return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-2704.201489
Energy at 298.15K-2704.205010
HF Energy-2704.201489
Nuclear repulsion energy140.098422
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 mPW1PW91/aug-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 A' 1952 1870 807.18      
2 A' 581 556 84.18      
3 A' 287 275 53.12      

Unscaled Zero Point Vibrational Energy (zpe) 1409.7 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 1350.9 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 mPW1PW91/aug-cc-pVDZ
ABC
2.89521 0.12641 0.12112

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.478 -1.339 0.000
Br2 0.000 0.733 0.000
O3 -0.418 -2.034 0.000

Atom - Atom Distances (Å)
  N1 Br2 O3
N12.12551.1338
Br22.12552.7975
O31.13382.7975

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 114.815
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.193      
2 Br 0.005      
3 O -0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.030 -1.931 0.000 1.931
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.809 -0.410 0.000
y -0.410 -26.287 0.000
z 0.000 0.000 -28.570
Traceless
 xyz
x -2.380 -0.410 0.000
y -0.410 2.902 0.000
z 0.000 0.000 -0.522
Polar
3z2-r2-1.045
x2-y2-3.522
xy-0.410
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.405 -0.077 0.000
y -0.077 9.565 0.000
z 0.000 0.000 3.997


<r2> (average value of r2) Å2
<r2> 85.030
(<r2>)1/2 9.221