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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: HF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-147.859376
Energy at 298.15K-147.861778
HF Energy-147.859376
Nuclear repulsion energy62.095361
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/cc-pVDZ
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 3355 3047 13.04      
2 A1 2321 2108 806.07      
3 A1 1544 1402 74.71      
4 A1 1300 1180 24.05      
5 B1 659 598 3.26      
6 B1 534 485 168.75      
7 B2 3499 3177 0.76      
8 B2 1219 1107 4.07      
9 B2 449 408 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 7439.6 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 6755.2 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 HF/cc-pVDZ
ABC
9.19057 0.38870 0.37292

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

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 0.160
N3 0.000 0.000 1.272
H4 0.000 0.954 -1.625
H5 0.000 -0.954 -1.625

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.28812.40051.07531.0753
N21.28811.11242.02332.0233
N32.40051.11243.04983.0498
H41.07532.02333.04981.9079
H51.07532.02333.04981.9079

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 117.482
N2 C1 H5 117.482 H4 C1 H5 125.036
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.140      
2 N 0.116      
3 N -0.131      
4 H 0.077      
5 H 0.077      


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 -1.294 1.294
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.130 0.000 0.000
y 0.000 -15.464 0.000
z 0.000 0.000 -18.800
Traceless
 xyz
x -1.998 0.000 0.000
y 0.000 3.501 0.000
z 0.000 0.000 -1.503
Polar
3z2-r2-3.005
x2-y2-3.666
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.660 0.000 0.000
y 0.000 2.190 0.000
z 0.000 0.000 6.670


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