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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-7753.864549
Energy at 298.15K-7753.874357
HF Energy-7753.864549
Nuclear repulsion energy 
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 wB97X-D/6-31G*
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 3251 3084 2.68      
2 A1 550 522 0.99      
3 A1 231 219 0.01      
4 E 1185 1124 36.16      
4 E 1184 1123 35.85      
5 E 688 653 95.42      
5 E 688 653 95.67      
6 E 163 154 0.00      
6 E 163 154 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4051.1 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 3842.5 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 wB97X-D/6-31G*
ABC
0.04146 0.04146 0.02107

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.537
H2 0.000 0.000 1.621
Br3 0.000 1.840 -0.046
Br4 1.593 -0.920 -0.046
Br5 -1.593 -0.920 -0.046

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.08431.92971.92971.9297
H21.08432.48262.48262.4826
Br31.92972.48263.18613.1861
Br41.92972.48263.18613.1861
Br51.92972.48263.18613.1861

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.584 H2 C1 Br4 107.584
H2 C1 Br5 107.584 Br3 C1 Br4 111.291
Br3 C1 Br5 111.291 Br4 C1 Br5 111.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.223      
2 H 0.283      
3 Br -0.020      
4 Br -0.020      
5 Br -0.020      


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 -59.678 0.000 0.000
y 0.000 -59.678 0.000
z 0.000 0.000 -58.599
Traceless
 xyz
x -0.539 0.000 0.000
y 0.000 -0.539 0.000
z 0.000 0.000 1.079
Polar
3z2-r22.158
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 10.153 0.000 0.000
y 0.000 10.154 -0.001
z 0.000 -0.001 6.068


<r2> (average value of r2) Å2
<r2> 396.437
(<r2>)1/2 19.911