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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: PBEPBE/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 PBEPBE/3-21G*
 hartrees
Energy at 0K-147.735113
Energy at 298.15K-147.737375
HF Energy-147.735113
Nuclear repulsion energy60.146830
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 PBEPBE/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 3135 2990 15.52      
2 A1 2019 1925 201.20      
3 A1 1405 1340 29.40      
4 A1 1153 1099 0.03      
5 B1 551 525 40.30      
6 B1 533 508 153.58      
7 B2 3247 3096 0.36      
8 B2 1086 1035 0.42      
9 B2 412 393 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 6769.8 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 6455.0 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 PBEPBE/3-21G*
ABC
9.21892 0.36427 0.35043

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.156
N2 0.000 0.000 0.149
N3 0.000 0.000 1.323
H4 0.000 0.952 -1.681
H5 0.000 -0.952 -1.681

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.30502.47881.08741.0874
N21.30501.17382.06272.0627
N32.47881.17383.15093.1509
H41.08742.06273.15091.9049
H51.08742.06273.15091.9049

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 118.848
N2 C1 H5 118.848 H4 C1 H5 122.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.239      
2 N -0.163      
3 N -0.083      
4 H 0.243      
5 H 0.243      


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 -1.613 1.613
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.826 0.000 0.000
y 0.000 -15.259 0.000
z 0.000 0.000 -18.127
Traceless
 xyz
x -2.133 0.000 0.000
y 0.000 3.217 0.000
z 0.000 0.000 -1.084
Polar
3z2-r2-2.169
x2-y2-3.567
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.084 0.000 0.000
y 0.000 1.970 0.000
z 0.000 0.000 6.025


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