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All results from a given calculation for H2NO (nitroxide)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
1 2 no CS 2A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-26.974935
Energy at 298.15K-26.977305
HF Energy-26.974935
Nuclear repulsion energy20.501182
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3442 3354 1.26      
2 A1 1689 1646 18.52      
3 A1 1297 1264 0.10      
4 B1 407 397 316.13      
5 B2 3612 3519 0.22      
6 B2 1225 1194 6.34      

Unscaled Zero Point Vibrational Energy (zpe) 5835.5 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 5686.7 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 B3LYP/CEP-121G
ABC
10.66875 1.04735 0.95373

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.569
O2 0.000 0.000 0.766
H3 0.000 0.885 -1.071
H4 0.000 -0.885 -1.071

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.33531.01781.0178
O21.33532.03942.0394
H31.01782.03941.7708
H41.01782.03941.7708

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 119.548 O2 N1 H4 119.548
H3 N1 H4 120.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.385      
2 O -0.206      
3 H 0.296      
4 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.226 3.226
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.648 0.000 0.000
y 0.000 -9.937 0.000
z 0.000 0.000 -11.057
Traceless
 xyz
x -2.151 0.000 0.000
y 0.000 1.915 0.000
z 0.000 0.000 0.236
Polar
3z2-r20.472
x2-y2-2.711
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.987 0.000 0.000
y 0.000 1.454 0.000
z 0.000 0.000 3.098


<r2> (average value of r2) Å2
<r2> 16.008
(<r2>)1/2 4.001

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-26.974935
Energy at 298.15K-26.977302
HF Energy-26.974935
Nuclear repulsion energy20.502260
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 B3LYP/CEP-121G
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' 3444 3356 1.26      
2 A' 1688 1645 18.54      
3 A' 1297 1264 0.09      
4 A' 404 394 316.32      
5 A" 3614 3522 0.24      
6 A" 1225 1194 6.34      

Unscaled Zero Point Vibrational Energy (zpe) 5835.8 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 5686.9 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 B3LYP/CEP-121G
ABC
10.66733 1.04744 0.95379

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.385      
2 O -0.206      
3 H 0.296      
4 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.004 3.226 0.000 3.226
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.648 0.004 0.000
y 0.004 -11.059 0.000
z 0.000 0.000 -9.936
Traceless
 xyz
x -2.151 0.004 0.000
y 0.004 0.233 0.000
z 0.000 0.000 1.917
Polar
3z2-r23.835
x2-y2-1.589
xy0.004
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.987 0.000 0.000
y 0.000 3.097 0.000
z 0.000 0.000 1.454


<r2> (average value of r2) Å2
<r2> 16.006
(<r2>)1/2 4.001