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All results from a given calculation for CHNH2 (aminomethylene)

using model chemistry: TPSSh/3-21G

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/3-21G
 hartrees
Energy at 0K-94.047401
Energy at 298.15K-94.050335
HF Energy-94.047401
Nuclear repulsion energy32.331147
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/3-21G
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' 3461 3353 8.33 105.05 0.51 0.68
2 A' 3239 3138 39.83 326.91 0.31 0.47
3 A' 2774 2688 163.30 130.32 0.49 0.66
4 A' 1745 1691 4.95 35.28 0.43 0.60
5 A' 1439 1394 35.79 12.41 0.75 0.85
6 A' 1321 1280 5.89 1.89 0.09 0.17
7 A' 1079 1045 29.92 14.98 0.59 0.74
8 A" 1161 1125 11.51 0.98 0.75 0.86
9 A" 892 864 244.67 1.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8556.0 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 8289.0 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 TPSSh/3-21G
ABC
6.66372 1.09330 0.93921

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.063 0.803 0.000
N2 0.063 -0.532 0.000
H3 -1.023 1.101 0.000
H4 -0.751 -1.170 0.000
H5 0.959 -1.024 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.33501.12572.13452.0350
N21.33501.96091.03411.0228
H31.12571.96092.28762.9059
H42.13451.03412.28761.7165
H52.03501.02282.90591.7165

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 128.123 C1 N2 H5 118.744
N2 C1 H3 105.346 H4 N2 H5 113.133
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 N -0.691      
3 H 0.130      
4 H 0.300      
5 H 0.338      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.251 -3.276 0.000 3.507
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 2.582 -0.285 0.000
y -0.285 3.526 0.000
z 0.000 0.000 1.187


<r2> (average value of r2) Å2
<r2> 20.044
(<r2>)1/2 4.477