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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-94.594830
Energy at 298.15K 
HF Energy-94.594830
Nuclear repulsion energy32.895633
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 B3PW91/6-31G**
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' 3458 3314 3.50      
2 A' 3142 3011 41.09      
3 A' 3036 2910 48.98      
4 A' 1743 1670 24.39      
5 A' 1505 1442 4.28      
6 A' 1374 1316 43.75      
7 A' 1075 1031 38.43      
8 A" 1173 1124 51.08      
9 A" 1095 1049 13.38      

Unscaled Zero Point Vibrational Energy (zpe) 8799.7 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 8433.7 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 B3PW91/6-31G**
ABC
6.58268 1.16200 0.98766

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 0.583 0.000
N2 0.056 -0.685 0.000
H3 -0.837 1.224 0.000
H4 1.015 1.109 0.000
H5 -0.905 -1.039 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.26841.09891.09381.8859
N21.26842.10712.03421.0244
H31.09892.10711.85622.2637
H41.09382.03421.85622.8814
H51.88591.02442.26372.8814

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.230 N2 C1 H3 125.623
N2 C1 H4 118.705 H3 C1 H4 115.672
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 N -0.444      
3 H 0.112      
4 H 0.136      
5 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.425 1.381 0.000 1.985
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.424 1.989 0.000
y 1.989 -12.440 0.000
z 0.000 0.000 -13.250
Traceless
 xyz
x 1.421 1.989 0.000
y 1.989 -0.103 0.000
z 0.000 0.000 -1.318
Polar
3z2-r2-2.636
x2-y21.016
xy1.989
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.618 0.269 0.000
y 0.269 3.693 -0.000
z 0.000 -0.000 1.208


<r2> (average value of r2) Å2
<r2> 19.452
(<r2>)1/2 4.410