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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: LSDA/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 LSDA/3-21G*
 hartrees
Energy at 0K-93.576447
Energy at 298.15K 
HF Energy-93.576447
Nuclear repulsion energy32.590156
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 LSDA/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' 3188 3131 14.02      
2 A' 3034 2979 36.33      
3 A' 2908 2856 57.14      
4 A' 1679 1649 9.25      
5 A' 1495 1469 2.41      
6 A' 1303 1280 64.33      
7 A' 1061 1042 61.62      
8 A" 1147 1127 54.27      
9 A" 1081 1061 26.84      

Unscaled Zero Point Vibrational Energy (zpe) 8448.7 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 8296.6 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 LSDA/3-21G*
ABC
6.57035 1.13740 0.96956

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.055 0.588 0.000
N2 0.055 -0.686 0.000
H3 -0.829 1.260 0.000
H4 1.024 1.112 0.000
H5 -0.911 -1.096 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.27411.11011.10201.9407
N21.27412.13712.04291.0487
H31.11012.13711.85892.3566
H41.10202.04291.85892.9355
H51.94071.04872.35662.9355

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 112.976 N2 C1 H3 127.236
N2 C1 H4 118.405 H3 C1 H4 114.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.206      
2 N -0.462      
3 H 0.180      
4 H 0.218      
5 H 0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.533 1.128 0.000 1.903
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.537 2.196 0.000
y 2.196 -12.448 0.000
z 0.000 0.000 -13.376
Traceless
 xyz
x 1.375 2.196 0.000
y 2.196 0.009 0.000
z 0.000 0.000 -1.384
Polar
3z2-r2-2.767
x2-y20.911
xy2.196
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.451 0.324 0.000
y 0.324 3.518 0.000
z 0.000 0.000 0.912


<r2> (average value of r2) Å2
<r2> 19.776
(<r2>)1/2 4.447