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All results from a given calculation for NH2NO2 (nitramide)

using model chemistry: TPSSh/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 TPSSh/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at TPSSh/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-261.095568
Energy at 298.15K-261.100543
HF Energy-261.095568
Nuclear repulsion energy126.647687
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/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' 3478 3364 23.12      
2 A' 1587 1535 55.57      
3 A' 1375 1330 217.85      
4 A' 1008 975 16.07      
5 A' 789 763 102.16      
6 A' 714 691 95.34      
7 A' 613 593 105.51      
8 A" 3619 3500 44.82      
9 A" 1655 1601 326.57      
10 A" 1230 1189 57.06      
11 A" 552 534 1.49      
12 A" 409 396 24.27      

Unscaled Zero Point Vibrational Energy (zpe) 8513.5 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 8235.1 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/aug-cc-pVDZ
ABC
0.41695 0.39534 0.20438

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.080 -1.251 0.000
N2 0.004 0.142 0.000
O3 0.004 0.687 1.099
O4 0.004 0.687 -1.099
H5 -0.326 -1.610 -0.862
H6 -0.326 -1.610 0.862

Atom - Atom Distances (Å)
  N1 N2 O3 O4 H5 H6
N11.39512.22902.22901.01781.0178
N21.39511.22661.22661.97981.9798
O32.22901.22662.19803.03762.3320
O42.22901.22662.19802.33203.0376
H51.01781.97983.03762.33201.7238
H61.01781.97982.33203.03761.7238

picture of nitramide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O3 116.325 N1 N2 O4 116.325
N2 N1 H5 109.271 N2 N1 H6 109.271
O3 N2 O4 127.267 H5 N1 H6 115.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.028      
2 N 1.052      
3 O -0.638      
4 O -0.638      
5 H 0.098      
6 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.172 -3.590 0.000 3.776
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 2.951 0.016 0.000
y 0.016 5.279 0.000
z 0.000 0.000 5.358


<r2> (average value of r2) Å2
<r2> 58.950
(<r2>)1/2 7.678