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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-7761.395842
Energy at 298.15K-7761.405549
HF Energy-7761.395842
Nuclear repulsion energy799.554172
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 B3LYPultrafine/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 3194 3090 6.87      
2 A1 531 514 0.41      
3 A1 220 213 0.00      
4 E 1164 1126 33.40      
4 E 1164 1126 33.41      
5 E 632 612 109.37      
5 E 632 612 109.36      
6 E 150 145 0.02      
6 E 150 145 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 3918.8 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 3791.4 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.04045 0.04045 0.02053

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.514
H2 0.000 0.000 1.592
Br3 0.000 1.871 -0.045
Br4 1.620 -0.935 -0.045
Br5 -1.620 -0.935 -0.045

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.07861.95221.95221.9522
H21.07862.48572.48572.4857
Br31.95222.48573.24003.2400
Br41.95222.48573.24003.2400
Br51.95222.48573.24003.2400

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.618 H2 C1 Br4 106.618
H2 C1 Br5 106.618 Br3 C1 Br4 112.167
Br3 C1 Br5 112.167 Br4 C1 Br5 112.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.477      
2 H 0.232      
3 Br 0.082      
4 Br 0.082      
5 Br 0.082      


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 0.865 0.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.997 0.000 0.000
y 0.000 -60.997 0.000
z 0.000 0.000 -59.850
Traceless
 xyz
x -0.573 0.000 0.000
y 0.000 -0.573 0.000
z 0.000 0.000 1.147
Polar
3z2-r22.293
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 13.551 0.000 0.000
y 0.000 13.551 -0.000
z 0.000 -0.000 9.073


<r2> (average value of r2) Å2
<r2> 406.361
(<r2>)1/2 20.158