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: B2PLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G(2df,p)
 hartrees
Energy at 0K-2851.480358
Energy at 298.15K-2851.485663
HF Energy-2851.130017
Nuclear repulsion energy334.891549
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 B2PLYP/6-31G(2df,p)
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' 1801 1720 253.47      
2 A' 1316 1257 245.98      
3 A' 800 764 169.01      
4 A' 767 732 22.03      
5 A' 546 521 102.15      
6 A' 403 385 6.76      
7 A' 221 211 0.02      
8 A" 735 701 9.37      
9 A" 132 126 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 3360.3 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 3209.1 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 B2PLYP/6-31G(2df,p)
ABC
0.40277 0.05918 0.05160

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 -1.153 -0.488 0.000
O2 0.000 0.908 0.000
N3 1.432 0.493 0.000
O4 2.120 1.473 0.000
O5 1.671 -0.679 0.000

Atom - Atom Distances (Å)
  Br1 O2 N3 O4 O5
Br11.81002.76493.81522.8306
O21.81001.49102.19412.3042
N32.76491.49101.19701.1958
O43.81522.19411.19702.1976
O52.83062.30421.19582.1976

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 113.423 O2 N3 O4 108.935
O2 N3 O5 117.674 O4 N3 O5 133.391
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.295      
2 O -0.453      
3 N 0.781      
4 O -0.318      
5 O -0.304      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.946 -0.745 0.000 1.204
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.126 1.002 0.000
y 1.002 -40.252 0.000
z 0.000 0.000 -38.018
Traceless
 xyz
x 0.009 1.002 0.000
y 1.002 -1.681 0.000
z 0.000 0.000 1.671
Polar
3z2-r23.343
x2-y21.127
xy1.002
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.392 1.645 0.000
y 1.645 6.364 0.000
z 0.000 0.000 3.812


<r2> (average value of r2) Å2
<r2> 181.277
(<r2>)1/2 13.464