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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-133.859144
Energy at 298.15K-133.864681
HF Energy-133.859144
Nuclear repulsion energy71.724833
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 mPW1PW91/6-31G
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' 3223 3051 34.46      
2 A' 3132 2965 22.94      
3 A' 3047 2885 57.33      
4 A' 3013 2852 56.97      
5 A' 1756 1662 17.71      
6 A' 1557 1473 26.38      
7 A' 1529 1447 3.24      
8 A' 1485 1406 1.76      
9 A' 1260 1193 7.14      
10 A' 1150 1089 1.70      
11 A' 970 918 12.90      
12 A' 462 437 6.64      
13 A" 3163 2994 15.39      
14 A" 1529 1447 7.77      
15 A" 1172 1109 0.24      
16 A" 1094 1035 30.47      
17 A" 710 672 1.28      
18 A" 228 216 11.71      

Unscaled Zero Point Vibrational Energy (zpe) 15239.5 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 14425.7 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 mPW1PW91/6-31G
ABC
1.80717 0.34671 0.30744

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.090 -0.423 0.000
N2 0.000 0.545 0.000
C3 1.205 0.129 0.000
H4 -0.759 -1.473 0.000
H5 -1.715 -0.248 0.879
H6 -1.715 -0.248 -0.879
H7 1.487 -0.932 0.000
H8 2.015 0.852 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45802.36081.10101.09291.09292.62703.3573
N21.45801.27442.15592.08392.08392.09562.0385
C32.36081.27442.53483.07263.07261.09821.0860
H41.10102.15592.53481.78591.78592.31033.6200
H51.09292.08393.07261.78591.75893.39033.9872
H61.09292.08393.07261.78591.75893.39033.9872
H72.62702.09561.09822.31033.39033.39031.8609
H83.35732.03851.08603.62003.98723.98721.8609

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 119.384 N2 C1 H4 114.086
N2 C1 H5 108.709 N2 C1 H6 108.709
N2 C3 H7 123.903 N2 C3 H8 119.241
H4 C1 H5 108.979 H4 C1 H6 108.979
H5 C1 H6 107.157 H7 C3 H8 116.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.380      
2 N -0.306      
3 C -0.161      
4 H 0.143      
5 H 0.196      
6 H 0.196      
7 H 0.136      
8 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.254 -1.709 0.000 1.728
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.904 0.864 0.000
y 0.864 -21.058 0.000
z 0.000 0.000 -19.571
Traceless
 xyz
x 4.410 0.864 0.000
y 0.864 -3.320 0.000
z 0.000 0.000 -1.090
Polar
3z2-r2-2.180
x2-y25.153
xy0.864
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.002 0.043 0.000
y 0.043 3.899 0.000
z 0.000 0.000 2.541


<r2> (average value of r2) Å2
<r2> 49.030
(<r2>)1/2 7.002