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All results from a given calculation for ClNO2 (Nitryl chloride)

using model chemistry: CCSD(T)/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/6-31G*
 hartrees
Energy at 0K-664.190512
Energy at 298.15K-664.192402
HF Energy-663.464025
Nuclear repulsion energy 
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)/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1324 1274        
2 A1 784 754        
3 A1 359 346        
4 B1 647 623        
5 B2 1757 1690        
6 B2 408 392        

Unscaled Zero Point Vibrational Energy (zpe) 2639.8 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 2539.7 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)/6-31G*
ABC
0.43214 0.16708 0.12049

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 1.281
N2 0.000 0.000 -0.604
O3 0.000 1.104 -1.096
O4 0.000 -1.104 -1.096

Atom - Atom Distances (Å)
  Cl1 N2 O3 O4
Cl11.88442.62112.6211
N21.88441.20921.2092
O32.62111.20922.2086
O42.62111.20922.2086

picture of Nitryl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 N2 O3 114.045 Cl1 N2 O4 114.045
O3 N2 O4 131.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability