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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-7752.698827
Energy at 298.15K-7752.708595
Nuclear repulsion energy809.119893
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 HSEh1PBE/6-31G*
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 3242 3083 2.81      
2 A1 546 519 0.89      
3 A1 228 217 0.00      
4 E 1175 1118 35.88      
4 E 1175 1118 35.89      
5 E 663 631 109.57      
5 E 663 631 109.53      
6 E 160 152 0.00      
6 E 160 152 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4006.1 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 3809.8 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 HSEh1PBE/6-31G*
ABC
0.04147 0.04147 0.02108

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.537
H2 0.000 0.000 1.621
Br3 0.000 1.838 -0.046
Br4 1.592 -0.919 -0.046
Br5 -1.592 -0.919 -0.046

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.08421.92811.92811.9281
H21.08422.48132.48132.4813
Br31.92812.48133.18343.1834
Br41.92812.48133.18343.1834
Br51.92812.48133.18343.1834

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.590 H2 C1 Br4 107.590
H2 C1 Br5 107.590 Br3 C1 Br4 111.285
Br3 C1 Br5 111.285 Br4 C1 Br5 111.285
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.254      
2 H 0.289      
3 Br -0.012      
4 Br -0.012      
5 Br -0.012      


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 0.955 0.955
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.667 0.000 0.000
y 0.000 -59.667 0.000
z 0.000 0.000 -58.645
Traceless
 xyz
x -0.511 0.000 0.000
y 0.000 -0.511 0.000
z 0.000 0.000 1.023
Polar
3z2-r22.046
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 10.259 0.000 0.000
y 0.000 10.258 -0.000
z 0.000 -0.000 6.069


<r2> (average value of r2) Å2
<r2> 396.328
(<r2>)1/2 19.908