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: M06-2X/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 M06-2X/6-31G
 hartrees
Energy at 0K-94.485722
Energy at 298.15K-94.488677
HF Energy-94.485722
Nuclear repulsion energy32.549180
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 M06-2X/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' 3633 3633 18.04 102.13 0.59 0.74
2 A' 3456 3456 5.86 283.65 0.27 0.42
3 A' 2890 2890 152.74 136.95 0.46 0.63
4 A' 1762 1762 18.72 28.87 0.42 0.59
5 A' 1453 1453 36.48 12.13 0.67 0.80
6 A' 1399 1399 25.20 4.37 0.29 0.45
7 A' 1095 1095 24.34 11.31 0.62 0.76
8 A" 1157 1157 14.73 1.11 0.75 0.86
9 A" 962 962 293.84 0.97 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8903.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8903.7 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 M06-2X/6-31G
ABC
6.79107 1.10441 0.94993

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.797 0.000
N2 0.062 -0.532 0.000
H3 -1.012 1.108 0.000
H4 -0.748 -1.151 0.000
H5 0.950 -1.018 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.32881.11832.11002.0209
N21.32881.95991.01991.0121
H31.11831.95992.27402.8928
H42.11001.01992.27401.7027
H52.02091.01212.89281.7027

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 127.401 C1 N2 H5 118.752
N2 C1 H3 106.110 H4 N2 H5 113.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.029      
2 N -0.730      
3 H 0.073      
4 H 0.326      
5 H 0.359      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.335 -3.233 0.000 3.498
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.837 -2.250 0.000
y -2.250 -13.352 0.000
z 0.000 0.000 -13.525
Traceless
 xyz
x 1.602 -2.250 0.000
y -2.250 -0.671 0.000
z 0.000 0.000 -0.931
Polar
3z2-r2-1.861
x2-y21.516
xy-2.250
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.685 -0.291 0.000
y -0.291 3.663 0.000
z 0.000 0.000 1.329


<r2> (average value of r2) Å2
<r2> 19.976
(<r2>)1/2 4.469