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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-7761.058990
Energy at 298.15K-7761.068686
HF Energy-7761.058990
Nuclear repulsion energy803.151869
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 TPSSh/cc-pVTZ
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 3188 3087 4.22      
2 A1 531 515 0.69      
3 A1 219 212 0.01      
4 E 1156 1119 34.71      
4 E 1156 1119 34.63      
5 E 634 614 121.05      
5 E 634 614 120.92      
6 E 147 142 0.01      
6 E 147 142 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 3906.3 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 3782.4 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 TPSSh/cc-pVTZ
ABC
0.04082 0.04082 0.02073

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.518
H2 0.000 0.000 1.598
Br3 0.000 1.859 -0.045
Br4 1.610 -0.929 -0.045
Br5 -1.610 -0.929 -0.045

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.08041.94201.94201.9420
H21.08042.48092.48092.4809
Br31.94202.48093.21943.2194
Br41.94202.48093.21943.2194
Br51.94202.48093.21943.2194

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.845 H2 C1 Br4 106.845
H2 C1 Br5 106.845 Br3 C1 Br4 111.965
Br3 C1 Br5 111.965 Br4 C1 Br5 111.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.115      
2 H 0.152      
3 Br -0.013      
4 Br -0.013      
5 Br -0.013      


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 0.937 0.937
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.709 0.000 0.000
y 0.000 11.709 0.000
z 0.000 0.000 6.841


<r2> (average value of r2) Å2
<r2> 402.590
(<r2>)1/2 20.065