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: QCISD(T)/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD(T)/TZVP
 hartrees
Energy at 0K-169.434610
Energy at 298.15K-169.438982
HF Energy-168.867311
Nuclear repulsion energy74.325887
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 QCISD(T)/TZVP
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 3405 3280        
2 A 3206 3088        
3 A 3107 2993        
4 A 1569 1512        
5 A 1341 1292        
6 A 1267 1221        
7 A 1245 1199        
8 A 1233 1187        
9 A 1097 1056        
10 A 980 944        
11 A 893 860        
12 A 710 684        

Unscaled Zero Point Vibrational Energy (zpe) 10026.6 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 9657.6 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 QCISD(T)/TZVP
ABC
0.88040 0.80080 0.48122

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.671 -0.368 0.017
N2 -0.762 -0.418 -0.161
O3 0.015 0.871 0.019
H4 1.098 -0.681 0.968
H5 1.258 -0.598 -0.868
H6 -1.167 -0.557 0.771

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.44451.40211.08861.08611.9955
N21.44451.51562.19192.14741.0258
O31.40211.51562.11682.11892.0005
H41.08862.19192.11681.84422.2773
H51.08612.14742.11891.84422.9269
H61.99551.02582.00052.27732.9269

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 56.486 C1 N2 H6 106.527
C1 O3 N2 59.199 N2 C1 O3 64.315
N2 C1 H4 119.170 N2 C1 H5 115.383
O3 C1 H4 115.828 O3 C1 H5 116.192
O3 N2 H6 102.121 H4 C1 H5 115.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability