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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: BLYP/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 BLYP/6-311G**
 hartrees
Energy at 0K-7761.129605
Energy at 298.15K-7761.139144
Nuclear repulsion energy785.563425
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 BLYP/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 3126 3114 1.74      
2 A1 502 500 0.36      
3 A1 207 206 0.00      
4 E 1119 1115 40.23      
4 E 1119 1115 40.21      
5 E 559 557 155.38      
5 E 559 557 155.37      
6 E 142 142 0.20      
6 E 142 142 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 3737.6 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 3723.0 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 BLYP/6-311G**
ABC
0.03902 0.03902 0.01980

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

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 1.608
Br3 0.000 1.896 -0.045
Br4 1.642 -0.948 -0.045
Br5 -1.642 -0.948 -0.045

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.08681.97911.97911.9791
H21.08682.51582.51582.5158
Br31.97912.51583.28443.2844
Br41.97912.51583.28443.2844
Br51.97912.51583.28443.2844

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.637 H2 C1 Br4 106.637
H2 C1 Br5 106.637 Br3 C1 Br4 112.151
Br3 C1 Br5 112.151 Br4 C1 Br5 112.151
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.412      
2 H 0.241      
3 Br 0.057      
4 Br 0.057      
5 Br 0.057      


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 0.968 0.968
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.819 0.000 0.000
y 0.000 -60.819 0.000
z 0.000 0.000 -60.003
Traceless
 xyz
x -0.408 0.000 0.000
y 0.000 -0.408 0.000
z 0.000 0.000 0.816
Polar
3z2-r21.632
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 11.106 0.000 0.000
y 0.000 11.106 -0.000
z 0.000 -0.000 5.495


<r2> (average value of r2) Å2
<r2> 419.809
(<r2>)1/2 20.489