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All results from a given calculation for H2NO (nitroxide)

using model chemistry: LSDA/6-31G

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 LSDA/6-31G
 hartrees
Energy at 0K-130.383506
Energy at 298.15K-130.385937
HF Energy-130.383506
Nuclear repulsion energy34.465068
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 LSDA/6-31G
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 3336 3268 0.90      
2 A1 1669 1635 9.40      
3 A1 1329 1302 6.14      
4 B1 483 473 304.55      
5 B2 3451 3381 4.43      
6 B2 1236 1211 10.74      

Unscaled Zero Point Vibrational Energy (zpe) 5751.6 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 5634.8 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 LSDA/6-31G
ABC
10.71976 1.09181 0.99088

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.551
O2 0.000 0.000 0.750
H3 0.000 0.883 -1.075
H4 0.000 -0.883 -1.075

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.30111.02711.0271
O21.30112.02772.0277
H31.02712.02771.7666
H41.02712.02771.7666

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 120.686 O2 N1 H4 120.686
H3 N1 H4 118.628
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.357      
2 O -0.319      
3 H 0.338      
4 H 0.338      


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 -3.299 3.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.436 0.000 0.000
y 0.000 -9.940 0.000
z 0.000 0.000 -10.958
Traceless
 xyz
x -1.987 0.000 0.000
y 0.000 1.757 0.000
z 0.000 0.000 0.230
Polar
3z2-r20.459
x2-y2-2.496
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.630 0.000 0.000
y 0.000 1.470 0.000
z 0.000 0.000 2.697


<r2> (average value of r2) Å2
<r2> 17.438
(<r2>)1/2 4.176

Conformer 2 (CS)

Jump to S1C1
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-130.383506
Energy at 298.15K-130.385936
HF Energy-130.383506
Nuclear repulsion energy34.464872
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 LSDA/6-31G
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' 3337 3269 0.89      
2 A' 1668 1634 9.43      
3 A' 1329 1302 6.10      
4 A' 482 472 304.73      
5 A" 3453 3383 4.35      
6 A" 1235 1210 10.74      

Unscaled Zero Point Vibrational Energy (zpe) 5751.8 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 5635.1 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 LSDA/6-31G
ABC
10.71748 1.09180 0.99086

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.551 0.000
O2 0.000 -0.750 0.000
H3 -0.000 1.074 0.883
H4 -0.000 1.074 -0.883

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.30111.02701.0270
O21.30112.02752.0275
H31.02702.02751.7667
H41.02702.02751.7667

picture of nitroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 120.663 O2 N1 H4 120.663
H3 N1 H4 118.673
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.357      
2 O -0.319      
3 H 0.338      
4 H 0.338      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.000 3.299 0.000 3.299
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.436 -0.000 0.000
y -0.000 -10.960 0.000
z 0.000 0.000 -9.938
Traceless
 xyz
x -1.987 -0.000 0.000
y -0.000 0.227 0.000
z 0.000 0.000 1.760
Polar
3z2-r23.519
x2-y2-1.476
xy-0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.630 0.000 0.000
y 0.000 2.696 0.000
z 0.000 0.000 1.469


<r2> (average value of r2) Å2
<r2> 17.438
(<r2>)1/2 4.176