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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-147.855526
Energy at 298.15K-147.857898
HF Energy-147.855526
Nuclear repulsion energy60.879214
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 mPW1PW91/3-21G*
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 3229 3066 16.24      
2 A1 2103 1997 287.93      
3 A1 1466 1392 32.24      
4 A1 1207 1146 0.00      
5 B1 627 595 204.91      
6 B1 578 549 3.40      
7 B2 3347 3179 0.28      
8 B2 1144 1086 0.75      
9 B2 430 408 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 7065.5 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 6709.4 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 mPW1PW91/3-21G*
ABC
9.36046 0.37324 0.35893

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.144
N2 0.000 0.000 0.150
N3 0.000 0.000 1.305
H4 0.000 0.945 -1.662
H5 0.000 -0.945 -1.662

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.29322.44871.07791.0779
N21.29321.15552.04302.0430
N32.44871.15553.11373.1137
H41.07792.04303.11371.8905
H51.07792.04303.11371.8905

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 118.724
N2 C1 H5 118.724 H4 C1 H5 122.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 N -0.184      
3 N -0.080      
4 H 0.257      
5 H 0.257      


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 -1.612 1.612
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.851 0.000 0.000
y 0.000 -15.245 0.000
z 0.000 0.000 -18.250
Traceless
 xyz
x -2.104 0.000 0.000
y 0.000 3.306 0.000
z 0.000 0.000 -1.202
Polar
3z2-r2-2.404
x2-y2-3.607
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.056 0.000 0.000
y 0.000 1.915 0.000
z 0.000 0.000 5.999


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