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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-148.735945
Energy at 298.15K-148.738218
HF Energy-148.735945
Nuclear repulsion energy61.758212
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 B1B95/aug-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 3214 3081 16.01      
2 A1 2238 2145 466.32      
3 A1 1442 1382 37.74      
4 A1 1230 1179 4.08      
5 B1 596 571 5.43      
6 B1 446 427 130.89      
7 B2 3339 3200 2.99      
8 B2 1115 1068 2.31      
9 B2 439 421 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 7028.8 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 6737.1 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 B1B95/aug-cc-pVTZ
ABC
9.27922 0.38451 0.36921

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.140
N2 0.000 0.000 0.137
N3 0.000 0.000 1.312
H4 0.000 0.922 -1.653
H5 0.000 -0.922 -1.653

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.27702.45161.05491.0549
N21.27701.17462.01352.0135
N32.45161.17463.10473.1047
H41.05492.01353.10471.8434
H51.05492.01353.10471.8434

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 119.105
N2 C1 H5 119.105 H4 C1 H5 121.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.867      
2 N 0.536      
3 N -0.563      
4 H 0.447      
5 H 0.447      


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 -1.593 1.593
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.183 0.000 0.000
y 0.000 -15.553 0.000
z 0.000 0.000 -18.797
Traceless
 xyz
x -2.008 0.000 0.000
y 0.000 3.437 0.000
z 0.000 0.000 -1.429
Polar
3z2-r2-2.858
x2-y2-3.630
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.285 0.000 0.000
y 0.000 3.184 0.000
z 0.000 0.000 7.433


<r2> (average value of r2) Å2
<r2> 37.639
(<r2>)1/2 6.135