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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-7759.970270
Energy at 298.15K-7759.979906
HF Energy-7759.970270
Nuclear repulsion energy800.322957
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 PBEPBE/Def2TZVPP
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 3117 3079 4.59      
2 A1 522 516 0.33      
3 A1 216 214 0.00      
4 E 1114 1100 28.57      
4 E 1114 1100 28.57      
5 E 610 603 124.58      
5 E 610 603 124.57      
6 E 146 144 0.04      
6 E 146 144 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 3797.2 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 3751.3 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 PBEPBE/Def2TZVPP
ABC
0.04053 0.04053 0.02058

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.516
H2 0.000 0.000 1.604
Br3 0.000 1.867 -0.045
Br4 1.617 -0.934 -0.045
Br5 -1.617 -0.934 -0.045

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.08871.94931.94931.9493
H21.08872.49102.49102.4910
Br31.94932.49103.23393.2339
Br41.94932.49103.23393.2339
Br51.94932.49103.23393.2339

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.705 H2 C1 Br4 106.705
H2 C1 Br5 106.705 Br3 C1 Br4 112.090
Br3 C1 Br5 112.090 Br4 C1 Br5 112.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.118      
2 H 0.200      
3 Br -0.027      
4 Br -0.027      
5 Br -0.027      


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 0.860 0.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.500 0.000 0.000
y 0.000 -60.500 0.000
z 0.000 0.000 -59.492
Traceless
 xyz
x -0.504 0.000 0.000
y 0.000 -0.504 0.000
z 0.000 0.000 1.008
Polar
3z2-r22.015
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 12.582 0.000 0.000
y 0.000 12.581 -0.000
z 0.000 -0.000 7.675


<r2> (average value of r2) Å2
<r2> 405.294
(<r2>)1/2 20.132