return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2NO (Nitrosamide)

using model chemistry: TPSSh/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/cc-pVDZ
 hartrees
Energy at 0K-185.868426
Energy at 298.15K-185.871847
HF Energy-185.868426
Nuclear repulsion energy71.876510
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 TPSSh/cc-pVDZ
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 3647 3547 46.21      
2 A 3392 3298 2.31      
3 A 1598 1554 113.72      
4 A 1547 1505 106.31      
5 A 1209 1176 95.94      
6 A 1075 1045 63.49      
7 A 722 703 5.31      
8 A 600 583 0.70      
9 A 207 202 205.47      

Unscaled Zero Point Vibrational Energy (zpe) 6998.9 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 6805.7 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 TPSSh/cc-pVDZ
ABC
2.67946 0.42775 0.36936

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.122 0.223 0.004
N2 -0.148 -0.510 0.002
N3 1.020 0.147 -0.033
H4 1.016 1.168 0.069
H5 1.858 -0.408 0.114

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.21942.14422.33853.0483
N21.21941.34032.04282.0113
N32.14421.34031.02631.0155
H42.33852.04281.02631.7873
H53.04832.01131.01551.7873

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 113.708 N2 N3 H4 118.755
N2 N3 H5 116.577 H4 N3 H5 122.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.258      
2 N 0.041      
3 N -0.009      
4 H 0.099      
5 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.400 0.654 0.341 3.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.428 0.027 0.024
y 0.027 2.583 0.008
z 0.024 0.008 1.258


<r2> (average value of r2) Å2
<r2> 36.040
(<r2>)1/2 6.003