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: wB97X-D/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-94.580792
Energy at 298.15K-94.583710
HF Energy-94.580792
Nuclear repulsion energy32.993789
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 wB97X-D/Def2TZVPP
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' 3610 3448 22.28 83.53 0.66 0.80
2 A' 3473 3317 3.73 241.16 0.22 0.37
3 A' 2951 2819 96.20 153.24 0.46 0.63
4 A' 1699 1623 20.50 15.50 0.53 0.69
5 A' 1460 1395 14.48 9.56 0.25 0.40
6 A' 1401 1338 18.48 2.54 0.71 0.83
7 A' 1087 1038 21.43 6.04 0.49 0.65
8 A" 1162 1110 11.13 1.86 0.75 0.86
9 A" 813 776 157.29 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8827.5 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 8432.1 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 wB97X-D/Def2TZVPP
ABC
6.86624 1.14331 0.98011

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.063 0.783 0.000
N2 0.063 -0.522 0.000
H3 -0.999 1.093 0.000
H4 -0.758 -1.119 0.000
H5 0.941 -1.018 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.30471.10572.07142.0040
N21.30471.93261.01481.0091
H31.10571.93262.22552.8674
H42.07141.01482.22551.7020
H52.00401.00912.86741.7020

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 126.049 C1 N2 H5 119.471
N2 C1 H3 106.306 H4 N2 H5 114.480
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.246      
2 N -0.146      
3 H 0.066      
4 H 0.142      
5 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.385 -3.303 0.000 3.582
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.076 -2.344 0.000
y -2.344 -13.618 0.000
z 0.000 0.000 -13.846
Traceless
 xyz
x 1.656 -2.344 0.000
y -2.344 -0.657 0.000
z 0.000 0.000 -0.999
Polar
3z2-r2-1.998
x2-y21.542
xy-2.344
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.347 -0.097 0.000
y -0.097 4.269 0.000
z 0.000 0.000 2.399


<r2> (average value of r2) Å2
<r2> 19.809
(<r2>)1/2 4.451