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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: mPW1PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-148.752934
Energy at 298.15K-148.755206
HF Energy-148.752934
Nuclear repulsion energy61.702123
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/cc-pVTZ
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 3211 3080 15.39      
2 A1 2248 2156 424.87      
3 A1 1445 1386 37.27      
4 A1 1232 1182 3.22      
5 B1 597 573 2.65      
6 B1 443 425 139.67      
7 B2 3337 3201 3.01      
8 B2 1120 1074 1.47      
9 B2 439 421 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 7035.8 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 6748.7 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/cc-pVTZ
ABC
9.24555 0.38389 0.36859

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.133
N2 0.000 0.000 0.155
N3 0.000 0.000 1.283
H4 0.000 0.951 -1.634
H5 0.000 -0.951 -1.634

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.28742.41561.07541.0754
N21.28741.12812.02642.0264
N32.41561.12813.06863.0686
H41.07542.02643.06861.9022
H51.07542.02643.06861.9022

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 117.819
N2 C1 H5 117.819 H4 C1 H5 124.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 N 0.169      
3 N -0.109      
4 H 0.116      
5 H 0.116      


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 -1.577 1.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.958 0.000 0.000
y 0.000 -15.376 0.000
z 0.000 0.000 -18.551
Traceless
 xyz
x -1.994 0.000 0.000
y 0.000 3.379 0.000
z 0.000 0.000 -1.384
Polar
3z2-r2-2.768
x2-y2-3.582
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.353 0.000 0.000
y 0.000 2.622 0.000
z 0.000 0.000 6.868


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