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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-2690.892690
Energy at 298.15K-2690.896216
HF Energy-2690.892690
Nuclear repulsion energy137.924381
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 B3PW91/3-21G
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' 1551 1490 507.41      
2 A' 578 555 78.37      
3 A' 301 289 29.71      

Unscaled Zero Point Vibrational Energy (zpe) 1214.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 1167.2 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 B3PW91/3-21G
ABC
2.71045 0.12346 0.11808

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.494 -1.335 0.000
Br2 0.000 0.740 0.000
O3 -0.433 -2.070 0.000

Atom - Atom Distances (Å)
  N1 Br2 O3
N12.13291.1837
Br22.13292.8437
O31.18372.8437

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 115.033
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.225      
2 Br -0.056      
3 O -0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.076 -1.188 0.000 1.191
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.530 -0.725 0.000
y -0.725 -27.284 0.000
z 0.000 0.000 -27.719
Traceless
 xyz
x -2.028 -0.725 0.000
y -0.725 1.340 0.000
z 0.000 0.000 0.688
Polar
3z2-r21.376
x2-y2-2.246
xy-0.725
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.560 -0.033 0.000
y -0.033 7.302 0.000
z 0.000 0.000 1.018


<r2> (average value of r2) Å2
<r2> 86.746
(<r2>)1/2 9.314