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All results from a given calculation for BrNO (Nitrosyl bromide)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-2701.339679
Energy at 298.15K-2701.343180
HF Energy-2701.339679
Nuclear repulsion energy136.369753
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 B3PW91/6-31G
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' 1776 1701 656.25      
2 A' 560 537 74.54      
3 A' 288 276 29.26      

Unscaled Zero Point Vibrational Energy (zpe) 1312.0 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 1256.5 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 B3PW91/6-31G
ABC
2.74741 0.11978 0.11477

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.491 -1.372 0.000
Br2 0.000 0.752 0.000
O3 -0.429 -2.091 0.000

Atom - Atom Distances (Å)
  N1 Br2 O3
N12.18011.1677
Br22.18012.8758
O31.16772.8758

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 115.025
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.147      
2 Br -0.061      
3 O -0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.057 -1.517 0.000 1.518
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.989 -0.770 0.000
y -0.770 -27.318 0.000
z 0.000 0.000 -28.170
Traceless
 xyz
x -2.245 -0.770 0.000
y -0.770 1.761 0.000
z 0.000 0.000 0.484
Polar
3z2-r20.968
x2-y2-2.671
xy-0.770
xz0.000
yz0.000


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