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All results from a given calculation for NH2NO (Nitrosamide)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-185.812913
Energy at 298.15K-185.816455
HF Energy-185.812913
Nuclear repulsion energy72.463672
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 mPW1PW91/6-31+G**
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 3765 3584 76.95      
2 A 3526 3356 19.47      
3 A 1651 1571 141.68      
4 A 1607 1529 170.41      
5 A 1253 1193 142.68      
6 A 1150 1094 60.66      
7 A 724 689 3.64      
8 A 636 605 1.47      
9 A 273 260 249.44      

Unscaled Zero Point Vibrational Energy (zpe) 7292.4 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 6940.9 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 mPW1PW91/6-31+G**
ABC
2.76560 0.43314 0.37449

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.119 0.218 -0.000
N2 -0.141 -0.502 -0.000
N3 1.010 0.146 0.000
H4 1.019 1.161 -0.000
H5 1.848 -0.411 -0.001

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.21442.13052.33713.0329
N21.21441.32092.02791.9909
N32.13051.32091.01551.0059
H42.33712.02791.01551.7775
H53.03291.99091.00591.7775

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 114.287 N2 N3 H4 119.868
N2 N3 H5 117.012 H4 N3 H5 123.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.176      
2 N -0.055      
3 N -0.444      
4 H 0.330      
5 H 0.346      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.850 0.806 -0.002 3.934
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.423 0.426 -0.004
y 0.426 -16.907 -0.001
z -0.004 -0.001 -17.938
Traceless
 xyz
x 1.999 0.426 -0.004
y 0.426 -0.227 -0.001
z -0.004 -0.001 -1.773
Polar
3z2-r2-3.545
x2-y21.484
xy0.426
xz-0.004
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.872 -0.015 0.000
y -0.015 3.017 0.000
z 0.000 0.000 2.152


<r2> (average value of r2) Å2
<r2> 36.030
(<r2>)1/2 6.002