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All results from a given calculation for CHNCH2 (2H-Azirine)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-132.062416
Energy at 298.15K-132.065330
HF Energy-131.758410
Nuclear repulsion energy61.058983
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/LANL2DZ
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' 3279 3158 3.41      
2 A' 3150 3034 17.19      
3 A' 1542 1485 1.14      
4 A' 1447 1394 4.31      
5 A' 1190 1146 17.36      
6 A' 1042 1004 16.67      
7 A' 963 927 44.70      
8 A' 562 541 3.14      
9 A" 3278 3157 22.99      
10 A" 1112 1071 0.46      
11 A" 950 914 0.88      
12 A" 751 723 27.45      

Unscaled Zero Point Vibrational Energy (zpe) 9632.1 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 9276.7 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/LANL2DZ
ABC
1.09696 0.67725 0.45905

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.911 -0.169 0.000
C2 0.000 0.782 0.000
C3 0.700 -0.564 0.000
H4 0.061 1.866 0.000
H5 1.059 -0.995 0.937
H6 1.059 -0.995 -0.937

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.31731.65882.25562.33322.3332
C21.31731.51721.08552.27152.2715
C31.65881.51722.51241.09211.0921
H42.25561.08552.51243.17193.1719
H52.33322.27151.09213.17191.8731
H62.33322.27151.09213.17191.8731

picture of 2H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 71.239 N1 C2 H4 139.471
N1 C3 C2 48.761 N1 C3 H5 114.450
N1 C3 H6 114.450 C2 N1 C3 60.000
C2 C3 N1 48.761 C2 C3 H5 120.162
C2 C3 H6 120.162 C3 C2 H4 149.290
H5 C3 H6 118.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability