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All results from a given calculation for CHNCH2 (2H-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-132.321581
Energy at 298.15K-132.324575
HF Energy-131.844566
Nuclear repulsion energy62.756176
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' 3232 3125        
2 A' 3124 3020        
3 A' 1638 1584        
4 A' 1492 1443        
5 A' 1294 1251        
6 A' 1022 988        
7 A' 981 948        
8 A' 646 625        
9 A" 3225 3118        
10 A" 1096 1060        
11 A" 968 936        
12 A" 758 733        

Unscaled Zero Point Vibrational Energy (zpe) 9737.3 cm-1
Scaled (by 0.9669) Zero Point Vibrational Energy (zpe) 9415.0 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
1.14744 0.72543 0.48988

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 -0.878 -0.175 0.000
C2 0.000 0.758 0.000
C3 0.667 -0.539 0.000
H4 0.038 1.853 0.000
H5 1.052 -0.970 0.934
H6 1.052 -0.970 -0.934

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.28091.58702.22502.28672.2867
C21.28091.45831.09562.22832.2283
C31.58701.45832.47311.09861.0986
H42.22501.09562.47313.14183.1418
H52.28672.22831.09863.14181.8683
H62.28672.22831.09863.14181.8683

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 70.474 N1 C2 H4 138.722
N1 C3 C2 49.526 N1 C3 H5 115.540
N1 C3 H6 115.540 C2 N1 C3 60.000
C2 C3 N1 49.526 C2 C3 H5 120.625
C2 C3 H6 120.625 C3 C2 H4 150.804
H5 C3 H6 116.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability