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/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-94.544401
Energy at 298.15K-94.547304
HF Energy-94.544401
Nuclear repulsion energy32.740652
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/cc-pVDZ
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' 3591 3421 20.37 95.56 0.65 0.79
2 A' 3438 3275 5.74 237.48 0.24 0.39
3 A' 2921 2783 123.94 162.45 0.43 0.60
4 A' 1672 1593 14.36 17.17 0.52 0.68
5 A' 1458 1389 11.68 10.05 0.32 0.48
6 A' 1388 1323 17.40 5.42 0.62 0.77
7 A' 1072 1021 20.95 6.33 0.54 0.70
8 A" 1157 1102 11.75 1.04 0.75 0.86
9 A" 777 740 153.05 0.69 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8736.7 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 8322.6 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/cc-pVDZ
ABC
6.72647 1.12829 0.96622

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.063 0.790 0.000
N2 0.063 -0.524 0.000
H3 -1.016 1.089 0.000
H4 -0.756 -1.138 0.000
H5 0.950 -1.023 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.31341.12022.09442.0182
N21.31341.94031.02401.0178
H31.12021.94032.24142.8855
H42.09441.02402.24141.7101
H52.01821.01782.88551.7101

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 126.845 C1 N2 H5 119.389
N2 C1 H3 105.471 H4 N2 H5 113.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.216      
2 N -0.052      
3 H 0.028      
4 H 0.105      
5 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.268 -3.258 0.000 3.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.780 -2.154 0.000
y -2.154 -13.267 0.000
z 0.000 0.000 -13.293
Traceless
 xyz
x 1.500 -2.154 0.000
y -2.154 -0.731 0.000
z 0.000 0.000 -0.769
Polar
3z2-r2-1.538
x2-y21.487
xy-2.154
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.816 -0.257 0.000
y -0.257 3.695 0.000
z 0.000 0.000 1.610


<r2> (average value of r2) Å2
<r2> 19.729
(<r2>)1/2 4.442