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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-7765.246835
Energy at 298.15K-7765.256432
HF Energy-7765.246835
Nuclear repulsion energy796.446482
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 B97D3/aug-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 3142 3094 4.76      
2 A1 512 505 0.41      
3 A1 213 209 0.00      
4 E 1128 1111 33.39      
4 E 1128 1111 33.44      
5 E 577 568 132.37      
5 E 577 568 132.23      
6 E 146 143 0.13      
6 E 146 143 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 3784.1 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 3726.2 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 B97D3/aug-cc-pVTZ
ABC
0.04013 0.04013 0.02037

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.522
H2 0.000 0.000 1.605
Br3 0.000 1.870 -0.045
Br4 1.619 -0.935 -0.045
Br5 -1.619 -0.935 -0.045

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.08341.95351.95351.9535
H21.08342.49362.49362.4936
Br31.95352.49363.23813.2381
Br41.95352.49363.23813.2381
Br51.95352.49363.23813.2381

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.864 H2 C1 Br4 106.864
H2 C1 Br5 106.864 Br3 C1 Br4 111.948
Br3 C1 Br5 111.948 Br4 C1 Br5 111.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.486      
2 H 0.232      
3 Br 0.085      
4 Br 0.085      
5 Br 0.085      


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 0.857 0.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.436 0.000 0.000
y 0.000 -60.436 0.000
z 0.000 0.000 -59.316
Traceless
 xyz
x -0.560 0.000 0.000
y 0.000 -0.560 0.000
z 0.000 0.000 1.119
Polar
3z2-r22.239
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 13.947 0.000 0.000
y 0.000 13.946 0.000
z 0.000 0.000 9.237


<r2> (average value of r2) Å2
<r2> 408.920
(<r2>)1/2 20.222