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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-7761.128121
Energy at 298.15K-7761.137655
Nuclear repulsion energy785.462532
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 3127 3119 1.08      
2 A1 503 502 0.29      
3 A1 207 207 0.00      
4 E 1135 1132 41.01      
4 E 1135 1132 41.00      
5 E 559 557 156.18      
5 E 559 557 156.17      
6 E 142 142 0.19      
6 E 142 142 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 3754.2 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 3744.8 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 BLYP/6-311G*
ABC
0.03901 0.03901 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 1.609
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
C11.08701.97951.97951.9795
H21.08702.51672.51672.5167
Br31.97952.51673.28473.2847
Br41.97952.51673.28473.2847
Br51.97952.51673.28473.2847

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.657 H2 C1 Br4 106.657
H2 C1 Br5 106.657 Br3 C1 Br4 112.133
Br3 C1 Br5 112.133 Br4 C1 Br5 112.133
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 -0.522      
2 H 0.319      
3 Br 0.068      
4 Br 0.068      
5 Br 0.068      


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 0.980 0.980
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.835 0.000 0.000
y 0.000 -60.835 0.000
z 0.000 0.000 -59.986
Traceless
 xyz
x -0.425 0.000 0.000
y 0.000 -0.425 0.000
z 0.000 0.000 0.849
Polar
3z2-r21.698
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 11.096 0.000 0.000
y 0.000 11.096 -0.000
z 0.000 -0.000 5.482


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