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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: HF/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/cc-pVTZ
 hartrees
Energy at 0K-94.068625
Energy at 298.15K 
HF Energy-94.068625
Nuclear repulsion energy33.451539
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 HF/cc-pVTZ
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' 3699 3366 1.17      
2 A' 3277 2983 38.64      
3 A' 3190 2903 42.99      
4 A' 1867 1699 33.20      
5 A' 1604 1460 15.64      
6 A' 1482 1349 49.80      
7 A' 1153 1049 38.86      
8 A" 1259 1145 56.00      
9 A" 1227 1117 14.58      

Unscaled Zero Point Vibrational Energy (zpe) 9378.7 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 8535.5 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 HF/cc-pVTZ
ABC
6.81241 1.20107 1.02105

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.055 0.575 0.000
N2 0.055 -0.671 0.000
H3 -0.840 1.184 0.000
H4 0.996 1.106 0.000
H5 -0.877 -1.041 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.24621.08311.07971.8662
N21.24622.06042.01031.0034
H31.08312.06041.83742.2262
H41.07972.01031.83742.8492
H51.86621.00342.22622.8492

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 111.655 N2 C1 H3 124.238
N2 C1 H4 119.435 H3 C1 H4 116.327
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 N -0.293      
3 H 0.085      
4 H 0.121      
5 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.437 1.589 0.000 2.142
CHELPG        
AIM 0.037 -1.452 0.000 1.452
ESP -1.419 1.581 0.000 2.125


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.598 2.058 0.000
y 2.058 -12.480 0.000
z 0.000 0.000 -13.619
Traceless
 xyz
x 1.452 2.058 0.000
y 2.058 0.128 0.000
z 0.000 0.000 -1.580
Polar
3z2-r2-3.160
x2-y20.882
xy2.058
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.667 0.205 0.000
y 0.205 3.912 0.000
z 0.000 0.000 1.858


<r2> (average value of r2) Å2
<r2> 19.202
(<r2>)1/2 4.382