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All results from a given calculation for CHBrCl2 (Methane, bromodichloro-)

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-3512.847126
Energy at 298.15K 
HF Energy-3512.847126
Nuclear repulsion energy384.107721
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' 3429 3110 3.01 78.18 0.28 0.43
2 A' 1303 1182 45.27 9.47 0.74 0.85
3 A' 771 700 109.01 20.21 0.65 0.79
4 A' 597 541 7.61 21.60 0.01 0.01
5 A' 323 293 0.50 14.32 0.27 0.43
6 A' 225 204 1.16 7.59 0.64 0.78
7 A" 1323 1200 27.56 9.17 0.75 0.86
8 A" 754 684 139.05 24.30 0.75 0.86
9 A" 219 199 0.20 7.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4472.5 cm-1
Scaled (by 0.907) Zero Point Vibrational Energy (zpe) 4056.6 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 ROHF/3-21G
ABC
0.10218 0.05750 0.03782

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 -0.676 -0.109 0.000
H2 -1.596 0.432 0.000
Br3 0.818 1.148 0.000
Cl4 -0.676 -1.176 1.507
Cl5 -0.676 -1.176 -1.507

Atom - Atom Distances (Å)
  C1 H2 Br3 Cl4 Cl5
C11.06761.95281.84591.8459
H21.06762.51822.38772.3877
Br31.95282.51823.14693.1469
Cl41.84592.38773.14693.0136
Cl51.84592.38773.14693.0136

picture of Methane, bromodichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 109.448 H2 C1 Cl4 107.025
H2 C1 Cl5 107.025 Br3 C1 Cl4 111.842
Br3 C1 Cl5 111.842 Cl4 C1 Cl5 109.431
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 -0.805      
2 H 0.376      
3 Br 0.234      
4 Cl 0.098      
5 Cl 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.764 1.651 0.000 1.819
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.327 -0.890 0.000
y -0.890 -51.562 0.000
z 0.000 0.000 -53.239
Traceless
 xyz
x 4.073 -0.890 0.000
y -0.890 -0.779 0.000
z 0.000 0.000 -3.294
Polar
3z2-r2-6.588
x2-y23.234
xy-0.890
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> 246.720
(<r2>)1/2 15.707