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All results from a given calculation for H2NO (nitroxide)

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-130.378452
Energy at 298.15K-130.380705
HF Energy-130.378452
Nuclear repulsion energy34.614701
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/SDD
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 3819 3438 33.32      
2 A1 1824 1642 41.69      
3 A1 1354 1219 27.81      
4 B1 294 265 476.36      
5 B2 4006 3607 28.58      
6 B2 1354 1219 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 6325.2 cm-1
Scaled (by 0.9004) 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/SDD
ABC
11.04754 1.09024 0.99231

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

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
N11.31150.99300.9930
O21.31151.99031.9903
H30.99301.99031.7402
H40.99301.99031.7402

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 118.812 O2 N1 H4 118.812
H3 N1 H4 122.376
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.506      
2 O -0.198      
3 H 0.352      
4 H 0.352      


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 -2.909 2.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.739 0.000 0.000
y 0.000 -9.847 0.000
z 0.000 0.000 -11.191
Traceless
 xyz
x -2.220 0.000 0.000
y 0.000 2.118 0.000
z 0.000 0.000 0.103
Polar
3z2-r20.205
x2-y2-2.892
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.665 0.000 0.000
y 0.000 1.212 0.000
z 0.000 0.000 2.763


<r2> (average value of r2) Å2
<r2> 17.416
(<r2>)1/2 4.173

Conformer 2 (CS)

Jump to S1C1
Energy calculated at HF/SDD
 hartrees
Energy at 0K-130.378452
Energy at 298.15K-130.380706
HF Energy-130.378452
Nuclear repulsion energy34.615547
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/SDD
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' 3819 3438 33.32      
2 A' 1824 1642 41.70      
3 A' 1354 1219 27.80      
4 A' 295 265 476.31      
5 A" 4006 3607 28.56      
6 A" 1354 1219 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 6325.5 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 5695.4 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/SDD
ABC
11.04768 1.09031 0.99237

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

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 0.000 1.039 0.870
H4 0.000 1.039 -0.870

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.31140.99300.9930
O21.31141.99031.9903
H30.99301.99031.7401
H40.99301.99031.7401

picture of nitroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 118.813 O2 N1 H4 118.813
H3 N1 H4 122.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.506      
2 O -0.198      
3 H 0.352      
4 H 0.352      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.001 2.909 0.000 2.909
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.739 0.001 0.000
y 0.001 -11.191 0.000
z 0.000 0.000 -9.847
Traceless
 xyz
x -2.220 0.001 0.000
y 0.001 0.103 0.000
z 0.000 0.000 2.117
Polar
3z2-r24.235
x2-y2-1.548
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.665 0.000 0.000
y 0.000 2.763 0.000
z 0.000 0.000 1.212


<r2> (average value of r2) Å2
<r2> 17.416
(<r2>)1/2 4.173