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All results from a given calculation for H2NO (nitroxide)

using model chemistry: HSEh1PBE/3-21G

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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-130.222989
Energy at 298.15K-130.225089
HF Energy-130.222989
Nuclear repulsion energy33.926362
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 HSEh1PBE/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 A1 3430 3304 5.32      
2 A1 1689 1627 17.61      
3 A1 1242 1197 0.64      
4 B1 193 186 323.35      
5 B2 3570 3439 0.71      
6 B2 1214 1170 5.34      

Unscaled Zero Point Vibrational Energy (zpe) 5669.7 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 5461.7 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 HSEh1PBE/3-21G
ABC
10.80614 1.04524 0.95305

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.568
O2 0.000 0.000 0.767
H3 0.000 0.880 -1.078
H4 0.000 -0.880 -1.078

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.33531.01641.0164
O21.33532.04342.0434
H31.01642.04341.7595
H41.01642.04341.7595

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 120.057 O2 N1 H4 120.057
H3 N1 H4 119.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.383      
2 O -0.280      
3 H 0.332      
4 H 0.332      


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 -2.993 2.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.030 0.000 0.000
y 0.000 -9.564 0.000
z 0.000 0.000 -10.273
Traceless
 xyz
x -2.111 0.000 0.000
y 0.000 1.587 0.000
z 0.000 0.000 0.524
Polar
3z2-r21.049
x2-y2-2.465
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.460 0.000 0.000
y 0.000 1.217 0.000
z 0.000 0.000 2.409


<r2> (average value of r2) Å2
<r2> 17.471
(<r2>)1/2 4.180

Conformer 2 (CS)

Jump to S1C1
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-130.222989
Energy at 298.15K-130.225087
HF Energy-130.222989
Nuclear repulsion energy33.926613
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 HSEh1PBE/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' 3431 3305 5.32      
2 A' 1689 1627 17.62      
3 A' 1242 1197 0.64      
4 A' 192 185 323.41      
5 A" 3571 3440 0.71      
6 A" 1214 1170 5.34      

Unscaled Zero Point Vibrational Energy (zpe) 5669.3 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 5461.2 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 HSEh1PBE/3-21G
ABC
10.80487 1.04527 0.95307

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.383      
2 O -0.280      
3 H 0.332      
4 H 0.332      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.001 2.993 0.000 2.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.030 -0.001 0.000
y -0.001 -10.273 0.000
z 0.000 0.000 -9.564
Traceless
 xyz
x -2.111 -0.001 0.000
y -0.001 0.523 0.000
z 0.000 0.000 1.588
Polar
3z2-r23.175
x2-y2-1.756
xy-0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.460 -0.000 0.000
y -0.000 2.409 0.000
z 0.000 0.000 1.217


<r2> (average value of r2) Å2
<r2> 17.470
(<r2>)1/2 4.180