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All results from a given calculation for CH3NHCH3 (Dimethylamine)

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-134.335483
Energy at 298.15K-134.343608
Nuclear repulsion energy83.627970
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 B1B95/3-21G
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' 3481 3330 0.56      
2 A' 3136 3000 32.34      
3 A' 3083 2949 52.50      
4 A' 2948 2821 151.03      
5 A' 1588 1519 1.71      
6 A' 1554 1487 17.26      
7 A' 1504 1439 1.83      
8 A' 1274 1219 1.33      
9 A' 1188 1137 0.82      
10 A' 948 907 0.58      
11 A' 693 663 150.18      
12 A' 370 354 14.48      
13 A' 247 236 4.24      
14 A" 3135 3000 21.07      
15 A" 3083 2950 20.63      
16 A" 2943 2815 43.31      
17 A" 1578 1510 11.45      
18 A" 1545 1478 9.82      
19 A" 1513 1448 4.00      
20 A" 1478 1414 0.20      
21 A" 1166 1116 30.10      
22 A" 1119 1070 0.61      
23 A" 1046 1001 12.18      
24 A" 254 243 0.44      

Unscaled Zero Point Vibrational Energy (zpe) 20436.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19552.0 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 B1B95/3-21G
ABC
1.13765 0.30757 0.27041

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.024 0.586 0.000
H2 -0.743 1.260 0.000
C3 0.024 -0.227 1.221
C4 0.024 -0.227 -1.221
H5 -0.814 -0.944 1.292
H6 -0.814 -0.944 -1.292
H7 0.955 -0.803 1.258
H8 0.955 -0.803 -1.258
H9 -0.002 0.428 2.095
H10 -0.002 0.428 -2.095

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8 H9 H10
N11.02101.46671.46672.17142.17142.09212.09212.10152.1015
H21.02102.07102.07102.55572.55572.95262.95262.37322.3732
C31.46672.07102.44141.10592.74451.09472.70931.09293.3802
C41.46672.07102.44142.74451.10592.70931.09473.38021.0929
H52.17142.55571.10592.74452.58441.77513.10691.78543.7441
H62.17142.55572.74451.10592.58443.10691.77513.74411.7854
H72.09212.95261.09472.70931.77513.10692.51581.76933.6978
H82.09212.95262.70931.09473.10691.77512.51583.69781.7693
H92.10152.37321.09293.38021.78543.74411.76933.69784.1907
H102.10152.37323.38021.09293.74411.78543.69781.76934.1907

picture of Dimethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 H5 114.412 N1 C3 H7 108.656
N1 C3 H9 109.505 N1 C4 H6 114.412
N1 C4 H8 108.656 N1 C4 H10 109.505
H2 N1 C3 111.453 H2 N1 C4 111.453
C3 N1 C4 112.662 H5 C3 H7 107.542
H5 C3 H9 108.578 H6 C4 H8 107.542
H6 C4 H10 108.578 H7 C3 H9 107.951
H8 C4 H10 107.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.590      
2 H 0.283      
3 C -0.440      
4 C -0.440      
5 H 0.169      
6 H 0.169      
7 H 0.214      
8 H 0.214      
9 H 0.211      
10 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.014 -0.376 0.000 1.081
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.759 -2.231 0.000
y -2.231 -20.700 0.000
z 0.000 0.000 -18.993
Traceless
 xyz
x -0.912 -2.231 0.000
y -2.231 -0.825 0.000
z 0.000 0.000 1.737
Polar
3z2-r23.473
x2-y2-0.058
xy-2.231
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.670 -0.173 0.000
y -0.173 3.982 0.000
z 0.000 0.000 4.718


<r2> (average value of r2) Å2
<r2> 57.512
(<r2>)1/2 7.584