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All results from a given calculation for H2NO (nitroxide)

using model chemistry: ROHF/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 ROHF/6-31G
 hartrees
Energy at 0K-130.337658
Energy at 298.15K-130.339850
HF Energy-130.337658
Nuclear repulsion energy34.794244
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 ROHF/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 3829 3428 29.56      
2 A1 1836 1644 39.28      
3 A1 1319 1181 30.32      
4 B1 246 220 489.00      
5 B2 4009 3590 30.28      
6 B2 1370 1227 2.11      

Unscaled Zero Point Vibrational Energy (zpe) 6305.0 cm-1
Scaled (by 0.8953) Zero Point Vibrational Energy (zpe) 5644.9 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 ROHF/6-31G
ABC
11.12595 1.10256 1.00315

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.558
O2 0.000 0.000 0.746
H3 0.000 0.867 -1.034
H4 0.000 -0.867 -1.034

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.30400.98930.9893
O21.30401.98041.9804
H30.98931.98041.7340
H40.98931.98041.7340

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 118.794 O2 N1 H4 118.794
H3 N1 H4 122.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.477      
2 O -0.268      
3 H 0.372      
4 H 0.372      


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 -2.820 2.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.570 0.000 0.000
y 0.000 -9.760 -0.002
z 0.000 -0.002 -11.092
Traceless
 xyz
x -2.144 0.000 0.000
y 0.000 2.071 -0.002
z 0.000 -0.002 0.073
Polar
3z2-r20.146
x2-y2-2.810
xy0.000
xz0.000
yz-0.002


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


<r2> (average value of r2) Å2
<r2> 17.234
(<r2>)1/2 4.151

Conformer 2 (CS)

Jump to S1C1
Energy calculated at ROHF/6-31G
 hartrees
Energy at 0K-130.337658
Energy at 298.15K-130.339850
HF Energy-130.337658
Nuclear repulsion energy34.791314
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 ROHF/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' 3829 3428 29.56      
2 A' 1836 1644 39.26      
3 A' 1319 1181 30.34      
4 A' 246 220 489.11      
5 A" 4009 3589 30.33      
6 A" 1370 1227 2.11      

Unscaled Zero Point Vibrational Energy (zpe) 6304.3 cm-1
Scaled (by 0.8953) Zero Point Vibrational Energy (zpe) 5644.2 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 ROHF/6-31G
ABC
11.12429 1.10235 1.00296

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

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.477      
2 O -0.267      
3 H 0.372      
4 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.003 2.820 0.000 2.820
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.568 0.002 0.000
y 0.002 -11.093 -0.001
z 0.000 -0.001 -9.760
Traceless
 xyz
x -2.142 0.002 0.000
y 0.002 0.071 -0.001
z 0.000 -0.001 2.071
Polar
3z2-r24.141
x2-y2-1.475
xy0.002
xz0.000
yz-0.001


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


<r2> (average value of r2) Å2
<r2> 17.235
(<r2>)1/2 4.152