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: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-185.800108
Energy at 298.15K-185.803649
HF Energy-185.800108
Nuclear repulsion energy72.371017
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/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 3770 3591 77.41      
2 A 3541 3373 24.90      
3 A 1654 1575 143.02      
4 A 1604 1528 173.94      
5 A 1250 1191 144.87      
6 A 1145 1091 72.61      
7 A 717 683 2.82      
8 A 643 612 1.46      
9 A 268 255 257.94      

Unscaled Zero Point Vibrational Energy (zpe) 7295.6 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 6949.8 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/cc-pVDZ
ABC
2.74620 0.43259 0.37372

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.092 0.233 -0.016
N2 -0.165 -0.524 0.035
N3 1.021 0.165 -0.053
H4 0.967 1.118 0.215
H5 1.777 -0.466 0.041

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.19862.11412.25302.9533
N21.19861.37402.00271.9424
N32.11411.37400.99190.9891
H42.25302.00270.99191.7874
H52.95331.94240.98911.7874

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 110.338 N2 N3 H4 114.707
N2 N3 H5 109.487 H4 N3 H5 128.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.198      
2 N -0.014      
3 N -0.467      
4 H 0.332      
5 H 0.347      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.873 0.802 -0.002 3.956
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.413 0.445 -0.003
y 0.445 -16.860 -0.000
z -0.003 -0.000 -17.944
Traceless
 xyz
x 1.989 0.445 -0.003
y 0.445 -0.181 -0.000
z -0.003 -0.000 -1.808
Polar
3z2-r2-3.615
x2-y21.447
xy0.445
xz-0.003
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.840 -0.046 0.000
y -0.046 2.985 0.000
z 0.000 0.000 2.163


<r2> (average value of r2) Å2
<r2> 36.069
(<r2>)1/2 6.006