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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: B3LYP/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 B3LYP/6-311G*
 hartrees
Energy at 0K-7761.137772
Energy at 298.15K-7761.147461
Nuclear repulsion energy796.464879
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 B3LYP/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 3209 3100 1.36      
2 A1 529 511 0.38      
3 A1 220 213 0.00      
4 E 1184 1145 41.60      
4 E 1184 1145 41.59      
5 E 623 602 130.99      
5 E 623 602 130.97      
6 E 151 146 0.03      
6 E 151 146 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 3936.5 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 3803.9 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 B3LYP/6-311G*
ABC
0.04013 0.04013 0.02037

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

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 1.599
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
C11.08041.95271.95271.9527
H21.08042.48942.48942.4894
Br31.95272.48943.23863.2386
Br41.95272.48943.23863.2386
Br51.95272.48943.23863.2386

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.757 H2 C1 Br4 106.757
H2 C1 Br5 106.757 Br3 C1 Br4 112.044
Br3 C1 Br5 112.044 Br4 C1 Br5 112.044
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.538      
2 H 0.330      
3 Br 0.069      
4 Br 0.069      
5 Br 0.069      


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 1.001 1.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.748 0.000 0.000
y 0.000 -60.748 0.000
z 0.000 0.000 -59.787
Traceless
 xyz
x -0.481 0.000 0.000
y 0.000 -0.481 0.000
z 0.000 0.000 0.961
Polar
3z2-r21.923
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 10.458 0.000 0.000
y 0.000 10.458 -0.000
z 0.000 -0.000 5.374


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