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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-147.811807
Energy at 298.15K-147.814596
HF Energy-147.811807
Nuclear repulsion energy62.192874
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 mPW1PW91/3-21G
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 3218 3072 0.00      
2 A1 1543 1473 0.35      
3 A1 1402 1338 13.46      
4 A1 928 886 5.79      
5 A2 971 927 0.00      
6 B1 3355 3203 5.73      
7 B1 1107 1057 2.07      
8 B2 992 947 83.30      
9 B2 741 708 2.69      

Unscaled Zero Point Vibrational Energy (zpe) 7128.2 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 6804.6 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 mPW1PW91/3-21G
ABC
1.29827 0.74378 0.52532

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.845
N2 0.000 0.633 -0.558
N3 0.000 -0.633 -0.558
H4 0.940 0.000 1.371
H5 -0.940 0.000 1.371

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.53841.53841.07701.0770
N21.53841.26512.23672.2367
N31.53841.26512.23672.2367
H41.07702.23672.23671.8793
H51.07702.23672.23671.8793

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.723 C1 N3 N2 65.723
N2 C1 N3 48.554 N2 C1 H4 116.450
N2 C1 H5 116.450 N3 C1 H4 116.450
N3 C1 H5 116.450 H4 C1 H5 121.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.269      
2 N -0.131      
3 N -0.131      
4 H 0.265      
5 H 0.265      


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 1.962 1.962
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.793 0.000 0.000
y 0.000 -20.431 0.000
z 0.000 0.000 -16.881
Traceless
 xyz
x 2.863 0.000 0.000
y 0.000 -4.094 0.000
z 0.000 0.000 1.231
Polar
3z2-r22.462
x2-y24.638
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.016 0.000 0.000
y 0.000 2.306 0.000
z 0.000 0.000 3.715


<r2> (average value of r2) Å2
<r2> 30.818
(<r2>)1/2 5.551