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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-147.737380
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 3107 15.52      
2 A1 2019 2001 201.20      
3 A1 1405 1392 29.40      
4 A1 1153 1142 0.03      
5 B1 551 546 40.30      
6 B1 533 528 153.58      
7 B2 3247 3217 0.36      
8 B2 1086 1076 0.42      
9 B2 412 408 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 6769.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 6708.2 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