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All results from a given calculation for NH2NO (Nitrosamide)

using model chemistry: QCISD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-185.462626
Energy at 298.15K-185.466276
HF Energy-184.894502
Nuclear repulsion energy72.090363
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/TZVP
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 3734 3567 48.83      
2 A 3534 3376 19.33      
3 A 1635 1562 22.36      
4 A 1602 1530 183.56      
5 A 1261 1205 100.19      
6 A 1083 1034 106.50      
7 A 685 654 8.91      
8 A 622 594 5.40      
9 A 392 375 321.22      

Unscaled Zero Point Vibrational Energy (zpe) 7273.7 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 6948.5 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/TZVP
ABC
2.68345 0.42901 0.37157

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.117 0.224 0.006
N2 -0.151 -0.508 0.006
N3 1.024 0.147 -0.062
H4 1.006 1.141 0.136
H5 1.821 -0.407 0.203

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.21162.14422.31693.0119
N21.21161.34772.01921.9851
N32.14421.34771.01401.0061
H42.31692.01921.01401.7515
H53.01191.98511.00611.7515

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 113.714 N2 N3 H4 116.809
N2 N3 H5 114.212 H4 N3 H5 120.237
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability