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: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-185.879467
Energy at 298.15K-185.882773
HF Energy-185.879467
Nuclear repulsion energy71.177029
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 BLYP/6-311G**
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 3572 3558 34.17      
2 A 3311 3298 0.66      
3 A 1531 1525 18.87      
4 A 1493 1487 179.16      
5 A 1160 1155 80.72      
6 A 981 977 91.55      
7 A 705 702 2.80      
8 A 592 590 0.04      
9 A 156 155 195.87      

Unscaled Zero Point Vibrational Energy (zpe) 6749.9 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 6723.6 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 BLYP/6-311G**
ABC
2.65191 0.41771 0.36087

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.135 0.226 -0.000
N2 -0.153 -0.513 0.000
N3 1.033 0.147 0.000
H4 1.045 1.175 0.000
H5 1.877 -0.418 -0.000

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.22992.16962.37743.0807
N21.22991.35682.06932.0321
N32.16961.35681.02771.0159
H42.37742.06931.02771.7969
H53.08072.03211.01591.7969

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 113.926 N2 N3 H4 119.780
N2 N3 H5 117.115 H4 N3 H5 123.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.256      
2 N 0.090      
3 N -0.252      
4 H 0.193      
5 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.415 0.650 -0.000 3.476
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.431 0.244 -0.001
y 0.244 -16.858 0.000
z -0.001 0.000 -17.505
Traceless
 xyz
x 1.750 0.244 -0.001
y 0.244 -0.390 0.000
z -0.001 0.000 -1.360
Polar
3z2-r2-2.721
x2-y21.427
xy0.244
xz-0.001
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.871 0.101 0.000
y 0.101 2.931 0.000
z 0.000 0.000 1.446


<r2> (average value of r2) Å2
<r2> 36.882
(<r2>)1/2 6.073