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All results from a given calculation for NH2NO2 (nitramide)

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

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-260.498190
Energy at 298.15K-260.503156
HF Energy-259.685693
Nuclear repulsion energy126.008107
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 QCISD(T)=FULL/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' 3482 3378        
2 A' 1597 1549        
3 A' 1377 1335        
4 A' 1012 982        
5 A' 831 806        
6 A' 722 701        
7 A' 639 619        
8 A" 3611 3503        
9 A" 1653 1603        
10 A" 1251 1214        
11 A" 554 537        
12 A" 365 354        

Unscaled Zero Point Vibrational Energy (zpe) 8546.3 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 8290.7 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 QCISD(T)=FULL/aug-cc-pVDZ
ABC
0.41421 0.38875 0.20233

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.086 -1.267 0.000
N2 0.006 0.146 0.000
O3 0.006 0.690 1.102
O4 0.006 0.690 -1.102
H5 -0.370 -1.596 -0.853
H6 -0.370 -1.596 0.853

Atom - Atom Distances (Å)
  N1 N2 O3 O4 H5 H6
N11.41522.24762.24761.02161.0216
N21.41521.22921.22921.97571.9757
O32.24761.22922.20433.03162.3305
O42.24761.22922.20432.33053.0316
H51.02161.97573.03162.33051.7054
H61.02161.97572.33053.03161.7054

picture of nitramide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O3 116.236 N1 N2 O4 116.236
N2 N1 H5 107.245 N2 N1 H6 107.245
O3 N2 O4 127.437 H5 N1 H6 113.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability