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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-2674.546428
Energy at 298.15K-2674.550030
HF Energy-2674.546428
Nuclear repulsion energy141.618146
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 B1B95/STO-3G
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' 1757 1552 126.95      
2 A' 686 606 56.46      
3 A' 383 338 11.31      

Unscaled Zero Point Vibrational Energy (zpe) 1413.1 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 1247.8 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 B1B95/STO-3G
ABC
2.47349 0.13348 0.12665

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.519 -1.243 0.000
Br2 0.000 0.709 0.000
O3 -0.454 -2.017 0.000

Atom - Atom Distances (Å)
  N1 Br2 O3
N12.02011.2439
Br22.02012.7637
O31.24392.7637

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 113.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.037      
2 Br -0.026      
3 O -0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.255 -0.683 0.000 0.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.842 -0.108 0.000
y -0.108 -25.422 0.000
z 0.000 0.000 -24.872
Traceless
 xyz
x -1.695 -0.108 0.000
y -0.108 0.435 0.000
z 0.000 0.000 1.260
Polar
3z2-r22.520
x2-y2-1.420
xy-0.108
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.755 0.060 0.000
y 0.060 4.592 0.000
z 0.000 0.000 0.500


<r2> (average value of r2) Å2
<r2> 80.559
(<r2>)1/2 8.975