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: TPSSh/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/aug-cc-pVQZ
 hartrees
Energy at 0K-94.620988
Energy at 298.15K-94.623899
HF Energy-94.620988
Nuclear repulsion energy32.874019
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 TPSSh/aug-cc-pVQZ
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' 3525 3525 17.70 93.41 0.66 0.80
2 A' 3356 3356 24.65 429.17 0.26 0.41
3 A' 2908 2908 106.15 177.41 0.52 0.68
4 A' 1690 1690 12.30 20.58 0.58 0.74
5 A' 1429 1429 18.09 14.23 0.11 0.21
6 A' 1384 1384 10.57 11.97 0.21 0.35
7 A' 1064 1064 24.62 14.56 0.25 0.41
8 A" 1158 1158 10.08 0.17 0.75 0.86
9 A" 807 807 143.48 0.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8660.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8660.4 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 TPSSh/aug-cc-pVQZ
ABC
6.83734 1.13433 0.97292

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.063 0.786 0.000
N2 0.063 -0.523 0.000
H3 -1.001 1.096 0.000
H4 -0.758 -1.131 0.000
H5 0.944 -1.021 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.30931.10742.08502.0108
N21.30931.93681.02071.0126
H31.10741.93682.23962.8746
H42.08501.02072.23961.7054
H52.01081.01262.87461.7054

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 126.532 C1 N2 H5 119.450
N2 C1 H3 106.227 H4 N2 H5 114.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.523      
2 N -0.460      
3 H 0.307      
4 H 0.318      
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
  -1.304 -3.227 0.000 3.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.868 0.139 0.000
y 0.139 4.933 0.000
z 0.000 0.000 3.001


<r2> (average value of r2) Å2
<r2> 20.007
(<r2>)1/2 4.473