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All results from a given calculation for H2NO (nitroxide)

using model chemistry: HSEh1PBE/TZVP

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 HSEh1PBE/TZVP
 hartrees
Energy at 0K-131.012135
Energy at 298.15K 
HF Energy-131.012135
Nuclear repulsion energy35.290247
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 HSEh1PBE/TZVP
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 3461 3323 0.38      
2 A1 1692 1625 13.47      
3 A1 1423 1366 7.08      
4 B1 23i 22i 214.40      
5 B2 3595 3451 4.13      
6 B2 1289 1237 3.26      

Unscaled Zero Point Vibrational Energy (zpe) 5718.3 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 5490.1 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 HSEh1PBE/TZVP
ABC
10.88153 1.15315 1.04266

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -0.536
O2 0.000 0.000 0.730
H3 0.000 0.877 -1.045
H4 0.000 -0.877 -1.045

Atom - Atom Distances (Å)
  N1 O2 H3 H4
N11.26621.01381.0138
O21.26621.97991.9799
H31.01381.97991.7534
H41.01381.97991.7534

picture of nitroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 H3 120.144 O2 N1 H4 120.144
H3 N1 H4 119.711
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.211      
2 O -0.243      
3 H 0.227      
4 H 0.227      


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 -3.136 3.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.543 0.000 0.000
y 0.000 -9.989 0.000
z 0.000 0.000 -11.112
Traceless
 xyz
x -1.993 0.000 0.000
y 0.000 1.839 0.000
z 0.000 0.000 0.154
Polar
3z2-r20.309
x2-y2-2.554
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.227 0.000 0.000
y 0.000 1.644 0.000
z 0.000 0.000 3.011


<r2> (average value of r2) Å2
<r2> 17.002
(<r2>)1/2 4.123

Conformer 2 (CS)

Jump to S1C1
Energy calculated at HSEh1PBE/TZVP
 hartrees
Energy at 0K-131.012135
Energy at 298.15K-131.013952
HF Energy-131.012135
Nuclear repulsion energy35.290256
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 HSEh1PBE/TZVP
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' 3461 3323 0.38      
2 A' 1692 1625 13.46      
3 A' 1423 1366 7.08      
4 A' 21 20 214.31      
5 A" 3594 3451 4.12      
6 A" 1289 1237 3.26      

Unscaled Zero Point Vibrational Energy (zpe) 5740.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 5511.1 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 HSEh1PBE/TZVP
ABC
10.88116 1.15314 1.04268

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.211      
2 O -0.243      
3 H 0.227      
4 H 0.227      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.040 3.136 0.000 3.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.543 0.037 0.000
y 0.037 -11.112 0.000
z 0.000 0.000 -9.989
Traceless
 xyz
x -1.992 0.037 0.000
y 0.037 0.154 0.000
z 0.000 0.000 1.838
Polar
3z2-r23.676
x2-y2-1.431
xy0.037
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.227 0.005 0.000
y 0.005 3.011 0.000
z 0.000 0.000 1.644


<r2> (average value of r2) Å2
<r2> 17.002
(<r2>)1/2 4.123