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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-148.695966
Energy at 298.15K-148.698221
HF Energy-148.695966
Nuclear repulsion energy61.335361
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 mPW1PW91/6-31G*
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 3246 3079 14.54      
2 A1 2270 2153 360.63      
3 A1 1470 1394 30.93      
4 A1 1251 1187 0.56      
5 B1 594 563 1.34      
6 B1 448 425 157.59      
7 B2 3367 3193 1.71      
8 B2 1132 1074 1.20      
9 B2 432 410 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 7106.1 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 6738.7 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 mPW1PW91/6-31G*
ABC
9.22170 0.37955 0.36454

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.137
N2 0.000 0.000 0.152
N3 0.000 0.000 1.293
H4 0.000 0.952 -1.644
H5 0.000 -0.952 -1.644

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.28842.42941.07871.0787
N21.28841.14102.03212.0321
N32.42941.14103.08673.0867
H41.07872.03213.08671.9047
H51.07872.03213.08671.9047

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 118.017
N2 C1 H5 118.017 H4 C1 H5 123.965
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.397      
2 N 0.184      
3 N -0.221      
4 H 0.217      
5 H 0.217      


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 -1.732 1.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.714 0.000 0.000
y 0.000 -15.158 0.000
z 0.000 0.000 -18.287
Traceless
 xyz
x -1.991 0.000 0.000
y 0.000 3.342 0.000
z 0.000 0.000 -1.350
Polar
3z2-r2-2.701
x2-y2-3.555
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.542 0.000 0.000
y 0.000 2.222 0.000
z 0.000 0.000 6.402


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