return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-133.927875
Energy at 298.15K-133.933362
HF Energy-133.927875
Nuclear repulsion energy72.320011
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 wB97X-D/6-311G**
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' 3158 3021 31.70      
2 A' 3097 2962 27.02      
3 A' 2999 2868 69.44      
4 A' 2986 2856 49.16      
5 A' 1774 1697 18.97      
6 A' 1514 1448 23.21      
7 A' 1480 1416 3.25      
8 A' 1435 1373 0.50      
9 A' 1250 1195 19.13      
10 A' 1126 1077 0.16      
11 A' 995 952 14.43      
12 A' 490 469 5.96      
13 A" 3122 2986 19.33      
14 A" 1477 1413 6.44      
15 A" 1141 1091 0.39      
16 A" 1072 1026 20.88      
17 A" 703 672 1.09      
18 A" 180 172 8.58      

Unscaled Zero Point Vibrational Energy (zpe) 14999.1 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 14346.6 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 wB97X-D/6-311G**
ABC
1.78269 0.35787 0.31539

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.066 -0.414 0.000
N2 0.000 0.549 0.000
C3 1.180 0.119 0.000
H4 -0.737 -1.467 0.000
H5 -1.695 -0.245 0.878
H6 -1.695 -0.245 -0.878
H7 1.442 -0.950 0.000
H8 2.005 0.831 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.43682.30821.10351.09351.09352.56463.3134
N21.43681.25592.14652.06772.06772.08002.0242
C32.30821.25592.48713.02803.02801.10011.0899
H41.10352.14652.48711.78451.78452.23873.5768
H51.09352.06773.02801.78451.75673.33303.9517
H61.09352.06773.02801.78451.75673.33303.9517
H72.56462.08001.10012.23873.33303.33301.8678
H83.31342.02421.08993.57683.95173.95171.8678

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 117.849 N2 C1 H4 114.708
N2 C1 H5 108.854 N2 C1 H6 108.854
N2 C3 H7 123.834 N2 C3 H8 119.119
H4 C1 H5 108.629 H4 C1 H6 108.629
H5 C1 H6 106.886 H7 C3 H8 117.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.216      
2 N -0.253      
3 C -0.088      
4 H 0.085      
5 H 0.131      
6 H 0.131      
7 H 0.085      
8 H 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.351 -1.478 0.000 1.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.228 0.693 0.000
y 0.693 -20.875 0.000
z 0.000 0.000 -19.668
Traceless
 xyz
x 4.044 0.693 0.000
y 0.693 -2.927 0.000
z 0.000 0.000 -1.117
Polar
3z2-r2-2.233
x2-y24.647
xy0.693
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.258 0.048 0.000
y 0.048 4.256 0.000
z 0.000 0.000 3.084


<r2> (average value of r2) Å2
<r2> 48.215
(<r2>)1/2 6.944