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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: B3PW91/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 B3PW91/TZVP
 hartrees
Energy at 0K-94.626514
Energy at 298.15K 
HF Energy-94.626514
Nuclear repulsion energy33.008409
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/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' 3446 3323 1.34      
2 A' 3126 3014 34.36      
3 A' 3021 2913 49.41      
4 A' 1726 1664 23.71      
5 A' 1499 1446 5.99      
6 A' 1368 1319 36.07      
7 A' 1074 1036 37.87      
8 A" 1172 1130 51.02      
9 A" 1111 1071 15.33      

Unscaled Zero Point Vibrational Energy (zpe) 8771.1 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 8457.9 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 B3PW91/TZVP
ABC
6.60765 1.17129 0.99493

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 0.582 0.000
N2 0.056 -0.681 0.000
H3 -0.842 1.212 0.000
H4 1.013 1.106 0.000
H5 -0.899 -1.046 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.26291.09661.09131.8872
N21.26292.09502.02701.0220
H31.09662.09501.85802.2589
H41.09132.02701.85802.8785
H51.88721.02202.25892.8785

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.931 N2 C1 H3 125.076
N2 C1 H4 118.674 H3 C1 H4 116.250
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 N -0.254      
3 H 0.093      
4 H 0.124      
5 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.493 1.469 0.000 2.095
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.640 2.108 0.000
y 2.108 -12.796 0.000
z 0.000 0.000 -13.560
Traceless
 xyz
x 1.538 2.108 0.000
y 2.108 -0.196 0.000
z 0.000 0.000 -1.342
Polar
3z2-r2-2.684
x2-y21.156
xy2.108
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.796 0.182 0.000
y 0.182 4.100 0.000
z 0.000 0.000 1.787


<r2> (average value of r2) Å2
<r2> 19.558
(<r2>)1/2 4.422