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All results from a given calculation for CH2NH (Methanimine)

using model chemistry: mPW1PW91/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 mPW1PW91/TZVP
 hartrees
Energy at 0K-94.635789
Energy at 298.15K 
HF Energy-94.635789
Nuclear repulsion energy33.061118
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 mPW1PW91/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' 3475 3315 0.99      
2 A' 3146 3001 33.23      
3 A' 3042 2902 46.61      
4 A' 1740 1660 24.17      
5 A' 1507 1438 6.46      
6 A' 1375 1312 36.14      
7 A' 1079 1030 38.20      
8 A" 1179 1125 51.49      
9 A" 1120 1069 15.33      

Unscaled Zero Point Vibrational Energy (zpe) 8831.7 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 8425.5 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 mPW1PW91/TZVP
ABC
6.62992 1.17493 0.99806

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.056 0.581 0.000
N2 0.056 -0.680 0.000
H3 -0.841 1.209 0.000
H4 1.012 1.105 0.000
H5 -0.896 -1.045 0.000

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5
C11.26091.09491.08991.8848
N21.26092.09112.02431.0200
H31.09492.09111.85562.2554
H41.08992.02431.85562.8747
H51.88481.02002.25542.8747

picture of Methanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H5 111.011 N2 C1 H3 125.005
N2 C1 H4 118.711 H3 C1 H4 116.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.141      
2 N -0.251      
3 H 0.092      
4 H 0.123      
5 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.498 1.472 0.000 2.100
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.626 2.109 0.000
y 2.109 -12.772 0.000
z 0.000 0.000 -13.559
Traceless
 xyz
x 1.540 2.109 0.000
y 2.109 -0.180 0.000
z 0.000 0.000 -1.360
Polar
3z2-r2-2.720
x2-y21.146
xy2.109
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.767 0.184 0.000
y 0.184 4.070 0.000
z 0.000 0.000 1.775


<r2> (average value of r2) Å2
<r2> 19.514
(<r2>)1/2 4.417