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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-7753.915576
Energy at 298.15K-7753.925430
HF Energy-7753.915576
Nuclear repulsion energy811.826022
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/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 3234 3081 6.57      
2 A1 563 536 0.59      
3 A1 235 224 0.00      
4 E 1194 1137 38.33      
4 E 1194 1137 38.03      
5 E 692 659 96.29      
5 E 692 659 96.03      
6 E 164 156 0.00      
6 E 164 156 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 4065.3 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 3872.6 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/cc-pVDZ
ABC
0.04179 0.04179 0.02126

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.557
H2 0.000 0.000 1.642
Br3 0.000 1.826 -0.047
Br4 1.581 -0.913 -0.047
Br5 -1.581 -0.913 -0.047

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.08481.92331.92331.9233
H21.08482.48732.48732.4873
Br31.92332.48733.16253.1625
Br41.92332.48733.16253.1625
Br51.92332.48733.16253.1625

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 108.309 H2 C1 Br4 108.309
H2 C1 Br5 108.309 Br3 C1 Br4 110.608
Br3 C1 Br5 110.608 Br4 C1 Br5 110.608
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.267      
2 H 0.253      
3 Br 0.005      
4 Br 0.005      
5 Br 0.005      


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 0.967 0.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -60.755 0.000 0.000
y 0.000 -60.755 0.000
z 0.000 0.000 -59.528
Traceless
 xyz
x -0.613 0.000 0.000
y 0.000 -0.613 0.000
z 0.000 0.000 1.226
Polar
3z2-r22.453
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 11.385 0.000 0.000
y 0.000 11.388 -0.002
z 0.000 -0.002 7.450


<r2> (average value of r2) Å2
<r2> 394.165
(<r2>)1/2 19.854