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All results from a given calculation for NH2NO2 (nitramide)

using model chemistry: MP4=FULL/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 MP4=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-260.750571
Energy at 298.15K-260.755570
HF Energy-259.743458
Nuclear repulsion energy126.823365
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 MP4=FULL/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' 3540 3409 0.00      
2 A' 1613 1553 0.00      
3 A' 1367 1316 0.00      
4 A' 1000 963 0.00      
5 A' 829 798 0.00      
6 A' 735 708 0.00      
7 A' 648 624 0.00      
8 A" 3668 3532 0.00      
9 A" 1712 1649 0.00      
10 A" 1252 1206 0.00      
11 A" 558 537 0.00      
12 A" 387 373 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 8654.3 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 8333.3 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 MP4=FULL/cc-pVTZ
ABC
0.41695 0.39631 0.20485

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.082 -1.255 0.000
N2 0.006 0.147 0.000
O3 0.006 0.683 1.099
O4 0.006 0.683 -1.099
H5 -0.354 -1.588 -0.848
H6 -0.354 -1.588 0.848

Atom - Atom Distances (Å)
  N1 N2 O3 O4 H5 H6
N11.40362.22912.22911.01001.0100
N21.40361.22291.22291.96431.9643
O32.22911.22292.19823.01312.3131
O42.22911.22292.19822.31313.0131
H51.01001.96433.01312.31311.6960
H61.01001.96432.31313.01311.6960

picture of nitramide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O3 115.968 N1 N2 O4 115.968
N2 N1 H5 107.835 N2 N1 H6 107.835
O3 N2 O4 127.982 H5 N1 H6 114.204
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability