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All results from a given calculation for BrNO (Nitrosyl bromide)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-38.323609
Energy at 298.15K-38.327183
HF Energy-38.323609
Nuclear repulsion energy30.543649
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 HF/CEP-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 A' 1846 1664 1088.37      
2 A' 614 553 155.98      
3 A' 322 290 70.72      

Unscaled Zero Point Vibrational Energy (zpe) 1390.7 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 1253.6 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 HF/CEP-31G
ABC
2.77199 0.13059 0.12471

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.489 -1.291 0.000
Br2 0.000 0.719 0.000
O3 -0.428 -2.017 0.000

Atom - Atom Distances (Å)
  N1 Br2 O3
N12.06901.1700
Br22.06902.7700
O31.17002.7700

picture of Nitrosyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 N1 O3 114.696
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.054      
2 Br 0.023      
3 O 0.031      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.135 -0.681 0.000 0.695
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.381 -0.936 0.000
y -0.936 -26.107 0.000
z 0.000 0.000 -25.277
Traceless
 xyz
x -1.688 -0.936 0.000
y -0.936 0.222 0.000
z 0.000 0.000 1.467
Polar
3z2-r22.933
x2-y2-1.273
xy-0.936
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.836 -0.210 0.000
y -0.210 8.978 0.000
z 0.000 0.000 1.018


<r2> (average value of r2) Å2
<r2> 55.069
(<r2>)1/2 7.421