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All results from a given calculation for NH(C2H5)2 (diethylamine)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-212.222735
Energy at 298.15K-212.235658
HF Energy-212.222735
Nuclear repulsion energy188.621350
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 HF/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' 3775 3409 0.07      
2 A' 3276 2958 73.12      
3 A' 3252 2936 107.14      
4 A' 3211 2899 52.94      
5 A' 3186 2877 24.85      
6 A' 3096 2795 192.19      
7 A' 1698 1533 0.30      
8 A' 1659 1498 3.31      
9 A' 1650 1490 13.30      
10 A' 1579 1425 4.73      
11 A' 1569 1416 0.53      
12 A' 1441 1301 2.80      
13 A' 1349 1218 5.55      
14 A' 1288 1163 18.65      
15 A' 1136 1025 4.82      
16 A' 970 876 0.23      
17 A' 915 826 0.47      
18 A' 686 619 140.56      
19 A' 453 409 2.35      
20 A' 271 245 1.84      
21 A' 198 179 2.23      
22 A' 107 97 2.46      
23 A" 3276 2958 11.30      
24 A" 3251 2935 33.67      
25 A" 3205 2894 0.90      
26 A" 3185 2876 39.36      
27 A" 3088 2788 6.92      
28 A" 1686 1522 1.31      
29 A" 1673 1510 20.73      
30 A" 1656 1496 10.77      
31 A" 1643 1484 10.66      
32 A" 1574 1422 12.50      
33 A" 1512 1366 25.01      
34 A" 1419 1281 3.49      
35 A" 1276 1152 61.02      
36 A" 1249 1127 11.33      
37 A" 1173 1059 0.42      
38 A" 1021 922 0.45      
39 A" 900 813 0.36      
40 A" 464 419 0.37      
41 A" 270 244 0.59      
42 A" 106 96 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 35195.7 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 31778.2 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 HF/6-31G
ABC
0.58328 0.07002 0.06573

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.014 -0.227 0.000
C2 0.014 0.533 1.240
C3 0.014 0.533 -1.240
C4 0.014 -0.397 2.447
C5 0.014 -0.397 -2.447
H6 -0.644 -0.979 0.000
H7 -0.839 1.215 1.302
H8 0.906 1.150 1.255
H9 -0.839 1.215 -1.302
H10 0.906 1.150 -1.255
H11 0.049 0.168 3.372
H12 -0.883 -1.009 2.468
H13 0.872 -1.057 2.413
H14 0.049 0.168 -3.372
H15 -0.883 -1.009 -2.468
H16 0.872 -1.057 -2.413

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45431.45432.45332.45330.99922.12252.06602.12252.06603.39542.73972.69163.39542.73972.6916
C21.45432.47911.52443.80242.06321.09381.08472.76662.72012.16392.16582.15414.62634.11444.0747
C31.45432.47913.80241.52442.06322.76662.72011.09381.08474.62634.11444.07472.16392.16582.1541
C42.45331.52443.80244.89482.60042.15342.14734.16994.11061.08411.08581.08275.84705.03404.9792
C52.45333.80241.52444.89482.60044.16994.11062.15342.14735.84705.03404.97921.08411.08581.0827
H60.99922.06322.06322.60042.60042.55942.91762.55942.91763.62872.47982.85043.62872.47982.8504
H72.12251.09382.76662.15344.16992.55941.74632.60493.09642.48362.51143.05304.87204.37784.6787
H82.06601.08472.72012.14734.11062.91761.74633.09642.51002.48643.05482.49264.80734.66074.2808
H92.12252.76661.09384.16992.15342.55942.60493.09641.74634.87204.37784.67872.48362.51143.0530
H102.06602.72011.08474.11062.14732.91763.09642.51001.74634.80734.66074.28082.48643.05482.4926
H113.39542.16394.62631.08415.84703.62872.48362.48644.87204.80731.75201.76006.74436.03005.9701
H122.73972.16584.11441.08585.03402.47982.51143.05484.37784.66071.75201.75596.03004.93625.1868
H132.69162.15414.07471.08274.97922.85043.05302.49264.67874.28081.76001.75595.97015.18684.8255
H143.39544.62632.16395.84701.08413.62874.87204.80732.48362.48646.74436.03005.97011.75201.7600
H152.73974.11442.16585.03401.08582.47984.37784.66072.51143.05486.03004.93625.18681.75201.7559
H162.69164.07472.15414.97921.08272.85044.67874.28083.05302.49265.97015.18684.82551.76001.7559

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.873 N1 C2 H7 112.041
N1 C2 H8 108.039 N1 C3 C5 110.873
N1 C3 H9 112.041 N1 C3 H10 108.039
C2 N1 C3 116.934 C2 N1 H6 113.170
C2 C4 H11 110.982 C2 C4 H12 111.028
C2 C4 H13 110.277 C3 N1 H6 113.170
C3 C5 H14 110.982 C3 C5 H15 111.028
C3 C5 H16 110.277 C4 C2 H7 109.572
C4 C2 H8 109.621 C5 C3 H8 149.888
C5 C3 H10 109.621 H7 C2 H8 106.572
H9 C3 H10 106.572 H11 C4 H12 107.681
H11 C4 H13 108.635 H12 C4 H13 108.135
H14 C5 H15 107.681 H14 C5 H16 108.635
H15 C5 H16 108.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.762      
2 C -0.066      
3 C -0.066      
4 C -0.459      
5 C -0.459      
6 H 0.314      
7 H 0.125      
8 H 0.159      
9 H 0.125      
10 H 0.159      
11 H 0.151      
12 H 0.143      
13 H 0.171      
14 H 0.151      
15 H 0.143      
16 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.907 0.349 0.000 0.972
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.628 1.672 0.000
y 1.672 -34.204 0.000
z 0.000 0.000 -33.062
Traceless
 xyz
x -0.996 1.672 0.000
y 1.672 -0.359 0.000
z 0.000 0.000 1.354
Polar
3z2-r22.709
x2-y2-0.424
xy1.672
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.449 0.149 0.000
y 0.149 6.827 0.000
z 0.000 0.000 8.272


<r2> (average value of r2) Å2
<r2> 187.740
(<r2>)1/2 13.702