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All results from a given calculation for H2NO (nitroxide)

using model chemistry: HF/LANL2DZ

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 HF/LANL2DZ
 hartrees
Energy at 0K-130.378365
Energy at 298.15K-130.380622
HF Energy-130.378365
Nuclear repulsion energy34.612320
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 HF/LANL2DZ
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 3820 3437 33.07      
2 A1 1824 1641 41.60      
3 A1 1354 1219 27.76      
4 B1 298 268 479.36      
5 B2 4007 3606 28.21      
6 B2 1354 1219 3.04      

Unscaled Zero Point Vibrational Energy (zpe) 6328.3 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 5694.9 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 HF/LANL2DZ
ABC
11.04797 1.09004 0.99215

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.561
O2 0.000 0.000 0.751
H3 0.000 0.870 -1.039
H4 0.000 -0.870 -1.039

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.31160.99300.9930
O21.31161.99041.9904
H30.99301.99041.7401
H40.99301.99041.7401

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 118.811 O2 N1 H4 118.811
H3 N1 H4 122.377
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.504      
2 O -0.198      
3 H 0.351      
4 H 0.351      


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 -2.908 2.908
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.738 0.000 0.000
y 0.000 -9.850 0.000
z 0.000 0.000 -11.191
Traceless
 xyz
x -2.218 0.000 0.000
y 0.000 2.115 0.000
z 0.000 0.000 0.103
Polar
3z2-r20.206
x2-y2-2.888
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.654 0.000 0.000
y 0.000 1.211 0.000
z 0.000 0.000 2.763


<r2> (average value of r2) Å2
<r2> 17.419
(<r2>)1/2 4.174

Conformer 2 (CS)

Jump to S1C1
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-130.378365
Energy at 298.15K-130.380622
HF Energy-130.378365
Nuclear repulsion energy34.613502
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 HF/LANL2DZ
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' 3820 3437 33.06      
2 A' 1824 1641 41.61      
3 A' 1354 1219 27.74      
4 A' 298 268 479.30      
5 A" 4007 3606 28.18      
6 A" 1354 1219 3.04      

Unscaled Zero Point Vibrational Energy (zpe) 6328.7 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 5695.2 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 HF/LANL2DZ
ABC
11.04845 1.09012 0.99222

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.000 0.561 0.000
O2 -0.000 -0.751 0.000
H3 0.001 1.039 0.870
H4 0.001 1.039 -0.870

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.31150.99300.9930
O21.31151.99041.9904
H30.99301.99041.7401
H40.99301.99041.7401

picture of nitroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 118.814 O2 N1 H4 118.814
H3 N1 H4 122.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.504      
2 O -0.198      
3 H 0.351      
4 H 0.351      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.003 2.909 0.000 2.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.738 0.003 0.000
y 0.003 -11.192 0.000
z 0.000 0.000 -9.850
Traceless
 xyz
x -2.217 0.003 0.000
y 0.003 0.103 0.000
z 0.000 0.000 2.115
Polar
3z2-r24.229
x2-y2-1.547
xy0.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.654 0.000 0.000
y 0.000 2.763 0.000
z 0.000 0.000 1.211


<r2> (average value of r2) Å2
<r2> 17.418
(<r2>)1/2 4.173