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All results from a given calculation for H2NO (nitroxide)

using model chemistry: LSDA/cc-pVDZ

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 LSDA/cc-pVDZ
 hartrees
Energy at 0K-130.432180
Energy at 298.15K 
HF Energy-130.432180
Nuclear repulsion energy35.170555
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/cc-pVDZ
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 3231 3196 6.29      
2 A1 1583 1565 2.22      
3 A1 1447 1431 21.25      
4 B1 208i 206i 157.09      
5 B2 3323 3287 2.87      
6 B2 1215 1202 2.24      

Unscaled Zero Point Vibrational Energy (zpe) 5295.7 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 5237.5 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/cc-pVDZ
ABC
10.62327 1.15247 1.03968

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.530
O2 0.000 0.000 0.731
H3 0.000 0.887 -1.068
H4 0.000 -0.887 -1.068

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.26041.03781.0378
O21.26042.00562.0056
H31.03782.00561.7746
H41.03782.00561.7746

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 121.242 O2 N1 H4 121.242
H3 N1 H4 117.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.012      
2 O -0.285      
3 H 0.136      
4 H 0.136      


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 -2.999 2.999
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.062 0.000 0.000
y 0.000 -9.894 0.000
z 0.000 0.000 -10.760
Traceless
 xyz
x -1.735 0.000 0.000
y 0.000 1.517 0.000
z 0.000 0.000 0.218
Polar
3z2-r20.435
x2-y2-2.168
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.857 0.000 0.000
y 0.000 1.616 0.000
z 0.000 0.000 2.620


<r2> (average value of r2) Å2
<r2> 16.902
(<r2>)1/2 4.111

Conformer 2 (CS)

Jump to S1C1
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-130.432221
Energy at 298.15K-130.434469
HF Energy-130.432221
Nuclear repulsion energy35.162871
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/cc-pVDZ
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' 3214 3179 8.45      
2 A' 1582 1564 2.41      
3 A' 1443 1427 21.78      
4 A' 293 290 153.35      
5 A" 3307 3270 4.33      
6 A" 1223 1210 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 5530.8 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 5470.0 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/cc-pVDZ
ABC
10.52002 1.15208 1.04190

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.016 0.531 0.000
O2 -0.016 -0.730 0.000
H3 0.118 1.060 0.884
H4 0.118 1.060 -0.884

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.26101.03891.0389
O21.26102.00102.0010
H31.03892.00101.7679
H41.03892.00101.7679

picture of nitroxide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 120.622 O2 N1 H4 120.622
H3 N1 H4 116.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.013      
2 O -0.284      
3 H 0.136      
4 H 0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.379 2.957 0.000 2.982
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.016 0.365 0.000
y 0.365 -10.829 0.000
z 0.000 0.000 -9.933
Traceless
 xyz
x -1.635 0.365 0.000
y 0.365 0.146 0.000
z 0.000 0.000 1.490
Polar
3z2-r22.979
x2-y2-1.187
xy0.365
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.875 0.088 0.000
y 0.088 2.620 0.000
z 0.000 0.000 1.624


<r2> (average value of r2) Å2
<r2> 16.903
(<r2>)1/2 4.111