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All results from a given calculation for H2NO (nitroxide)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-26.970939
Energy at 298.15K-26.973328
HF Energy-26.970939
Nuclear repulsion energy20.432058
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 B3LYP/CEP-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 3486 3376 3.46      
2 A1 1678 1625 21.81      
3 A1 1296 1255 0.00      
4 B1 438 424 379.02      
5 B2 3655 3539 0.99      
6 B2 1217 1178 7.33      

Unscaled Zero Point Vibrational Energy (zpe) 5884.6 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 5698.7 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 B3LYP/CEP-31G
ABC
10.57662 1.04108 0.94779

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.571
O2 0.000 0.000 0.768
H3 0.000 0.889 -1.075
H4 0.000 -0.889 -1.075

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.33921.02221.0222
O21.33922.04652.0465
H31.02222.04651.7785
H41.02222.04651.7785

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 119.549 O2 N1 H4 119.549
H3 N1 H4 120.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.380      
2 O -0.195      
3 H 0.288      
4 H 0.288      


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 -3.252 3.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.581 0.000 0.000
y 0.000 -9.888 0.000
z 0.000 0.000 -11.022
Traceless
 xyz
x -2.126 0.000 0.000
y 0.000 1.913 0.000
z 0.000 0.000 0.213
Polar
3z2-r20.426
x2-y2-2.693
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.613 0.000 0.000
y 0.000 1.390 0.000
z 0.000 0.000 3.055


<r2> (average value of r2) Å2
<r2> 16.036
(<r2>)1/2 4.005

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-26.970939
Energy at 298.15K-26.973327
HF Energy-26.970939
Nuclear repulsion energy20.431844
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 B3LYP/CEP-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' 3487 3377 3.48      
2 A' 1677 1624 21.83      
3 A' 1296 1255 0.00      
4 A' 436 422 379.26      
5 A" 3656 3541 1.03      
6 A" 1217 1178 7.33      

Unscaled Zero Point Vibrational Energy (zpe) 5884.3 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 5698.4 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 B3LYP/CEP-31G
ABC
10.57181 1.04107 0.94774

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.380      
2 O -0.196      
3 H 0.288      
4 H 0.288      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 3.251 0.000 3.251
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.581 0.000 0.000
y 0.000 -11.024 0.000
z 0.000 0.000 -9.886
Traceless
 xyz
x -2.126 0.000 0.000
y 0.000 0.209 0.000
z 0.000 0.000 1.917
Polar
3z2-r23.833
x2-y2-1.557
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.613 0.000 0.000
y 0.000 3.055 0.000
z 0.000 0.000 1.390


<r2> (average value of r2) Å2
<r2> 16.036
(<r2>)1/2 4.004