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All results from a given calculation for CHNCH2 (2H-Azirine)

using model chemistry: MP4=FULL/aug-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=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-132.354438
Energy at 298.15K-132.357418
HF Energy-131.851946
Nuclear repulsion energy62.694812
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=FULL/aug-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' 3231 3151        
2 A' 3120 3042        
3 A' 1617 1577        
4 A' 1487 1450        
5 A' 1272 1241        
6 A' 1022 997        
7 A' 978 954        
8 A' 629 613        
9 A" 3222 3142        
10 A" 1086 1059        
11 A" 962 938        
12 A" 748 729        

Unscaled Zero Point Vibrational Energy (zpe) 9686.7 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 9446.5 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=FULL/aug-cc-pVDZ
ABC
1.14662 0.72284 0.48845

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.879 -0.175 0.000
C2 0.000 0.759 0.000
C3 0.670 -0.540 0.000
H4 0.036 1.851 0.000
H5 1.049 -0.970 0.933
H6 1.049 -0.970 -0.933

Atom - Atom Distances (Å)
  N1 C2 C3 H4 H5 H6
N11.28231.59182.22252.28552.2855
C21.28231.46181.09252.22752.2275
C31.59181.46182.47371.09531.0953
H42.22251.09252.47373.13933.1393
H52.28552.22751.09533.13931.8666
H62.28552.22751.09533.13931.8666

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 70.565 N1 C2 H4 138.606
N1 C3 C2 49.435 N1 C3 H5 115.301
N1 C3 H6 115.301 C2 N1 C3 60.000
C2 C3 N1 49.435 C2 C3 H5 120.497
C2 C3 H6 120.497 C3 C2 H4 150.829
H5 C3 H6 116.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability