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

using model chemistry: PBEPBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-133.774039
Energy at 298.15K-133.779504
HF Energy-133.774039
Nuclear repulsion energy71.639015
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/6-31+G**
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' 3085 3050 26.93      
2 A' 3017 2983 21.15      
3 A' 2911 2878 95.25      
4 A' 2901 2868 50.47      
5 A' 1691 1671 13.81      
6 A' 1462 1445 20.91      
7 A' 1431 1415 4.11      
8 A' 1386 1370 0.43      
9 A' 1195 1181 14.78      
10 A' 1089 1076 0.16      
11 A' 953 942 15.13      
12 A' 464 458 5.33      
13 A" 3041 3007 11.12      
14 A" 1428 1412 7.24      
15 A" 1102 1090 0.33      
16 A" 1011 999 25.39      
17 A" 677 670 1.53      
18 A" 222 220 9.34      

Unscaled Zero Point Vibrational Energy (zpe) 14532.7 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 14367.0 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 PBEPBE/6-31+G**
ABC
1.74585 0.35183 0.30979

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.081 -0.414 0.000
N2 0.000 0.558 0.000
C3 1.197 0.112 0.000
H4 -0.741 -1.473 0.000
H5 -1.718 -0.240 0.885
H6 -1.718 -0.240 -0.885
H7 1.450 -0.971 0.000
H8 2.034 0.825 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.45442.33841.11171.10371.10372.59153.3526
N21.45441.27752.16202.09072.09072.10702.0512
C32.33841.27752.50363.06653.06651.11191.0992
H41.11172.16202.50361.80451.80452.24763.6027
H51.10372.09073.06651.80451.76913.36903.9990
H61.10372.09073.06651.80451.76913.36903.9990
H72.59152.10701.11192.24763.36903.36901.8882
H83.35262.05121.09923.60273.99903.99901.8882

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 117.588 N2 C1 H4 114.151
N2 C1 H5 108.856 N2 C1 H6 108.856
N2 C3 H7 123.577 N2 C3 H8 119.133
H4 C1 H5 109.082 H4 C1 H6 109.082
H5 C1 H6 106.541 H7 C3 H8 117.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.471      
2 N -0.078      
3 C -0.224      
4 H 0.137      
5 H 0.180      
6 H 0.180      
7 H 0.122      
8 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.287 -1.529 0.000 1.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.604 0.731 0.000
y 0.731 -21.682 0.000
z 0.000 0.000 -20.189
Traceless
 xyz
x 4.331 0.731 0.000
y 0.731 -3.285 0.000
z 0.000 0.000 -1.046
Polar
3z2-r2-2.092
x2-y25.078
xy0.731
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.894 0.022 0.000
y 0.022 5.034 0.000
z 0.000 0.000 3.650


<r2> (average value of r2) Å2
<r2> 49.236
(<r2>)1/2 7.017