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All results from a given calculation for HN3 (hydrogen azide)

using model chemistry: CCSD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/TZVP
 hartrees
Energy at 0K-164.446462
Energy at 298.15K 
HF Energy-163.888383
Nuclear repulsion energy61.295282
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 CCSD(T)/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' 3501 3370        
2 A' 2192 2110        
3 A' 1287 1238        
4 A' 1168 1124        
5 A' 506 487        
6 A" 534 514        

Unscaled Zero Point Vibrational Energy (zpe) 4593.4 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 4421.2 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 CCSD(T)/TZVP
ABC
19.34452 0.39885 0.39079

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.257 -1.109 0.000
N2 0.000 0.117 0.000
N3 -0.439 1.166 0.000
H4 1.272 -1.218 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.25222.37941.0203
N21.25221.13791.8434
N32.37941.13792.9345
H41.02031.84342.9345

picture of hydrogen azide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 N3 169.165 N2 N1 H4 107.990
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability