return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2NN (diazomethane)

using model chemistry: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-148.657753
Energy at 298.15K-148.659987
HF Energy-148.657753
Nuclear repulsion energy59.985816
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 BLYP/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 3142 3118 11.78      
2 A1 2050 2035 220.32      
3 A1 1425 1415 28.75      
4 A1 1161 1152 0.01      
5 B1 556 552 128.78      
6 B1 501 497 34.57      
7 B2 3258 3233 0.01      
8 B2 1108 1100 1.81      
9 B2 398 395 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 6799.3 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 6747.7 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 BLYP/6-31G
ABC
9.22743 0.36210 0.34843

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.160
N2 0.000 0.000 0.149
N3 0.000 0.000 1.327
H4 0.000 0.952 -1.684
H5 0.000 -0.952 -1.684

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.30862.48681.08661.0866
N21.30861.17822.06492.0649
N32.48681.17823.15753.1575
H41.08662.06493.15751.9041
H51.08662.06493.15751.9041

picture of diazomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 N3 180.000 N2 C1 H4 118.817
N2 C1 H5 118.817 H4 C1 H5 122.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.192      
2 N -0.043      
3 N -0.093      
4 H 0.164      
5 H 0.164      


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 -1.893 1.893
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.790 0.000 0.000
y 0.000 -15.383 0.000
z 0.000 0.000 -18.936
Traceless
 xyz
x -1.631 0.000 0.000
y 0.000 3.480 0.000
z 0.000 0.000 -1.849
Polar
3z2-r2-3.698
x2-y2-3.407
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.344 0.000 0.000
y 0.000 2.132 0.000
z 0.000 0.000 6.592


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000