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All results from a given calculation for NH2NO (Nitrosamide)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-185.722508
Energy at 298.15K-185.726323
HF Energy-185.722508
Nuclear repulsion energy71.288651
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 mPW1PW91/6-31G
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 3787 3585 66.32      
2 A 3542 3353 15.78      
3 A 1659 1571 65.19      
4 A 1516 1435 119.54      
5 A 1235 1169 125.45      
6 A 1127 1067 64.69      
7 A 741 701 68.74      
8 A 617 584 1.88      
9 A 581 550 318.12      

Unscaled Zero Point Vibrational Energy (zpe) 7402.6 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 7007.3 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 mPW1PW91/6-31G
ABC
2.67689 0.41860 0.36200

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.142 0.222 0.000
N2 -0.135 -0.513 -0.000
N3 1.026 0.150 -0.000
H4 1.036 1.164 -0.000
H5 1.866 -0.399 0.001

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.24672.16912.37303.0712
N21.24671.33712.04562.0039
N32.16911.33711.01411.0037
H42.37302.04561.01411.7703
H53.07122.00391.00371.7703

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 114.128 N2 N3 H4 120.309
N2 N3 H5 117.046 H4 N3 H5 122.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.374      
2 N 0.188      
3 N -0.541      
4 H 0.352      
5 H 0.375      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.018 0.892 0.002 4.116
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.524 0.433 0.005
y 0.433 -16.718 -0.001
z 0.005 -0.001 -17.496
Traceless
 xyz
x 1.583 0.433 0.005
y 0.433 -0.208 -0.001
z 0.005 -0.001 -1.375
Polar
3z2-r2-2.751
x2-y21.194
xy0.433
xz0.005
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.267 -0.062 0.000
y -0.062 2.263 -0.000
z 0.000 -0.000 0.998


<r2> (average value of r2) Å2
<r2> 36.747
(<r2>)1/2 6.062