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All results from a given calculation for BrONO2 (Bromine nitrate)

using model chemistry: MP2/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 MP2/STO-3G
 hartrees
Energy at 0K-2820.008103
Energy at 298.15K-2820.012973
HF Energy-2819.709576
Nuclear repulsion energy321.441942
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 MP2/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' 2096 1828 81.87      
2 A' 1244 1085 165.22      
3 A' 853 744 82.39      
4 A' 775 676 100.11      
5 A' 560 488 1.40      
6 A' 368 321 2.81      
7 A' 224 196 0.14      
8 A" 530 462 1.78      
9 A" 85 74        

Unscaled Zero Point Vibrational Energy (zpe) 3367.4 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 2936.0 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 MP2/STO-3G
ABC
0.34725 0.05644 0.04855

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Br1 -1.190 -0.452 0.000
O2 0.000 1.006 0.000
N3 1.456 0.442 0.000
O4 2.311 1.432 0.000
O5 1.620 -0.849 0.000

Atom - Atom Distances (Å)
  Br1 O2 N3 O4 O5
Br11.88152.79273.97552.8375
O21.88151.56192.35022.4625
N32.79271.56191.30841.3007
O43.97552.35021.30842.3833
O52.83752.46251.30072.3833

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 108.036 O2 N3 O4 109.616
O2 N3 O5 118.408 O4 N3 O5 131.976
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability