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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-146.995821
Energy at 298.15K-146.998350
HF Energy-146.995821
Nuclear repulsion energy61.804901
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 HF/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 3362 3045 9.94      
2 A1 2099 1901 653.16      
3 A1 1587 1437 69.71      
4 A1 1288 1166 2.37      
5 B1 788 714 214.53      
6 B1 643 582 5.21      
7 B2 3487 3158 1.18      
8 B2 1277 1156 4.19      
9 B2 456 413 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 7493.0 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 6785.7 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 HF/3-21G
ABC
9.54170 0.38449 0.36960

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.129
N2 0.000 0.000 0.153
N3 0.000 0.000 1.283
H4 0.000 0.936 -1.640
H5 0.000 -0.936 -1.640

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.28132.41211.06651.0665
N21.28131.13082.02192.0219
N32.41211.13083.06923.0692
H41.06652.02193.06921.8724
H51.06652.02193.06921.8724

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 118.619
N2 C1 H5 118.619 H4 C1 H5 122.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.205      
2 N -0.247      
3 N -0.050      
4 H 0.252      
5 H 0.252      


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 -1.500 1.500
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.143 0.000 0.000
y 0.000 -15.571 0.000
z 0.000 0.000 -18.831
Traceless
 xyz
x -1.942 0.000 0.000
y 0.000 3.416 0.000
z 0.000 0.000 -1.474
Polar
3z2-r2-2.948
x2-y2-3.572
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.984 0.000 0.000
y 0.000 1.871 0.000
z 0.000 0.000 6.276


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