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All results from a given calculation for CH2BrCl (Methane, bromochloro-)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-66.625943
Energy at 298.15K-66.631231
HF Energy-66.625943
Nuclear repulsion energy43.746476
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 HF/LANL2DZ
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' 3376 3038 16.61      
2 A' 1585 1426 1.30      
3 A' 1394 1254 87.76      
4 A' 725 652 129.85      
5 A' 611 550 27.64      
6 A' 234 211 0.62      
7 A" 3485 3136 1.89      
8 A" 1264 1138 0.78      
9 A" 930 837 3.84      

Unscaled Zero Point Vibrational Energy (zpe) 6801.2 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 6120.4 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 HF/LANL2DZ
ABC
0.94049 0.06645 0.06280

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.051 0.000
Br2 0.872 -0.731 0.000
Cl3 -1.830 0.951 0.000
H4 0.298 1.563 0.891
H5 0.298 1.563 -0.891

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.98461.83231.06961.0696
Br21.98463.18242.52752.5275
Cl31.83233.18242.38602.3860
H41.06962.52752.38601.7818
H51.06962.52752.38601.7818

picture of Methane, bromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.911 Br2 C1 H4 107.911
Br2 C1 H5 107.911 Cl3 C1 H4 107.698
Cl3 C1 H5 107.698 H4 C1 H5 112.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.535      
2 Br 0.024      
3 Cl -0.072      
4 H 0.291      
5 H 0.291      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.566 1.877 0.000 2.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.126 2.317 0.000
y 2.317 -31.600 0.000
z 0.000 0.000 -33.571
Traceless
 xyz
x -5.541 2.317 0.000
y 2.317 4.249 0.000
z 0.000 0.000 1.292
Polar
3z2-r22.583
x2-y2-6.527
xy2.317
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.625 -1.985 0.000
y -1.985 4.817 0.000
z 0.000 0.000 1.768


<r2> (average value of r2) Å2
<r2> 73.617
(<r2>)1/2 8.580