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All results from a given calculation for NH2NO2 (nitramide)

using model chemistry: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS 1A'

Conformer 1 (C2V)

Jump to S1C2
Vibrational Frequencies calculated at B3LYPultrafine/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at B3LYPultrafine/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-261.088846
Energy at 298.15K-261.093841
HF Energy-261.088846
Nuclear repulsion energy126.947690
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 B3LYPultrafine/aug-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' 3511 3407 32.82      
2 A' 1586 1539 62.08      
3 A' 1390 1349 232.16      
4 A' 1019 988 20.09      
5 A' 791 768 60.56      
6 A' 716 695 84.01      
7 A' 605 587 158.60      
8 A" 3654 3545 58.97      
9 A" 1665 1616 350.63      
10 A" 1234 1198 56.37      
11 A" 569 553 0.70      
12 A" 418 405 23.72      

Unscaled Zero Point Vibrational Energy (zpe) 8578.4 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 8324.5 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 B3LYPultrafine/aug-cc-pVDZ
ABC
0.41977 0.39667 0.20526

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.072 -1.248 0.000
N2 0.005 0.141 0.000
O3 0.005 0.686 1.095
O4 0.005 0.686 -1.095
H5 -0.312 -1.616 -0.865
H6 -0.312 -1.616 0.865

Atom - Atom Distances (Å)
  N1 N2 O3 O4 H5 H6
N11.38992.22352.22351.01551.0155
N21.38991.22371.22371.98341.9834
O32.22351.22372.19093.04022.3352
O42.22351.22372.19092.33523.0402
H51.01551.98343.04022.33521.7296
H61.01551.98342.33523.04021.7296

picture of nitramide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O3 116.438 N1 N2 O4 116.438
N2 N1 H5 110.119 N2 N1 H6 110.119
O3 N2 O4 127.057 H5 N1 H6 116.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.161      
2 N 1.001      
3 O -0.614      
4 O -0.614      
5 H 0.033      
6 H 0.033      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.138 -3.698 0.000 3.869
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.664 2.158 0.000
y 2.158 -20.676 0.000
z 0.000 0.000 -24.694
Traceless
 xyz
x 0.021 2.158 0.000
y 2.158 3.003 0.000
z 0.000 0.000 -3.024
Polar
3z2-r2-6.047
x2-y2-1.988
xy2.158
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.924 0.014 0.000
y 0.014 5.199 0.000
z 0.000 0.000 5.333


<r2> (average value of r2) Å2
<r2> 58.882
(<r2>)1/2 7.673