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All results from a given calculation for NH2NO2 (nitramide)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-260.834549
Energy at 298.15K-260.839569
HF Energy-260.588959
Nuclear repulsion energy126.798316
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 B2PLYP=FULL/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' 3523 3377 28.58      
2 A' 1600 1534 57.02      
3 A' 1397 1339 207.86      
4 A' 1016 974 17.60      
5 A' 821 787 171.67      
6 A' 731 701 71.67      
7 A' 647 620 71.41      
8 A" 3663 3511 46.63      
9 A" 1715 1644 232.46      
10 A" 1254 1202 42.58      
11 A" 569 546 2.59      
12 A" 406 389 26.64      

Unscaled Zero Point Vibrational Energy (zpe) 8671.0 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 8311.1 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 B2PLYP=FULL/cc-pVDZ
ABC
0.41743 0.39629 0.20493

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.083 -1.252 0.000
N2 0.005 0.146 0.000
O3 0.005 0.684 1.098
O4 0.005 0.684 -1.098
H5 -0.348 -1.599 -0.855
H6 -0.348 -1.599 0.855

Atom - Atom Distances (Å)
  N1 N2 O3 O4 H5 H6
N11.40022.22722.22721.01821.0182
N21.40021.22291.22291.97471.9747
O32.22721.22292.19633.02492.3225
O42.22721.22292.19632.32253.0249
H51.01821.97473.02492.32251.7102
H61.01821.97472.32253.02491.7102

picture of nitramide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O3 116.056 N1 N2 O4 116.056
N2 N1 H5 108.448 N2 N1 H6 108.448
O3 N2 O4 127.802 H5 N1 H6 114.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability