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

using model chemistry: CID/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 CID/cc-pVDZ
 hartrees
Energy at 0K-132.189055
Energy at 298.15K-132.191909
HF Energy-131.787720
Nuclear repulsion energy63.142286
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 CID/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' 3452 3189 5.97      
2 A' 3447 3185 19.84      
3 A' 1844 1704 5.41      
4 A' 1424 1316 13.93      
5 A' 1140 1053 5.29      
6 A' 935 864 21.85      
7 A' 593 548 72.35      
8 A" 3389 3131 17.45      
9 A" 1210 1118 38.53      
10 A" 1015 938 14.33      
11 A" 790 730 4.13      
12 A" 644 595 4.71      

Unscaled Zero Point Vibrational Energy (zpe) 9940.9 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 9185.4 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 CID/cc-pVDZ
ABC
1.04822 0.81364 0.48047

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.896 0.000
C2 -0.037 -0.474 0.641
C3 -0.037 -0.474 -0.641
H4 0.936 1.222 0.000
H5 -0.116 -0.900 1.631
H6 -0.116 -0.900 -1.631

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51281.51281.02662.42712.4271
C21.51281.28232.05801.08002.3126
C31.51281.28232.05802.31261.0800
H41.02662.05802.05802.87552.8755
H52.42711.08002.31262.87553.2611
H62.42712.31261.08002.87553.2611

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 64.924 N1 C2 H5 138.198
N1 C3 C2 64.924 N1 C3 H6 138.198
C2 N1 C3 50.153 C2 N1 H4 106.709
C2 C3 H6 156.358 C3 N1 H4 106.709
C3 C2 H5 156.358
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability