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All results from a given calculation for H2NO (nitroxide)

using model chemistry: wB97X-D/3-21G*

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 wB97X-D/3-21G*
 hartrees
Energy at 0K-130.315460
Energy at 298.15K-130.317596
HF Energy-130.315460
Nuclear repulsion energy33.925423
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 wB97X-D/3-21G*
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 3472 3290 8.59      
2 A1 1688 1600 21.59      
3 A1 1254 1188 1.02      
4 B1 219 208 335.52      
5 B2 3614 3425 3.10      
6 B2 1217 1153 4.97      

Unscaled Zero Point Vibrational Energy (zpe) 5731.5 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 5432.4 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 wB97X-D/3-21G*
ABC
10.79636 1.04477 0.95258

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.570
O2 0.000 0.000 0.767
H3 0.000 0.880 -1.074
H4 0.000 -0.880 -1.074

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.33661.01431.0143
O21.33662.04032.0403
H31.01432.04031.7603
H41.01432.04031.7603

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 119.801 O2 N1 H4 119.801
H3 N1 H4 120.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.388      
2 O -0.285      
3 H 0.336      
4 H 0.336      


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 -3.063 3.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.990 0.000 0.000
y 0.000 -9.463 0.000
z 0.000 0.000 -10.239
Traceless
 xyz
x -2.139 0.000 0.000
y 0.000 1.652 0.000
z 0.000 0.000 0.487
Polar
3z2-r20.974
x2-y2-2.527
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.458 0.000 0.000
y 0.000 1.175 0.000
z 0.000 0.000 2.369


<r2> (average value of r2) Å2
<r2> 17.430
(<r2>)1/2 4.175

Conformer 2 (CS)

Jump to S1C1
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-130.315460
Energy at 298.15K-130.317596
HF Energy-130.315460
Nuclear repulsion energy33.927004
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 wB97X-D/3-21G*
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' 3472 3291 8.58      
2 A' 1688 1600 21.59      
3 A' 1254 1188 1.02      
4 A' 218 207 335.51      
5 A" 3614 3425 3.10      
6 A" 1217 1153 4.97      

Unscaled Zero Point Vibrational Energy (zpe) 5731.5 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 5432.4 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 wB97X-D/3-21G*
ABC
10.79590 1.04489 0.95269

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.388      
2 O -0.285      
3 H 0.336      
4 H 0.336      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.001 3.063 0.000 3.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.990 -0.001 0.000
y -0.001 -10.240 0.000
z 0.000 0.000 -9.462
Traceless
 xyz
x -2.138 -0.001 0.000
y -0.001 0.486 0.000
z 0.000 0.000 1.652
Polar
3z2-r23.305
x2-y2-1.750
xy-0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.458 0.000 0.000
y 0.000 2.368 0.000
z 0.000 0.000 1.175


<r2> (average value of r2) Å2
<r2> 17.429
(<r2>)1/2 4.175