return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CNOH3 (1,2-oxaziridine)

using model chemistry: TPSSh/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/3-21G*
 hartrees
Energy at 0K-168.839317
Energy at 298.15K-168.843618
HF Energy-168.839317
Nuclear repulsion energy71.526111
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 TPSSh/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 3227 3116 35.02      
2 A 3177 3068 4.03      
3 A 3112 3006 16.83      
4 A 1574 1520 1.56      
5 A 1365 1318 23.30      
6 A 1202 1161 25.99      
7 A 1166 1126 3.24      
8 A 1129 1091 7.55      
9 A 1037 1002 12.31      
10 A 941 909 16.50      
11 A 764 738 9.46      
12 A 751 725 2.33      

Unscaled Zero Point Vibrational Energy (zpe) 9722.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 9389.3 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 TPSSh/3-21G*
ABC
0.81190 0.74261 0.44161

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.709 -0.377 0.018
N2 -0.783 -0.458 -0.159
O3 -0.002 0.916 0.013
H4 1.149 -0.673 0.968
H5 1.272 -0.618 -0.876
H6 -1.180 -0.569 0.805

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.50491.47581.08751.08392.0553
N21.50491.58952.24692.18241.0486
O31.47581.58952.18182.18382.0538
H41.08752.24692.18181.84892.3366
H51.08392.18242.18381.84892.9732
H62.05531.04862.05382.33662.9732

picture of 1,2-oxaziridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 56.892 C1 N2 H6 105.812
C1 O3 N2 58.663 N2 C1 O3 64.445
N2 C1 H4 119.289 N2 C1 H5 113.937
O3 C1 H4 115.843 O3 C1 H5 116.272
O3 N2 H6 100.229 H4 C1 H5 116.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.054      
2 N -0.371      
3 O -0.341      
4 H 0.218      
5 H 0.245      
6 H 0.302      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.273 -1.853 1.690 2.813
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.498 -0.098 -0.208
y -0.098 2.570 -0.094
z -0.208 -0.094 2.387


<r2> (average value of r2) Å2
<r2> 35.259
(<r2>)1/2 5.938