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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-2701.717077
Energy at 298.15K-2701.720616
HF Energy-2701.717077
Nuclear repulsion energy140.250734
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 mPW1PW91/6-31G*
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' 1962 1861 740.83      
2 A' 597 566 86.41      
3 A' 301 286 45.23      

Unscaled Zero Point Vibrational Energy (zpe) 1430.4 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 1356.4 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 mPW1PW91/6-31G*
ABC
2.85722 0.12704 0.12164

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.481 -1.333 0.000
Br2 0.000 0.731 0.000
O3 -0.421 -2.030 0.000

Atom - Atom Distances (Å)
  N1 Br2 O3
N12.11911.1396
Br22.11912.7922
O31.13962.7922

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 114.561
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.180      
2 Br -0.137      
3 O -0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.022 -1.754 0.000 1.754
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.279 -0.421 0.000
y -0.421 -25.909 0.000
z 0.000 0.000 -27.989
Traceless
 xyz
x -2.331 -0.421 0.000
y -0.421 2.725 0.000
z 0.000 0.000 -0.394
Polar
3z2-r2-0.789
x2-y2-3.371
xy-0.421
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.003 -0.028 0.000
y -0.028 8.124 0.000
z 0.000 0.000 2.524


<r2> (average value of r2) Å2
<r2> 84.436
(<r2>)1/2 9.189