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All results from a given calculation for CHClBr2 (Methane, dibromochloro-)

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-46.954170
Energy at 298.15K-46.961351
HF Energy-46.954170
Nuclear repulsion energy54.114589
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/CEP-121G
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' 3374 3079 0.55      
2 A' 1332 1215 48.40      
3 A' 773 705 135.05      
4 A' 583 532 6.46      
5 A' 290 264 0.26      
6 A' 177 161 0.04      
7 A" 1294 1181 74.54      
8 A" 721 658 126.21      
9 A" 209 191 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 4376.1 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 3993.2 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 HF/CEP-121G
ABC
0.07871 0.03943 0.02678

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.240 0.593 0.000
H2 -1.150 1.161 0.000
Cl3 1.141 1.793 0.000
Br4 -0.240 -0.503 1.634
Br5 -0.240 -0.503 -1.634

Atom - Atom Distances (Å)
  C1 H2 Cl3 Br4 Br5
C11.07231.82961.96741.9674
H21.07232.37642.50302.5030
Cl31.82962.37643.13813.1381
Br41.96742.50303.13813.2678
Br51.96742.50303.13813.2678

picture of Methane, dibromochloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Cl3 107.040 H2 C1 Br4 107.156
H2 C1 Br5 107.156 Cl3 C1 Br4 111.427
Cl3 C1 Br5 111.427 Br4 C1 Br5 112.301
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.733      
2 H 0.282      
3 Cl 0.051      
4 Br 0.200      
5 Br 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.565 0.224 0.000 1.580
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.774 -2.441 0.000
y -2.441 -49.262 0.000
z 0.000 0.000 -48.869
Traceless
 xyz
x 0.291 -2.441 0.000
y -2.441 -0.441 0.000
z 0.000 0.000 0.149
Polar
3z2-r20.299
x2-y20.488
xy-2.441
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.164 1.851 0.000
y 1.851 6.553 0.000
z 0.000 0.000 9.081


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000