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All results from a given calculation for CH3NHCH3 (Dimethylamine)

using model chemistry: B1B95/CEP-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/CEP-31G
 hartrees
Energy at 0K-25.309068
Energy at 298.15K-25.317030
Nuclear repulsion energy50.098896
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/CEP-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' 3630 3476 0.06      
2 A' 3155 3021 73.15      
3 A' 3090 2959 102.22      
4 A' 2962 2836 227.87      
5 A' 1525 1460 5.37      
6 A' 1499 1436 12.46      
7 A' 1474 1411 7.44      
8 A' 1259 1206 0.14      
9 A' 1165 1116 0.73      
10 A' 960 919 10.52      
11 A' 583 559 188.31      
12 A' 348 333 32.20      
13 A' 230 220 5.32      
14 A" 3152 3018 36.14      
15 A" 3092 2961 36.49      
16 A" 2955 2829 86.92      
17 A" 1520 1456 21.62      
18 A" 1490 1427 2.23      
19 A" 1478 1415 9.48      
20 A" 1457 1395 2.48      
21 A" 1232 1179 32.02      
22 A" 1113 1065 2.61      
23 A" 1038 994 10.02      
24 A" 225 216 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 20317.1 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 19453.6 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 B1B95/CEP-31G
ABC
1.16098 0.29978 0.26484

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.021 0.562 0.000
H2 -0.639 1.336 0.000
C3 0.021 -0.222 1.238
C4 0.021 -0.222 -1.238
H5 -0.848 -0.913 1.340
H6 -0.848 -0.913 -1.340
H7 0.936 -0.838 1.284
H8 0.936 -0.838 -1.284
H9 0.030 0.449 2.110
H10 0.030 0.449 -2.110

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8 H9 H10
N11.01751.46531.46532.17412.17412.10872.10872.11342.1134
H21.01752.09682.09682.62672.62672.97622.97622.38482.3848
C31.46532.09682.47541.11492.80621.10372.75241.10123.4148
C41.46532.09682.47542.80621.11492.75241.10373.41481.1012
H52.17412.62671.11492.80622.67911.78593.17331.79473.8117
H62.17412.62672.80621.11492.67913.17331.78593.81171.7947
H72.10872.97621.10372.75241.78593.17332.56821.77823.7419
H82.10872.97622.75241.10373.17331.78592.56823.74191.7782
H92.11342.38481.10123.41481.79473.81171.77823.74194.2208
H102.11342.38483.41481.10123.81171.79473.74191.77824.2208

picture of Dimethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 H5 114.146 N1 C3 H7 109.530
N1 C3 H9 110.057 N1 C4 H6 114.146
N1 C4 H8 109.530 N1 C4 H10 110.057
H2 N1 C3 114.034 H2 N1 C4 114.034
C3 N1 C4 115.272 H5 C3 H7 107.209
H5 C3 H9 108.154 H6 C4 H8 107.209
H6 C4 H10 108.154 H7 C3 H9 107.505
H8 C4 H10 107.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.255      
2 H 0.250      
3 C -0.467      
4 C -0.467      
5 H 0.126      
6 H 0.126      
7 H 0.159      
8 H 0.159      
9 H 0.185      
10 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.128 -0.325 0.000 1.174
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.923 -2.330 0.000
y -2.330 -20.187 0.000
z 0.000 0.000 -18.982
Traceless
 xyz
x -1.339 -2.330 0.000
y -2.330 -0.235 0.000
z 0.000 0.000 1.573
Polar
3z2-r23.147
x2-y2-0.736
xy-2.330
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.629 -0.145 0.000
y -0.145 3.951 0.000
z 0.000 0.000 4.533


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000