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

using model chemistry: CISD/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 CISD/cc-pVDZ
 hartrees
Energy at 0K-132.191270
Energy at 298.15K-132.194111
HF Energy-131.787591
Nuclear repulsion energy63.089124
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 CISD/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' 3448 3179 3.53      
2 A' 3439 3170 23.22      
3 A' 1837 1694 5.54      
4 A' 1422 1310 13.73      
5 A' 1133 1044 5.03      
6 A' 931 858 21.81      
7 A' 592 546 71.94      
8 A" 3386 3121 17.35      
9 A" 1206 1112 38.72      
10 A" 1011 932 14.26      
11 A" 783 722 4.05      
12 A" 632 582 5.09      

Unscaled Zero Point Vibrational Energy (zpe) 9909.1 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 9134.2 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 CISD/cc-pVDZ
ABC
1.04698 0.81174 0.47960

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.037 0.897 0.000
C2 -0.037 -0.475 0.642
C3 -0.037 -0.475 -0.642
H4 0.937 1.222 0.000
H5 -0.115 -0.901 1.631
H6 -0.115 -0.901 -1.631

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.51461.51461.02712.42882.4288
C21.51461.28312.05891.08012.3136
C31.51461.28312.05892.31361.0801
H41.02712.05892.05892.87622.8762
H52.42881.08012.31362.87623.2624
H62.42882.31361.08012.87623.2624

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 64.939 N1 C2 H5 138.174
N1 C3 C2 64.939 N1 C3 H6 138.174
C2 N1 C3 50.121 C2 N1 H4 106.627
C2 C3 H6 156.375 C3 N1 H4 106.627
C3 C2 H5 156.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability