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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-148.682757
Energy at 298.15K-148.685010
HF Energy-148.682757
Nuclear repulsion energy61.214850
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 B3PW91/6-31G**
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 3219 3085 15.41      
2 A1 2253 2159 341.44      
3 A1 1451 1390 30.02      
4 A1 1238 1187 0.46      
5 B1 587 563 1.41      
6 B1 451 432 149.08      
7 B2 3344 3205 2.05      
8 B2 1114 1067 1.26      
9 B2 430 412 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 7042.9 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 6749.9 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 B3PW91/6-31G**
ABC
9.20806 0.37799 0.36308

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.139
N2 0.000 0.000 0.152
N3 0.000 0.000 1.295
H4 0.000 0.953 -1.646
H5 0.000 -0.953 -1.646

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.29072.43451.07961.0796
N21.29071.14382.03492.0349
N32.43451.14383.09223.0922
H41.07962.03493.09221.9061
H51.07962.03493.09221.9061

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 118.022
N2 C1 H5 118.022 H4 C1 H5 123.957
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.283      
2 N 0.164      
3 N -0.225      
4 H 0.172      
5 H 0.172      


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 -1.737 1.737
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.656 0.000 0.000
y 0.000 -15.172 0.000
z 0.000 0.000 -18.308
Traceless
 xyz
x -1.915 0.000 0.000
y 0.000 3.310 0.000
z 0.000 0.000 -1.395
Polar
3z2-r2-2.789
x2-y2-3.484
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.565 0.000 0.000
y 0.000 2.266 0.000
z 0.000 0.000 6.440


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