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All results from a given calculation for CH2NCH3 (N-methylmethanimine)

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-133.760377
Energy at 298.15K-133.765854
HF Energy-133.760377
Nuclear repulsion energy71.675623
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 PBEPBE/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' 3081 3037 36.11      
2 A' 3018 2975 24.16      
3 A' 2919 2877 82.32      
4 A' 2907 2866 44.94      
5 A' 1706 1682 16.06      
6 A' 1487 1466 18.62      
7 A' 1455 1435 3.34      
8 A' 1410 1389 1.62      
9 A' 1209 1192 13.04      
10 A' 1103 1087 0.52      
11 A' 960 946 13.62      
12 A' 464 458 5.78      
13 A" 3043 2999 16.94      
14 A" 1456 1436 4.44      
15 A" 1116 1100 0.04      
16 A" 1012 997 18.34      
17 A" 684 674 1.45      
18 A" 229 226 8.30      

Unscaled Zero Point Vibrational Energy (zpe) 14629.7 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 14420.4 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 PBEPBE/6-31G*
ABC
1.73839 0.35305 0.31054

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.079 -0.413 0.000
N2 0.000 0.560 0.000
C3 1.194 0.110 0.000
H4 -0.743 -1.474 0.000
H5 -1.716 -0.240 0.886
H6 -1.716 -0.240 -0.886
H7 1.453 -0.972 0.000
H8 2.034 0.821 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45342.33231.11261.10481.10482.59303.3490
N21.45341.27592.16592.09082.09082.11172.0510
C32.33231.27592.50223.06203.06201.11261.1007
H41.11262.16592.50221.80381.80382.25293.6029
H51.10482.09083.06201.80381.77133.37123.9973
H61.10482.09083.06201.80381.77133.37123.9973
H72.59302.11171.11262.25293.37123.37121.8845
H83.34902.05101.10073.60293.99733.99731.8845

picture of N-methylmethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 117.272 N2 C1 H4 114.493
N2 C1 H5 108.865 N2 C1 H6 108.865
N2 C3 H7 124.144 N2 C3 H8 119.122
H4 C1 H5 108.875 H4 C1 H6 108.875
H5 C1 H6 106.576 H7 C3 H8 116.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.374      
2 N -0.253      
3 C -0.156      
4 H 0.138      
5 H 0.180      
6 H 0.180      
7 H 0.126      
8 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.232 -1.338 0.000 1.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.300 0.643 0.000
y 0.643 -20.702 0.000
z 0.000 0.000 -19.521
Traceless
 xyz
x 3.811 0.643 0.000
y 0.643 -2.791 0.000
z 0.000 0.000 -1.020
Polar
3z2-r2-2.040
x2-y24.402
xy0.643
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.190 0.119 0.000
y 0.119 4.132 0.000
z 0.000 0.000 2.726


<r2> (average value of r2) Å2
<r2> 48.769
(<r2>)1/2 6.984