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

using model chemistry: CCSD/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/cc-pVTZ
 hartrees
Energy at 0K-132.368615
Energy at 298.15K-132.371400
HF Energy-131.826943
Nuclear repulsion energy63.262063
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 CCSD/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' 3388 3189 2.77      
2 A' 3385 3186 14.33      
3 A' 1776 1671 7.47      
4 A' 1395 1313 15.33      
5 A' 1096 1032 4.53      
6 A' 910 856 25.30      
7 A' 565 532 73.42      
8 A" 3325 3130 15.10      
9 A" 1175 1106 38.58      
10 A" 1003 944 15.86      
11 A" 752 707 4.27      
12 A" 602 567 3.59      

Unscaled Zero Point Vibrational Energy (zpe) 9685.6 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 9116.1 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 CCSD/cc-pVTZ
ABC
1.05990 0.81002 0.48139

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.036 0.898 0.000
C2 -0.036 -0.477 0.638
C3 -0.036 -0.477 -0.638
H4 0.931 1.223 0.000
H5 -0.119 -0.896 1.619
H6 -0.119 -0.896 -1.619

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51571.51571.02102.41842.4184
C21.51571.27622.05751.07032.2974
C31.51571.27622.05752.29741.0703
H41.02102.05752.05752.86662.8666
H52.41841.07032.29742.86663.2384
H62.41842.29741.07032.86663.2384

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 65.104 N1 C2 H5 137.862
N1 C3 C2 65.104 N1 C3 H6 137.862
C2 N1 C3 49.793 C2 N1 H4 106.780
C2 C3 H6 156.448 C3 N1 H4 106.780
C3 C2 H5 156.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability