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: TPSSh/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/3-21G
 hartrees
Energy at 0K-2840.334496
Energy at 298.15K-2840.339599
HF Energy-2840.334496
Nuclear repulsion energy321.794422
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 TPSSh/3-21G
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' 1440 1395 107.01      
2 A' 1097 1062 250.06      
3 A' 770 746 103.56      
4 A' 702 680 11.44      
5 A' 564 547 3.83      
6 A' 358 347 0.10      
7 A' 190 184 0.00      
8 A" 614 595 9.45      
9 A" 132 128 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 2933.6 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 2842.0 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 TPSSh/3-21G
ABC
0.36556 0.05510 0.04788

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 -1.199 -0.492 0.000
O2 0.000 0.960 0.000
N3 1.491 0.490 0.000
O4 2.228 1.506 0.000
O5 1.711 -0.742 0.000

Atom - Atom Distances (Å)
  Br1 O2 N3 O4 O5
Br11.88322.86373.96622.9205
O21.88321.56392.29342.4134
N32.86371.56391.25451.2510
O43.96622.29341.25452.3059
O52.92052.41341.25102.3059

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 112.027 O2 N3 O4 108.428
O2 N3 O5 117.620 O4 N3 O5 133.952
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Br 0.263      
2 O -0.309      
3 N 0.505      
4 O -0.220      
5 O -0.239      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.112 -0.945 0.000 1.459
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.318 2.169 0.000
y 2.169 5.009 0.000
z 0.000 0.000 1.107


<r2> (average value of r2) Å2
<r2> 193.498
(<r2>)1/2 13.910