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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-133.873921
Energy at 298.15K-133.879463
HF Energy-133.873921
Nuclear repulsion energy72.326412
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 B1B95/6-31G**
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' 3169 3025 34.90      
2 A' 3104 2964 25.89      
3 A' 3015 2879 59.99      
4 A' 2997 2862 47.25      
5 A' 1780 1699 19.93      
6 A' 1522 1453 19.88      
7 A' 1487 1420 2.87      
8 A' 1442 1377 1.29      
9 A' 1248 1191 15.38      
10 A' 1131 1080 0.59      
11 A' 996 951 13.10      
12 A' 484 463 5.72      
13 A" 3129 2987 17.29      
14 A" 1485 1417 4.14      
15 A" 1143 1091 0.11      
16 A" 1062 1014 17.34      
17 A" 702 670 1.12      
18 A" 230 219 8.54      

Unscaled Zero Point Vibrational Energy (zpe) 15062.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 14381.3 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 B1B95/6-31G**
ABC
1.77526 0.35885 0.31586

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.070 -0.413 0.000
N2 0.000 0.556 0.000
C3 1.183 0.114 0.000
H4 -0.729 -1.459 0.000
H5 -1.701 -0.247 0.877
H6 -1.701 -0.247 -0.877
H7 1.435 -0.957 0.000
H8 2.016 0.817 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 H7 H8
C11.44342.31431.10051.09361.09362.56393.3223
N21.44341.26322.14292.07552.07552.08552.0329
C32.31431.26322.47643.03673.03671.10031.0900
H41.10052.14292.47641.78501.78502.22213.5664
H51.09362.07553.03671.78501.75473.33393.9649
H61.09362.07553.03671.78501.75473.33393.9649
H72.56392.08551.10032.22213.33393.33391.8671
H83.32232.03291.09003.56643.96493.96491.8671

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 117.372 N2 C1 H4 114.106
N2 C1 H5 109.004 N2 C1 H6 109.004
N2 C3 H7 123.716 N2 C3 H8 119.329
H4 C1 H5 108.890 H4 C1 H6 108.890
H5 C1 H6 106.687 H7 C3 H8 116.955
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.229      
2 N -0.318      
3 C -0.050      
4 H 0.098      
5 H 0.142      
6 H 0.142      
7 H 0.091      
8 H 0.122      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.290 -1.428 0.000 1.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.128 0.645 0.000
y 0.645 -20.614 0.000
z 0.000 0.000 -19.413
Traceless
 xyz
x 3.886 0.645 0.000
y 0.645 -2.843 0.000
z 0.000 0.000 -1.042
Polar
3z2-r2-2.085
x2-y24.486
xy0.645
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.037 0.092 0.000
y 0.092 4.008 0.000
z 0.000 0.000 2.727


<r2> (average value of r2) Å2
<r2> 48.048
(<r2>)1/2 6.932