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All results from a given calculation for CHNH2 (aminomethylene)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-94.007005
Energy at 298.15K-94.009945
HF Energy-94.007005
Nuclear repulsion energy32.478506
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 B3PW91/3-21G*
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' 3490 3348 9.78      
2 A' 3281 3148 33.48      
3 A' 2803 2689 146.47      
4 A' 1748 1677 6.92      
5 A' 1444 1385 32.31      
6 A' 1349 1294 10.08      
7 A' 1090 1046 30.84      
8 A" 1161 1114 12.05      
9 A" 911 874 250.57      

Unscaled Zero Point Vibrational Energy (zpe) 8637.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 8287.0 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 B3PW91/3-21G*
ABC
6.70473 1.10490 0.94858

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.063 0.797 0.000
N2 0.063 -0.529 0.000
H3 -1.019 1.104 0.000
H4 -0.751 -1.162 0.000
H5 0.956 -1.021 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.32681.12412.12172.0263
N21.32681.95891.03061.0202
H31.12411.95892.28192.9013
H42.12171.03062.28191.7131
H52.02631.02022.90131.7131

picture of aminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 127.878 C1 N2 H5 118.819
N2 C1 H3 105.822 H4 N2 H5 113.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.080      
2 N -0.710      
3 H 0.137      
4 H 0.308      
5 H 0.345      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.302 -3.302 0.000 3.550
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.656 -2.253 0.000
y -2.253 -13.189 0.000
z 0.000 0.000 -13.343
Traceless
 xyz
x 1.610 -2.253 0.000
y -2.253 -0.690 0.000
z 0.000 0.000 -0.920
Polar
3z2-r2-1.840
x2-y21.533
xy-2.253
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.532 -0.287 0.000
y -0.287 3.466 0.000
z 0.000 0.000 1.194


<r2> (average value of r2) Å2
<r2> 19.907
(<r2>)1/2 4.462