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All results from a given calculation for CH3NHCH3 (Dimethylamine)

using model chemistry: B1B95/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-135.092301
Energy at 298.15K-135.100446
Nuclear repulsion energy84.476750
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(2df,p)
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' 3564 3414 0.21      
2 A' 3129 2997 31.34      
3 A' 3073 2943 52.02      
4 A' 2955 2830 128.36      
5 A' 1514 1450 1.29      
6 A' 1490 1427 10.12      
7 A' 1463 1401 0.93      
8 A' 1269 1215 0.06      
9 A' 1187 1137 7.90      
10 A' 968 927 3.67      
11 A' 778 745 108.89      
12 A' 371 356 5.66      
13 A' 258 247 2.04      
14 A" 3129 2996 23.56      
15 A" 3075 2945 21.55      
16 A" 2952 2827 47.44      
17 A" 1514 1450 11.28      
18 A" 1480 1418 3.00      
19 A" 1469 1407 6.74      
20 A" 1433 1373 2.83      
21 A" 1201 1150 30.75      
22 A" 1101 1055 0.62      
23 A" 1032 988 7.74      
24 A" 239 229 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 20321.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 19462.2 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(2df,p)
ABC
1.15976 0.31492 0.27776

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.027 0.583 0.000
H2 -0.786 1.186 0.000
C3 0.027 -0.221 1.202
C4 0.027 -0.221 -1.202
H5 -0.795 -0.955 1.257
H6 -0.795 -0.955 -1.257
H7 0.966 -0.780 1.265
H8 0.966 -0.780 -1.265
H9 -0.032 0.424 2.082
H10 -0.032 0.424 -2.082

Atom - Atom Distances (Å)
  N1 H2 C3 C4 H5 H6 H7 H8 H9 H10
N11.01161.44641.44642.15042.15042.08312.08312.08882.0888
H21.01162.02102.02102.48322.48322.92092.92092.34152.3415
C31.44642.02102.40471.10402.69551.09462.69821.09213.3474
C41.44642.02102.40472.69551.10402.69821.09463.34741.0921
H52.15042.48321.10402.69552.51461.76983.08091.77933.6927
H62.15042.48322.69551.10402.51463.08091.76983.69271.7793
H72.08312.92091.09462.69821.76983.08092.52931.76433.6938
H82.08312.92092.69821.09463.08091.76982.52933.69381.7643
H92.08882.34151.09213.34741.77933.69271.76433.69384.1637
H102.08882.34153.34741.09213.69271.77933.69381.76434.1637

picture of Dimethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 H5 114.284 N1 C3 H7 109.351
N1 C3 H9 109.950 N1 C4 H6 114.284
N1 C4 H8 109.351 N1 C4 H10 109.950
H2 N1 C3 109.342 H2 N1 C4 109.342
C3 N1 C4 112.458 H5 C3 H7 107.214
H5 C3 H9 108.230 H6 C4 H8 107.214
H6 C4 H10 108.230 H7 C3 H9 107.576
H8 C4 H10 107.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.312      
2 H 0.231      
3 C -0.313      
4 C -0.313      
5 H 0.098      
6 H 0.098      
7 H 0.130      
8 H 0.130      
9 H 0.126      
10 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.865 -0.275 0.000 0.907
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.367 -1.969 0.000
y -1.969 -20.811 0.000
z 0.000 0.000 -19.521
Traceless
 xyz
x -0.201 -1.969 0.000
y -1.969 -0.866 0.000
z 0.000 0.000 1.067
Polar
3z2-r22.135
x2-y20.443
xy-1.969
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.219 -0.119 0.000
y -0.119 4.435 0.000
z 0.000 0.000 5.307


<r2> (average value of r2) Å2
<r2> 56.552
(<r2>)1/2 7.520