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All results from a given calculation for CHNH2 (aminomethylene)

using model chemistry: HF/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-31G
 hartrees
Energy at 0K-16.792055
Energy at 298.15K-16.795019
HF Energy-16.792055
Nuclear repulsion energy19.172734
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 HF/CEP-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 A' 3927 3540 26.43 67.15 0.71 0.83
2 A' 3777 3404 5.32 159.22 0.19 0.31
3 A' 3124 2816 190.98 149.94 0.44 0.61
4 A' 1868 1684 58.56 13.44 0.41 0.58
5 A' 1515 1366 58.93 13.39 0.63 0.77
6 A' 1438 1296 68.22 8.24 0.25 0.40
7 A' 1148 1035 25.29 7.60 0.75 0.86
8 A" 1173 1057 23.37 0.26 0.75 0.86
9 A" 944 851 366.83 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9456.9 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 8524.5 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 HF/CEP-31G
ABC
6.91742 1.08272 0.93619

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.803 0.000
N2 0.062 -0.543 0.000
H3 -0.996 1.132 0.000
H4 -0.751 -1.131 0.000
H5 0.940 -1.020 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.34651.10802.09852.0235
N21.34651.98121.00370.9991
H31.10801.98122.27612.8944
H42.09851.00372.27611.6952
H52.02350.99912.89441.6952

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 125.861 C1 N2 H5 118.485
N2 C1 H3 107.239 H4 N2 H5 115.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 N -0.527      
3 H 0.046      
4 H 0.312      
5 H 0.344      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.723 -3.093 0.000 3.540
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.998 -2.653 0.000
y -2.653 -13.778 0.000
z 0.000 0.000 -13.905
Traceless
 xyz
x 1.843 -2.653 0.000
y -2.653 -0.827 0.000
z 0.000 0.000 -1.017
Polar
3z2-r2-2.033
x2-y21.780
xy-2.653
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.434 -0.231 0.000
y -0.231 3.509 0.000
z 0.000 0.000 1.723


<r2> (average value of r2) Å2
<r2> 18.393
(<r2>)1/2 4.289