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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-94.628368
Energy at 298.15K 
HF Energy-94.628368
Nuclear repulsion energy33.031673
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/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' 3449 3317 0.48      
2 A' 3111 2991 35.59      
3 A' 3016 2900 51.57      
4 A' 1724 1658 21.87      
5 A' 1488 1431 6.00      
6 A' 1367 1314 45.38      
7 A' 1069 1028 37.34      
8 A" 1169 1124 45.29      
9 A" 1100 1057 16.41      

Unscaled Zero Point Vibrational Energy (zpe) 8745.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 8409.9 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/cc-pVTZ
ABC
6.61885 1.17281 0.99628

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 0.581 0.000
N2 0.056 -0.681 0.000
H3 -0.841 1.210 0.000
H4 1.012 1.109 0.000
H5 -0.898 -1.043 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.26211.09571.09131.8839
N21.26212.09292.02841.0208
H31.09572.09291.85572.2538
H41.09132.02841.85572.8769
H51.88391.02082.25382.8769

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 110.786 N2 C1 H3 125.020
N2 C1 H4 118.880 H3 C1 H4 116.100
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.069      
2 N -0.234      
3 H 0.062      
4 H 0.101      
5 H 0.140      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.349 1.399 0.000 1.943
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.579 1.973 0.000
y 1.973 -12.580 0.000
z 0.000 0.000 -13.453
Traceless
 xyz
x 1.437 1.973 0.000
y 1.973 -0.064 0.000
z 0.000 0.000 -1.373
Polar
3z2-r2-2.747
x2-y21.001
xy1.973
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.901 0.202 -0.000
y 0.202 3.990 -0.004
z -0.000 -0.004 1.901


<r2> (average value of r2) Å2
<r2> 19.462
(<r2>)1/2 4.412