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All results from a given calculation for CHNH2 (aminomethylene)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-94.515937
Energy at 298.15K-94.512009
HF Energy-94.579296
Nuclear repulsion energy32.808590
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 B3LYP/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3542 3418 9.69 97.65 0.56 0.71
2 A' 3380 3262 19.37 272.68 0.27 0.42
3 A' 2900 2799 111.52 122.05 0.45 0.62
4 A' 1688 1629 6.97 26.40 0.43 0.60
5 A' 1439 1389 15.06 9.05 0.44 0.61
6 A' 1394 1345 9.87 3.51 0.61 0.76
7 A' 1070 1033 23.89 10.23 0.50 0.67
8 A" 1159 1118 9.12 0.97 0.75 0.86
9 A" 798 770 143.47 1.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8684.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 8380.8 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 B3LYP/6-31G(2df,p)
ABC
6.81711 1.12948 0.96894

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.063 0.789 0.000
N2 0.063 -0.523 0.000
H3 -1.010 1.087 0.000
H4 -0.749 -1.143 0.000
H5 0.945 -1.022 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.31221.11352.09572.0147
N21.31221.93451.02121.0136
H31.11351.93452.24512.8758
H42.09571.02122.24511.6979
H52.01471.01362.87581.6979

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 127.402 C1 N2 H5 119.515
N2 C1 H3 105.496 H4 N2 H5 113.083
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 N -0.316      
3 H 0.088      
4 H 0.244      
5 H 0.268      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.099 -3.157 0.000 3.343
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 19.667
(<r2>)1/2 4.435