return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHNH2 (aminomethylene)

using model chemistry: B3LYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-94.565864
Energy at 298.15K-94.568765
HF Energy-94.565864
Nuclear repulsion energy32.698980
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*
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' 3529 3389 6.32 108.19 0.53 0.69
2 A' 3343 3210 35.24 323.80 0.29 0.45
3 A' 2898 2783 140.28 130.11 0.48 0.65
4 A' 1723 1654 5.64 32.04 0.42 0.59
5 A' 1443 1386 18.31 9.11 0.60 0.75
6 A' 1404 1348 12.90 3.65 0.55 0.71
7 A' 1079 1036 26.20 13.59 0.53 0.69
8 A" 1161 1115 9.89 1.17 0.75 0.86
9 A" 786 755 189.27 1.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8683.0 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 8338.3 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*
ABC
6.77928 1.12183 0.96255

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.793 0.000
N2 0.062 -0.524 0.000
H3 -1.013 1.086 0.000
H4 -0.748 -1.154 0.000
H5 0.950 -1.021 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.31681.11442.10872.0194
N21.31681.93581.02651.0172
H31.11441.93582.25542.8794
H42.10871.02652.25541.7030
H52.01941.01722.87941.7030

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 127.863 C1 N2 H5 119.264
N2 C1 H3 105.242 H4 N2 H5 112.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.134      
2 N -0.615      
3 H 0.089      
4 H 0.313      
5 H 0.347      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.143 -3.163 0.000 3.364
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.712 -2.030 0.000
y -2.030 -13.151 0.000
z 0.000 0.000 -13.348
Traceless
 xyz
x 1.538 -2.030 0.000
y -2.030 -0.621 0.000
z 0.000 0.000 -0.916
Polar
3z2-r2-1.833
x2-y21.439
xy-2.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.757 -0.227 0.000
y -0.227 3.745 0.000
z 0.000 0.000 1.412


<r2> (average value of r2) Å2
<r2> 19.739
(<r2>)1/2 4.443