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All results from a given calculation for CH3NHCH3 (Dimethylamine)

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-134.422399
Energy at 298.15K-134.430533
Nuclear repulsion energy83.229785
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/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' 3428 3298 2.20      
2 A' 3111 2992 36.15      
3 A' 3064 2948 50.78      
4 A' 2931 2819 160.36      
5 A' 1592 1532 1.14      
6 A' 1561 1501 13.80      
7 A' 1509 1452 0.96      
8 A' 1276 1228 1.35      
9 A' 1190 1145 0.99      
10 A' 934 898 0.87      
11 A' 694 667 141.07      
12 A' 377 363 13.94      
13 A' 255 246 4.10      
14 A" 3109 2991 23.31      
15 A" 3062 2946 23.93      
16 A" 2922 2811 42.42      
17 A" 1584 1524 9.52      
18 A" 1550 1491 11.23      
19 A" 1518 1460 2.42      
20 A" 1483 1426 1.41      
21 A" 1149 1105 29.15      
22 A" 1111 1069 0.15      
23 A" 1046 1006 14.32      
24 A" 257 247 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 20355.5 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 19582.0 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/3-21G*
ABC
1.13450 0.30305 0.26694

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.025 0.587 0.000
H2 -0.754 1.252 0.000
C3 0.025 -0.228 1.231
C4 0.025 -0.228 -1.231
H5 -0.813 -0.947 1.305
H6 -0.813 -0.947 -1.305
H7 0.958 -0.801 1.274
H8 0.958 -0.801 -1.274
H9 -0.007 0.434 2.102
H10 -0.007 0.434 -2.102

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8 H9 H10
N11.02441.47571.47572.18152.18152.10222.10222.10782.1078
H21.02442.07622.07622.55812.55812.96122.96122.37622.3762
C31.47572.07622.46131.10742.76591.09602.73371.09453.3979
C41.47572.07622.46132.76591.10742.73371.09603.39791.0945
H52.18152.55811.10742.76592.60981.77793.13231.78723.7638
H62.18152.55812.76591.10742.60983.13231.77793.76381.7872
H72.10222.96121.09602.73371.77793.13232.54811.77233.7220
H82.10222.96122.73371.09603.13231.77792.54813.72201.7723
H92.10782.37621.09453.39791.78723.76381.77233.72204.2041
H102.10782.37623.39791.09453.76381.78723.72201.77234.2041

picture of Dimethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 H5 114.492 N1 C3 H7 108.758
N1 C3 H9 109.293 N1 C4 H6 114.492
N1 C4 H8 108.758 N1 C4 H10 109.293
H2 N1 C3 111.005 H2 N1 C4 111.005
C3 N1 C4 113.016 H5 C3 H7 107.580
H5 C3 H9 108.516 H6 C4 H8 107.580
H6 C4 H10 108.516 H7 C3 H9 108.011
H8 C4 H10 108.011
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.563      
2 H 0.267      
3 C -0.397      
4 C -0.397      
5 H 0.154      
6 H 0.154      
7 H 0.198      
8 H 0.198      
9 H 0.193      
10 H 0.193      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.997 -0.381 0.000 1.067
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.833 -2.190 0.000
y -2.190 -20.858 0.000
z 0.000 0.000 -19.170
Traceless
 xyz
x -0.819 -2.190 0.000
y -2.190 -0.857 0.000
z 0.000 0.000 1.676
Polar
3z2-r23.351
x2-y20.025
xy-2.190
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.676 -0.185 0.000
y -0.185 3.994 0.000
z 0.000 0.000 4.762


<r2> (average value of r2) Å2
<r2> 58.127
(<r2>)1/2 7.624