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: MP2/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-169.492627
Energy at 298.15K-169.497031
HF Energy-168.875650
Nuclear repulsion energy74.739778
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/cc-pVTZ
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 3453 3279 1.05      
2 A 3243 3080 17.86      
3 A 3138 2979 25.89      
4 A 1557 1479 1.02      
5 A 1366 1297 24.21      
6 A 1270 1206 30.26      
7 A 1254 1191 11.98      
8 A 1228 1166 3.11      
9 A 1098 1043 10.71      
10 A 979 930 17.68      
11 A 920 873 27.19      
12 A 765 726 2.67      

Unscaled Zero Point Vibrational Energy (zpe) 10135.5 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 9623.7 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/cc-pVTZ
ABC
0.88387 0.81538 0.48723

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.686 -0.337 0.017
N2 -0.735 -0.448 -0.160
O3 -0.030 0.865 0.019
H4 1.125 -0.625 0.965
H5 1.277 -0.537 -0.868
H6 -1.126 -0.605 0.770

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.43651.39941.08401.08211.9801
N21.43651.50132.18172.13471.0214
O31.39941.50132.10972.11221.9810
H41.08402.18172.10971.84062.2592
H51.08212.13472.11221.84062.9083
H61.98011.02141.98102.25922.9083

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 56.845 C1 N2 H6 106.104
C1 O3 N2 59.246 N2 C1 O3 63.909
N2 C1 H4 119.233 N2 C1 H5 115.178
O3 C1 H4 115.733 O3 C1 H5 116.092
O3 N2 H6 101.803 H4 C1 H5 116.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability