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: B3LYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-133.946545
Energy at 298.15K-133.952060
HF Energy-133.946545
Nuclear repulsion energy71.895137
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 B3LYP/cc-pVDZ
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' 3128 3035 32.83      
2 A' 3067 2975 26.80      
3 A' 2974 2885 72.07      
4 A' 2961 2872 40.97      
5 A' 1745 1693 17.95      
6 A' 1480 1435 17.38      
7 A' 1452 1408 5.00      
8 A' 1412 1370 2.15      
9 A' 1224 1188 20.45      
10 A' 1109 1075 0.27      
11 A' 976 946 13.91      
12 A' 473 459 6.18      
13 A" 3087 2994 17.26      
14 A" 1447 1404 4.31      
15 A" 1130 1096 0.37      
16 A" 1048 1016 15.24      
17 A" 696 675 1.20      
18 A" 223 216 7.13      

Unscaled Zero Point Vibrational Energy (zpe) 14815.4 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 14371.0 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 B3LYP/cc-pVDZ
ABC
1.75807 0.35444 0.31216

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.075 -0.418 0.000
N2 0.000 0.557 0.000
C3 1.189 0.118 0.000
H4 -0.732 -1.473 0.000
H5 -1.714 -0.249 0.884
H6 -1.714 -0.249 -0.884
H7 1.450 -0.961 0.000
H8 2.025 0.833 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45132.32761.11011.10321.10322.58363.3433
N21.45131.26762.15792.08952.08952.09912.0438
C32.32761.26762.49493.05683.05681.11031.0994
H41.11012.15792.49491.80161.80162.24163.5942
H51.10322.08953.05681.80161.76743.36163.9911
H61.10322.08953.05681.80161.76743.36163.9911
H72.58362.09911.11032.24163.36163.36161.8835
H83.34332.04381.09943.59423.99113.99111.8835

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 117.595 N2 C1 H4 114.140
N2 C1 H5 109.004 N2 C1 H6 109.004
N2 C3 H7 123.822 N2 C3 H8 119.238
H4 C1 H5 108.978 H4 C1 H6 108.978
H5 C1 H6 106.458 H7 C3 H8 116.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.051      
2 N -0.193      
3 C 0.043      
4 H 0.002      
5 H 0.036      
6 H 0.036      
7 H 0.000      
8 H 0.026      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.249 -1.249 0.000 1.274
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.578 0.603 0.000
y 0.603 -20.808 0.000
z 0.000 0.000 -19.560
Traceless
 xyz
x 3.605 0.603 0.000
y 0.603 -2.739 0.000
z 0.000 0.000 -0.867
Polar
3z2-r2-1.733
x2-y24.229
xy0.603
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.322 0.153 0.000
y 0.153 4.213 0.000
z 0.000 0.000 2.908


<r2> (average value of r2) Å2
<r2> 48.672
(<r2>)1/2 6.977