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: HSEh1PBE/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 HSEh1PBE/6-31G*
 hartrees
Energy at 0K-94.455507
Energy at 298.15K-94.458417
HF Energy-94.455507
Nuclear repulsion energy32.799503
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 HSEh1PBE/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' 3578 3403 9.38 105.82 0.56 0.72
2 A' 3401 3234 24.92 302.91 0.28 0.44
3 A' 2929 2786 135.53 129.40 0.47 0.64
4 A' 1731 1646 7.62 29.39 0.43 0.60
5 A' 1468 1396 12.78 7.17 0.47 0.64
6 A' 1411 1342 20.41 6.40 0.66 0.79
7 A' 1084 1031 26.49 11.91 0.55 0.71
8 A" 1169 1112 10.53 1.21 0.75 0.86
9 A" 802 763 198.49 0.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8786.2 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 8355.7 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 HSEh1PBE/6-31G*
ABC
6.79500 1.13022 0.96904

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.790 0.000
N2 0.062 -0.522 0.000
H3 -1.012 1.082 0.000
H4 -0.747 -1.149 0.000
H5 0.948 -1.017 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.31201.11352.10072.0126
N21.31201.93071.02341.0150
H31.11351.93072.24642.8723
H42.10071.02342.24641.7004
H52.01261.01502.87231.7004

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 127.753 C1 N2 H5 119.188
N2 C1 H3 105.209 H4 N2 H5 113.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 N -0.653      
3 H 0.107      
4 H 0.333      
5 H 0.366      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.187 -3.211 0.000 3.424
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.637 -2.067 0.000
y -2.067 -13.113 0.000
z 0.000 0.000 -13.387
Traceless
 xyz
x 1.613 -2.067 0.000
y -2.067 -0.601 0.000
z 0.000 0.000 -1.011
Polar
3z2-r2-2.023
x2-y21.476
xy-2.067
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.732 -0.234 0.000
y -0.234 3.701 0.000
z 0.000 0.000 1.421


<r2> (average value of r2) Å2
<r2> 19.649
(<r2>)1/2 4.433