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All results from a given calculation for NH2NO (Nitrosamide)

using model chemistry: QCISD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-185.557757
Energy at 298.15K-185.561358
HF Energy-184.902326
Nuclear repulsion energy72.384282
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/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 3747 3580 55.56      
2 A 3542 3385 19.31      
3 A 1628 1555 37.23      
4 A 1608 1537 167.42      
5 A 1258 1202 103.82      
6 A 1101 1052 87.88      
7 A 692 661 9.11      
8 A 628 600 1.92      
9 A 336 321 277.69      

Unscaled Zero Point Vibrational Energy (zpe) 7269.5 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 6946.0 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/cc-pVTZ
ABC
2.70785 0.43287 0.37463

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -1.113 0.222 0.006
N2 -0.149 -0.506 0.005
N3 1.019 0.147 -0.056
H4 0.994 1.142 0.121
H5 1.822 -0.402 0.186

Atom - Atom Distances (Å)
  O1 N2 N3 H4 H5
O11.20852.13452.30203.0065
N21.20851.33952.00871.9821
N32.13451.33951.01061.0027
H42.30202.00871.01061.7533
H53.00651.98211.00271.7533

picture of Nitrosamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 N3 113.697 N2 N3 H4 116.770
N2 N3 H5 114.848 H4 N3 H5 121.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability