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All results from a given calculation for H2NO (nitroxide)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

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

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-130.425591
Energy at 298.15K 
HF Energy-130.425591
Nuclear repulsion energy35.684226
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/6-311G*
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 3779 3418 17.59      
2 A1 1854 1676 39.79      
3 A1 1497 1354 11.33      
4 B1 514i 465i 286.33      
5 B2 3942 3565 15.71      
6 B2 1410 1276 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 5983.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 5411.6 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/6-311G*
ABC
11.17291 1.17608 1.06407

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.534
O2 0.000 0.000 0.723
H3 0.000 0.865 -1.022
H4 0.000 -0.865 -1.022

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.25720.99310.9931
O21.25721.94751.9475
H30.99311.94751.7304
H40.99311.94751.7304

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 119.405 O2 N1 H4 119.405
H3 N1 H4 121.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.479      
2 O -0.242      
3 H 0.360      
4 H 0.360      


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 -2.877 2.877
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.424 0.000 0.000
y 0.000 -9.692 0.000
z 0.000 0.000 -10.816
Traceless
 xyz
x -2.170 0.000 0.000
y 0.000 1.928 0.000
z 0.000 0.000 0.242
Polar
3z2-r20.484
x2-y2-2.732
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.966 0.000 0.000
y 0.000 1.330 0.000
z 0.000 0.000 2.744


<r2> (average value of r2) Å2
<r2> 16.621
(<r2>)1/2 4.077

Conformer 2 (CS)

Jump to S1C1
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-130.426731
Energy at 298.15K-130.429295
HF Energy-130.426731
Nuclear repulsion energy35.504876
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/6-311G*
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' 3741 3383 5.31      
2 A' 1868 1690 34.56      
3 A' 1439 1301 7.30      
4 A' 654 591 287.99      
5 A" 3877 3506 5.46      
6 A" 1459 1320 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 6519.1 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 5895.9 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/6-311G*
ABC
10.66175 1.16172 1.06523

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.034 0.546 0.000
O2 -0.034 -0.723 0.000
H3 0.257 0.982 0.847
H4 0.257 0.982 -0.847

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.26840.99660.9966
O21.26841.92601.9260
H30.99661.92601.6950
H40.99661.92601.6950

picture of nitroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 115.971 O2 N1 H4 115.971
H3 N1 H4 116.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.480      
2 O -0.227      
3 H 0.354      
4 H 0.354      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.030 2.566 0.000 2.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.166 0.979 0.000
y 0.979 -11.214 0.000
z 0.000 0.000 -9.897
Traceless
 xyz
x -1.610 0.979 0.000
y 0.979 -0.183 0.000
z 0.000 0.000 1.793
Polar
3z2-r23.586
x2-y2-0.952
xy0.979
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.025 0.064 0.000
y 0.064 2.636 0.000
z 0.000 0.000 1.379


<r2> (average value of r2) Å2
<r2> 16.706
(<r2>)1/2 4.087