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All results from a given calculation for CH2N2 (diazirine)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-148.594175
Energy at 298.15K-148.597028
HF Energy-148.594175
Nuclear repulsion energy63.149625
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 mPW1PW91/6-31G
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 3229 3057 0.31      
2 A1 1637 1549 11.66      
3 A1 1524 1442 9.69      
4 A1 1017 962 2.94      
5 A2 995 942 0.00      
6 B1 3361 3181 10.37      
7 B1 1156 1094 2.63      
8 B2 1060 1004 65.84      
9 B2 799 757 8.72      

Unscaled Zero Point Vibrational Energy (zpe) 7388.6 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 6994.0 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 mPW1PW91/6-31G
ABC
1.33183 0.77135 0.54352

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.823
N2 0.000 0.624 -0.548
N3 0.000 -0.624 -0.548
H4 0.931 0.000 1.365
H5 -0.931 0.000 1.365

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.50601.50601.07761.0776
N21.50601.24822.21702.2170
N31.50601.24822.21702.2170
H41.07762.21702.21701.8627
H51.07762.21702.21701.8627

picture of diazirine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 65.517 C1 N3 N2 65.517
N2 C1 N3 48.967 N2 C1 H4 117.245
N2 C1 H5 117.245 N3 C1 H4 117.245
N3 C1 H5 117.245 H4 C1 H5 119.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.235      
2 N -0.096      
3 N -0.096      
4 H 0.214      
5 H 0.214      


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 2.025 2.025
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.821 0.000 0.000
y 0.000 -20.486 0.000
z 0.000 0.000 -17.152
Traceless
 xyz
x 2.998 0.000 0.000
y 0.000 -3.999 0.000
z 0.000 0.000 1.001
Polar
3z2-r22.003
x2-y24.664
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.172 0.000 0.000
y 0.000 2.587 0.000
z 0.000 0.000 3.947


<r2> (average value of r2) Å2
<r2> 30.306
(<r2>)1/2 5.505