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

using model chemistry: CCSD/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/6-31G*
 hartrees
Energy at 0K-664.158905
Energy at 298.15K-664.160907
HF Energy-663.469043
Nuclear repulsion energy154.833785
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/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 1373 1297 351.29      
2 A1 819 774 220.06      
3 A1 417 393 39.34      
4 B1 681 643 8.51      
5 B2 1790 1691 379.99      
6 B2 432 408 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 2756.3 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 2602.8 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/6-31G*
ABC
0.43923 0.17370 0.12448

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 1.272
N2 0.000 0.000 -0.605
O3 0.000 1.096 -1.087
O4 0.000 -1.096 -1.087

Atom - Atom Distances (Å)
  Cl1 N2 O3 O4
Cl11.87762.60182.6018
N21.87761.19771.1977
O32.60181.19772.1929
O42.60181.19772.1929

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 113.724 Cl1 N2 O4 113.724
O3 N2 O4 132.551
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability