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All results from a given calculation for NH2NO2 (nitramide)

using model chemistry: MP2=FULL/aug-cc-pVTZ

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 MP2=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-260.733673
Energy at 298.15K-260.738711
HF Energy-259.750773
Nuclear repulsion energy127.631446
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 MP2=FULL/aug-cc-pVTZ
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' 3567 3393 35.71      
2 A' 1624 1546 64.53      
3 A' 1411 1343 205.26      
4 A' 1029 979 16.93      
5 A' 816 776 103.91      
6 A' 736 700 91.81      
7 A' 655 624 105.47      
8 A" 3691 3511 67.99      
9 A" 1785 1698 264.24      
10 A" 1273 1211 27.52      
11 A" 575 547 1.27      
12 A" 405 385 27.25      

Unscaled Zero Point Vibrational Energy (zpe) 8783.0 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 8356.1 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 MP2=FULL/aug-cc-pVTZ
ABC
0.42252 0.40231 0.20758

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.078 -1.241 0.000
N2 0.005 0.141 0.000
O3 0.005 0.680 1.092
O4 0.005 0.680 -1.092
H5 -0.328 -1.593 -0.853
H6 -0.328 -1.593 0.853

Atom - Atom Distances (Å)
  N1 N2 O3 O4 H5 H6
N11.38372.21102.21101.00841.0084
N21.38371.21791.21791.96111.9611
O32.21101.21792.18373.01052.3103
O42.21101.21792.18372.31033.0105
H51.00841.96113.01052.31031.7061
H61.00841.96112.31033.01051.7061

picture of nitramide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O3 116.254 N1 N2 O4 116.254
N2 N1 H5 109.127 N2 N1 H6 109.127
O3 N2 O4 127.411 H5 N1 H6 115.543
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability