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All results from a given calculation for NH2NO2 (nitramide)

using model chemistry: QCISD(T)=FULL/6-31+G**

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/6-31+G**
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/6-31+G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-260.423053
Energy at 298.15K-260.428029
HF Energy-259.647844
Nuclear repulsion energy125.916129
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/6-31+G**
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' 3564 3564        
2 A' 1649 1649        
3 A' 1382 1382        
4 A' 1014 1014        
5 A' 829 829        
6 A' 713 713        
7 A' 641 641        
8 A" 3703 3703        
9 A" 1660 1660        
10 A" 1259 1259        
11 A" 554 554        
12 A" 389 389        

Unscaled Zero Point Vibrational Energy (zpe) 8678.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8678.5 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/6-31+G**
ABC
0.41099 0.39087 0.20193

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.091 -1.261 0.000
N2 0.002 0.143 0.000
O3 0.002 0.690 1.107
O4 0.002 0.690 -1.107
H5 -0.337 -1.606 -0.852
H6 -0.337 -1.606 0.852

Atom - Atom Distances (Å)
  N1 N2 O3 O4 H5 H6
N11.40692.24442.24441.01381.0138
N21.40691.23471.23471.97531.9753
O32.24441.23472.21463.03702.3349
O42.24441.23472.21462.33493.0370
H51.01381.97533.03702.33491.7032
H61.01381.97532.33493.03701.7032

picture of nitramide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O3 116.195 N1 N2 O4 116.195
N2 N1 H5 108.279 N2 N1 H6 108.279
O3 N2 O4 127.496 H5 N1 H6 114.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability