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: B97D3/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/TZVP
 hartrees
Energy at 0K-94.551791
Energy at 298.15K-94.554702
HF Energy-94.551791
Nuclear repulsion energy32.732097
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 B97D3/TZVP
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' 3462 3412 8.07 115.53 0.59 0.74
2 A' 3251 3204 63.46 544.97 0.32 0.48
3 A' 2842 2801 126.87 187.12 0.58 0.73
4 A' 1672 1648 4.78 38.18 0.45 0.62
5 A' 1409 1389 16.68 9.48 0.51 0.68
6 A' 1359 1339 12.92 2.01 0.70 0.82
7 A' 1061 1046 28.19 21.89 0.47 0.64
8 A" 1145 1129 9.93 2.11 0.75 0.86
9 A" 819 807 166.73 1.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8510.4 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 8387.9 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 B97D3/TZVP
ABC
6.76961 1.12557 0.96510

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

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 -1.011 1.092 0.000
H4 -0.754 -1.146 0.000
H5 0.949 -1.022 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.31411.11482.10222.0176
N21.31411.93941.02741.0167
H31.11481.93942.25282.8823
H42.10221.02742.25281.7078
H52.01761.01672.88231.7078

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 127.311 C1 N2 H5 119.358
N2 C1 H3 105.679 H4 N2 H5 113.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.211      
2 N -0.300      
3 H 0.059      
4 H 0.198      
5 H 0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.301 -3.259 0.000 3.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.182 -2.315 0.000
y -2.315 -13.814 0.000
z 0.000 0.000 -13.897
Traceless
 xyz
x 1.673 -2.315 0.000
y -2.315 -0.775 0.000
z 0.000 0.000 -0.899
Polar
3z2-r2-1.797
x2-y21.632
xy-2.315
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.410 0.000 0.000
y 0.000 4.628 0.000
z 0.000 0.000 2.184


<r2> (average value of r2) Å2
<r2> 20.067
(<r2>)1/2 4.480