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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-7761.096524
Energy at 298.15K-7761.106267
Nuclear repulsion energy802.754458
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 B3PW91/cc-pVDZ
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 3082 3.54      
2 A1 538 519 0.68      
3 A1 225 217 0.00      
4 E 1150 1110 33.31      
4 E 1150 1110 33.32      
5 E 652 630 123.20      
5 E 652 630 123.18      
6 E 153 148 0.01      
6 E 153 148 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 3934.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 3796.4 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 B3PW91/cc-pVDZ
ABC
0.04079 0.04079 0.02071

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.520
H2 0.000 0.000 1.614
Br3 0.000 1.854 -0.045
Br4 1.606 -0.927 -0.045
Br5 -1.606 -0.927 -0.045

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.09321.93851.93851.9385
H21.09322.48792.48792.4879
Br31.93852.48793.21163.2116
Br41.93852.48793.21163.2116
Br51.93852.48793.21163.2116

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 106.964 H2 C1 Br4 106.964
H2 C1 Br5 106.964 Br3 C1 Br4 111.858
Br3 C1 Br5 111.858 Br4 C1 Br5 111.858
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.296      
2 H 0.176      
3 Br 0.040      
4 Br 0.040      
5 Br 0.040      


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 0.933 0.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.636 0.000 0.000
y 0.000 -59.636 0.000
z 0.000 0.000 -58.854
Traceless
 xyz
x -0.391 0.000 0.000
y 0.000 -0.391 0.000
z 0.000 0.000 0.782
Polar
3z2-r21.565
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 9.882 0.000 0.000
y 0.000 9.882 0.000
z 0.000 0.000 5.212


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