.99912.74602.2025
F51.35221.99912.74602.2025

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 107.658 H2 C1 F4 110.891
H2 C1 F5 110.891 Br3 C1 F4 109.153
Br3 C1 F5 109.153 F4 C1 F5 109.055
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.384      
2 H 0.272      
3 Br 0.080      
4 F -0.368      
5 F -0.368      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.973 0.191 0.000 1.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.651 2.407 0.000
y 2.407 -35.304 0.000
z 0.000 0.000 -36.776
Traceless
 xyz
x 4.389 2.407 0.000
y 2.407 -1.091 0.000
z 0.000 0.000 -3.298
Polar
3z2-r2-6.597
x2-y23.653
xy2.407
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> 129.461
(<r2>)1/2 11.378