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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-3058.205111
Energy at 298.15K-3058.210249
HF Energy-3058.205111
Nuclear repulsion energy210.738053
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 PBEPBEultrafine/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' 3095 3067 2.60      
2 A' 1431 1418 0.71      
3 A' 1223 1212 40.85      
4 A' 631 625 152.65      
5 A' 586 581 8.69      
6 A' 208 206 0.53      
7 A" 3192 3163 0.00      
8 A" 1115 1105 0.04      
9 A" 815 808 6.95      

Unscaled Zero Point Vibrational Energy (zpe) 6147.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 6091.6 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 PBEPBEultrafine/3-21G
ABC
0.91292 0.06511 0.06152

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.046 0.000
Br2 0.899 -0.711 0.000
Cl3 -1.883 0.909 0.000
H4 0.268 1.580 0.916
H5 0.268 1.580 -0.916

Atom - Atom Distances (Å)
  C1 Br2 Cl3 H4 H5
C11.97411.88761.09341.0934
Br21.97413.21912.54682.5468
Cl31.88763.21912.43232.4323
H41.09342.54682.43231.8314
H51.09342.54682.43231.8314

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 112.918 Br2 C1 H4 108.833
Br2 C1 H5 108.833 Cl3 C1 H4 106.284
Cl3 C1 H5 106.284 H4 C1 H5 113.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.796      
2 Br 0.144      
3 Cl 0.022      
4 H 0.315      
5 H 0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.582 1.219 0.000 1.997
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.407 1.526 0.000
y 1.526 -35.056 0.000
z 0.000 0.000 -37.100
Traceless
 xyz
x -4.329 1.526 0.000
y 1.526 3.698 0.000
z 0.000 0.000 0.631
Polar
3z2-r21.262
x2-y2-5.351
xy1.526
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.359 -1.883 0.000
y -1.883 4.778 0.000
z 0.000 0.000 2.297


<r2> (average value of r2) Å2
<r2> 157.106
(<r2>)1/2 12.534