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All results from a given calculation for CH2NN (diazomethane)

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-148.399385
Energy at 298.15K-148.401634
HF Energy-147.860402
Nuclear repulsion energy61.475621
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 CCD/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3266 3094 22.09      
2 A1 2317 2195 458.69      
3 A1 1477 1399 29.16      
4 A1 1234 1169 2.21      
5 B1 608 576 1.43      
6 B1 406 384 129.03      
7 B2 3403 3223 2.98      
8 B2 1153 1093 2.05      
9 B2 447 423 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 7155.4 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 6777.6 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 CCD/6-31G(2df,p)
ABC
9.19076 0.38086 0.36570

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.139
N2 0.000 0.000 0.155
N3 0.000 0.000 1.288
H4 0.000 0.954 -1.634
H5 0.000 -0.954 -1.634

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.29452.42691.07461.0746
N21.29451.13242.02762.0276
N32.42691.13243.07343.0734
H41.07462.02763.07341.9079
H51.07462.02763.07341.9079

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 117.409
N2 C1 H5 117.409 H4 C1 H5 125.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability