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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-146.785364
Energy at 298.15K-146.788205
HF Energy-146.785364
Nuclear repulsion energy61.405202
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 mPW1PW91/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3397 2986 13.56      
2 A1 1695 1490 0.07      
3 A1 1540 1354 0.82      
4 A1 1201 1056 1.07      
5 A2 1034 908 0.00      
6 B1 3571 3139 0.03      
7 B1 1148 1009 5.54      
8 B2 1127 991 32.45      
9 B2 955 840 7.50      

Unscaled Zero Point Vibrational Energy (zpe) 7834.2 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 6885.5 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 mPW1PW91/STO-3G
ABC
1.20209 0.76237 0.51754

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.822
N2 0.000 0.661 -0.551
N3 0.000 -0.661 -0.551
H4 0.940 0.000 1.390
H5 -0.940 0.000 1.390

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.52421.52421.09811.0981
N21.52421.32232.25572.2557
N31.52421.32232.25572.2557
H41.09812.25572.25571.8802
H51.09812.25572.25571.8802

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 64.293 C1 N3 N2 64.293
N2 C1 N3 51.413 N2 C1 H4 117.754
N2 C1 H5 117.754 N3 C1 H4 117.754
N3 C1 H5 117.754 H4 C1 H5 117.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.087      
2 N -0.062      
3 N -0.062      
4 H 0.105      
5 H 0.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.517 1.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.801 0.000 0.000
y 0.000 -18.709 0.000
z 0.000 0.000 -16.137
Traceless
 xyz
x 2.622 0.000 0.000
y 0.000 -3.240 0.000
z 0.000 0.000 0.618
Polar
3z2-r21.236
x2-y23.908
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.228 0.000 0.000
y 0.000 1.370 0.000
z 0.000 0.000 2.221


<r2> (average value of r2) Å2
<r2> 30.395
(<r2>)1/2 5.513