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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-2701.524569
Energy at 298.15K-2701.528082
HF Energy-2701.524569
Nuclear repulsion energy137.054308
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' 1799 1703 687.24      
2 A' 568 537 80.86      
3 A' 293 278 32.59      

Unscaled Zero Point Vibrational Energy (zpe) 1329.7 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 1258.7 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
2.75507 0.12113 0.11603

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 0.490 -1.364 0.000
Br2 0.000 0.748 0.000
O3 -0.429 -2.079 0.000

Atom - Atom Distances (Å)
  N1 Br2 O3
N12.16871.1639
Br22.16872.8598
O31.16392.8598

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 114.838
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 0.149      
2 Br -0.059      
3 O -0.090      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.069 -1.532 0.000 1.534
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.010 -0.782 0.000
y -0.782 -27.374 0.000
z 0.000 0.000 -28.201
Traceless
 xyz
x -2.222 -0.782 0.000
y -0.782 1.731 0.000
z 0.000 0.000 0.491
Polar
3z2-r20.982
x2-y2-2.636
xy-0.782
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.834 -0.086 0.000
y -0.086 8.155 0.000
z 0.000 0.000 1.185


<r2> (average value of r2) Å2
<r2> 88.180
(<r2>)1/2 9.390