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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-7755.538276
Energy at 298.15K-7755.548218
Nuclear repulsion energy807.083946
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3395 3070 0.80      
2 A1 577 522 1.21      
3 A1 242 219 0.01      
4 E 1315 1189 52.63      
4 E 1315 1189 52.63      
5 E 744 673 97.95      
5 E 744 673 97.95      
6 E 168 152 0.02      
6 E 168 152 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4333.9 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 3919.6 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 HF/6-311G*
ABC
0.04121 0.04121 0.02092

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.515
H2 0.000 0.000 1.584
Br3 0.000 1.845 -0.045
Br4 1.598 -0.922 -0.045
Br5 -1.598 -0.922 -0.045

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.06941.92781.92781.9278
H21.06942.46102.46102.4610
Br31.92782.46103.19543.1954
Br41.92782.46103.19543.1954
Br51.92782.46103.19543.1954

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.868 H2 C1 Br4 106.868
H2 C1 Br5 106.868 Br3 C1 Br4 111.944
Br3 C1 Br5 111.944 Br4 C1 Br5 111.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.500      
2 H 0.338      
3 Br 0.054      
4 Br 0.054      
5 Br 0.054      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.096 1.096
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.470 0.000 0.000
y 0.000 -61.470 0.000
z 0.000 0.000 -60.098
Traceless
 xyz
x -0.686 0.000 0.000
y 0.000 -0.686 0.000
z 0.000 0.000 1.372
Polar
3z2-r22.744
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.675 0.000 0.000
y 0.000 9.675 0.000
z 0.000 0.000 5.184


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