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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-16.830105
Energy at 298.15K-16.833016
HF Energy-16.830105
Nuclear repulsion energy19.325786
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' 3887 3491 29.05 65.58 0.71 0.83
2 A' 3755 3372 4.93 146.39 0.18 0.30
3 A' 3164 2841 160.88 133.19 0.44 0.61
4 A' 1839 1651 42.97 11.47 0.43 0.60
5 A' 1514 1360 31.22 7.57 0.39 0.56
6 A' 1481 1330 58.98 9.47 0.55 0.71
7 A' 1125 1010 21.42 6.12 0.74 0.85
8 A" 1197 1075 14.23 0.30 0.75 0.86
9 A" 768 690 259.66 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9364.6 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 8409.4 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
6.88760 1.11447 0.95925

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 0.795 0.000
N2 0.062 -0.532 0.000
H3 -0.999 1.096 0.000
H4 -0.753 -1.122 0.000
H5 0.940 -1.017 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.32671.10312.08312.0131
N21.32671.94371.00671.0027
H31.10311.94372.23222.8681
H42.08311.00672.23221.6964
H52.01311.00272.86811.6964

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 125.887 C1 N2 H5 118.934
N2 C1 H3 105.884 H4 N2 H5 115.179
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 -0.337      
2 N -0.437      
3 H 0.085      
4 H 0.332      
5 H 0.357      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.563 -3.134 0.000 3.503
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.823 -2.449 0.000
y -2.449 -13.482 0.000
z 0.000 0.000 -13.776
Traceless
 xyz
x 1.807 -2.449 0.000
y -2.449 -0.683 0.000
z 0.000 0.000 -1.124
Polar
3z2-r2-2.248
x2-y21.660
xy-2.449
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.512 -0.200 0.000
y -0.200 3.536 0.000
z 0.000 0.000 1.790


<r2> (average value of r2) Å2
<r2> 18.057
(<r2>)1/2 4.249