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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-665.106398
Energy at 298.15K-665.108294
Nuclear repulsion energy150.040128
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 mPW1PW91/6-31G
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 1300 1231 380.05      
2 A1 785 743 237.10      
3 A1 389 368 42.16      
4 B1 631 597 5.28      
5 B2 1700 1609 293.84      
6 B2 386 365 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 2595.4 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 2456.8 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 mPW1PW91/6-31G
ABC
0.42566 0.15844 0.11546

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Cl1 0.000 0.000 1.316
N2 0.000 0.000 -0.635
O3 0.000 1.113 -1.121
O4 0.000 -1.113 -1.121

Atom - Atom Distances (Å)
  Cl1 N2 O3 O4
Cl11.95182.67892.6789
N21.95181.21381.2138
O32.67891.21382.2253
O42.67891.21382.2253

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 113.558 Cl1 N2 O4 113.558
O3 N2 O4 132.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Cl 0.101      
2 N 0.246      
3 O -0.173      
4 O -0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.063 0.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.559 0.000 0.000
y 0.000 -31.285 0.000
z 0.000 0.000 -28.766
Traceless
 xyz
x 2.467 0.000 0.000
y 0.000 -3.123 0.000
z 0.000 0.000 0.656
Polar
3z2-r21.311
x2-y23.726
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.260 0.000 0.000
y 0.000 4.021 0.000
z 0.000 0.000 6.648


<r2> (average value of r2) Å2
<r2> 90.422
(<r2>)1/2 9.509