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

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-132.233021
Energy at 298.15K-132.235644
HF Energy-131.771285
Nuclear repulsion energy62.624341
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 MP4/6-31G*
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' 3370 3218        
2 A' 3273 3125        
3 A' 1744 1665        
4 A' 1404 1340        
5 A' 1087 1038        
6 A' 888 848        
7 A' 511 488        
8 A" 3313 3163        
9 A" 1174 1121        
10 A" 973 929        
11 A" 663 633        
12 A" 526 502        

Unscaled Zero Point Vibrational Energy (zpe) 9462.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 9034.9 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 MP4/6-31G*
ABC
1.03857 0.79385 0.47212

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.035 0.907 0.000
C2 -0.035 -0.481 0.645
C3 -0.035 -0.481 -0.645
H4 0.948 1.232 0.000
H5 -0.144 -0.904 1.632
H6 -0.144 -0.904 -1.632

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.53091.53091.03502.44062.4406
C21.53091.28982.07781.07942.3185
C31.53091.28982.07782.31851.0794
H41.03502.07782.07782.90152.9015
H52.44061.07942.31852.90153.2642
H62.44062.31851.07942.90153.2642

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 65.086 N1 C2 H5 137.780
N1 C3 C2 65.086 N1 C3 H6 137.780
C2 N1 C3 49.829 C2 N1 H4 106.539
C2 C3 H6 156.137 C3 N1 H4 106.539
C3 C2 H5 156.137
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability