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All results from a given calculation for ClONO (chlorine nitrite)

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 1A'
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-660.782294
Energy at 298.15K-660.783575
HF Energy-660.215354
Nuclear repulsion energy146.230701
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 MP2=FULL/3-21G*
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' 1275 1209 102.04      
2 A' 776 736 23.21      
3 A' 608 576 15.69      
4 A' 435 413 145.12      
5 A' 236 224 0.62      
6 A" 292 277 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 1811.3 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 1717.1 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 MP2=FULL/3-21G*
ABC
0.51349 0.14398 0.11245

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 -1.260 -0.189 0.000
O2 0.000 1.043 0.000
N3 1.463 0.307 0.000
O4 1.397 -0.911 0.000

Atom - Atom Distances (Å)
  Cl1 O2 N3 O4
Cl11.76162.76782.7535
O21.76161.63752.4017
N32.76781.63751.2200
O42.75352.40171.2200

picture of chlorine nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl1 O2 N3 108.980 O2 N3 O4 113.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability