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 BrONO2 (Bromine nitrate)

using model chemistry: mPW1PW91/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 mPW1PW91/STO-3G
 hartrees
Energy at 0K-2822.622062
Energy at 298.15K-2822.626997
HF Energy-2822.622062
Nuclear repulsion energy323.198704
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/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' 1745 1533 28.55      
2 A' 1300 1142 123.39      
3 A' 880 773 50.36      
4 A' 820 721 27.42      
5 A' 562 494 4.26      
6 A' 374 329 0.24      
7 A' 206 181 0.20      
8 A" 542 477 3.41      
9 A" 113 100 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 3270.9 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 2874.8 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 mPW1PW91/STO-3G
ABC
0.35595 0.05667 0.04889

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 -1.184 -0.464 0.000
O2 0.000 0.985 0.000
N3 1.450 0.463 0.000
O4 2.276 1.456 0.000
O5 1.635 -0.815 0.000

Atom - Atom Distances (Å)
  Br1 O2 N3 O4 O5
Br11.87112.79243.95722.8404
O21.87111.54132.32462.4314
N32.79241.54131.29181.2909
O43.95722.32461.29182.3595
O52.84042.43141.29092.3595

picture of Bromine nitrate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br1 O2 N3 109.451 O2 N3 O4 109.964
O2 N3 O5 118.023 O4 N3 O5 132.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.104      
2 O -0.087      
3 N 0.159      
4 O -0.085      
5 O -0.091      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.725 -0.191 0.000 0.750
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.529 0.012 0.000
y 0.012 -36.738 0.000
z 0.000 0.000 -34.160
Traceless
 xyz
x -1.080 0.012 0.000
y 0.012 -1.394 0.000
z 0.000 0.000 2.474
Polar
3z2-r24.948
x2-y20.209
xy0.012
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.150 1.652 0.000
y 1.652 3.450 0.000
z 0.000 0.000 0.453


<r2> (average value of r2) Å2
<r2> 188.043
(<r2>)1/2 13.713