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All results from a given calculation for CHNH2 (aminomethylene)

using model chemistry: HF/CEP-121G

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-121G
 hartrees
Energy at 0K-16.796040
Energy at 298.15K-16.799011
HF Energy-16.796040
Nuclear repulsion energy19.253575
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-121G
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' 3881 3542 21.92 69.05 0.70 0.82
2 A' 3728 3401 2.14 150.10 0.21 0.34
3 A' 3043 2777 160.40 171.35 0.44 0.62
4 A' 1878 1714 49.70 12.12 0.52 0.68
5 A' 1518 1385 43.92 8.33 0.71 0.83
6 A' 1428 1303 61.45 7.02 0.13 0.23
7 A' 1156 1055 20.47 4.73 0.71 0.83
8 A" 1183 1079 16.51 1.78 0.75 0.86
9 A" 941 859 326.19 0.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9377.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 8557.0 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-121G
ABC
6.96008 1.09348 0.94501

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.062 0.799 0.000
N2 0.062 -0.540 0.000
H3 -0.994 1.127 0.000
H4 -0.751 -1.122 0.000
H5 0.934 -1.020 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.33951.10622.08662.0178
N21.33951.97351.00020.9953
H31.10621.97352.26192.8859
H42.08661.00022.26191.6882
H52.01780.99532.88591.6882

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 125.585 C1 N2 H5 118.856
N2 C1 H3 107.209 H4 N2 H5 115.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.061      
2 N -0.620      
3 H 0.030      
4 H 0.307      
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
  -1.638 -3.070 0.000 3.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.100 -2.556 0.000
y -2.556 -13.811 0.000
z 0.000 0.000 -13.911
Traceless
 xyz
x 1.761 -2.556 0.000
y -2.556 -0.805 0.000
z 0.000 0.000 -0.956
Polar
3z2-r2-1.911
x2-y21.711
xy-2.556
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.816 -0.234 0.000
y -0.234 3.599 0.000
z 0.000 0.000 1.827


<r2> (average value of r2) Å2
<r2> 18.335
(<r2>)1/2 4.282