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All results from a given calculation for CHNHCH (1H-Azirine)

using model chemistry: MP4/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/cc-pVDZ
 hartrees
Energy at 0K-132.260827
Energy at 298.15K-132.263456
HF Energy-131.783625
Nuclear repulsion energy62.193482
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 MP4/cc-pVDZ
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' 3354 3243        
2 A' 3293 3184        
3 A' 1710 1653        
4 A' 1374 1329        
5 A' 1064 1029        
6 A' 864 835        
7 A' 510 493        
8 A" 3297 3188        
9 A" 1154 1115        
10 A" 950 918        
11 A" 682 659        
12 A" 520 503        

Unscaled Zero Point Vibrational Energy (zpe) 9385.6 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 9074.9 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 MP4/cc-pVDZ
ABC
1.01907 0.78637 0.46591

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.914 0.000
C2 -0.037 -0.482 0.651
C3 -0.037 -0.482 -0.651
H4 0.956 1.215 0.000
H5 -0.124 -0.915 1.646
H6 -0.124 -0.915 -1.646

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.54061.54061.03842.46192.4619
C21.54061.30282.07191.08802.3392
C31.54061.30282.07192.33921.0880
H41.03842.07192.07192.90062.9006
H52.46191.08802.33922.90063.2916
H62.46192.33921.08802.90063.2916

picture of 1H-Azirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 64.987 N1 C2 H5 138.322
N1 C3 C2 64.987 N1 C3 H6 138.322
C2 N1 C3 50.025 C2 N1 H4 105.242
C2 C3 H6 156.068 C3 N1 H4 105.242
C3 C2 H5 156.068
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability