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

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-210.888357
Energy at 298.15K-210.900537
HF Energy-210.888357
Nuclear repulsion energy183.872702
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 PBEPBE/STO-3G
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' 3433 3136 20.87      
2 A' 3427 3131 1.42      
3 A' 3415 3120 2.58      
4 A' 3331 3043 8.03      
5 A' 3251 2970 1.59      
6 A' 3186 2911 39.74      
7 A' 1655 1512 3.81      
8 A' 1639 1497 7.08      
9 A' 1632 1491 1.40      
10 A' 1530 1397 0.71      
11 A' 1468 1341 0.68      
12 A' 1379 1259 1.34      
13 A' 1310 1197 2.23      
14 A' 1193 1090 7.17      
15 A' 1100 1005 0.42      
16 A' 994 908 24.84      
17 A' 862 787 7.02      
18 A' 789 721 25.23      
19 A' 422 385 0.03      
20 A' 221 202 1.69      
21 A' 186 170 1.03      
22 A' 107 98 1.93      
23 A" 3427 3131 0.41      
24 A" 3415 3120 0.44      
25 A" 3334 3046 0.20      
26 A" 3251 2970 2.42      
27 A" 3187 2912 5.34      
28 A" 1653 1510 0.00      
29 A" 1639 1498 0.08      
30 A" 1628 1487 4.22      
31 A" 1543 1410 4.44      
32 A" 1526 1394 2.84      
33 A" 1408 1286 40.98      
34 A" 1343 1227 3.35      
35 A" 1160 1060 3.67      
36 A" 1123 1026 9.20      
37 A" 1108 1013 9.90      
38 A" 984 899 0.36      
39 A" 842 769 1.19      
40 A" 411 375 0.61      
41 A" 222 203 0.56      
42 A" 125 114 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 34927.8 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 31910.0 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 PBEPBE/STO-3G
ABC
0.57333 0.06667 0.06303

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.020 -0.373 0.000
C2 0.020 0.523 1.236
C3 0.020 0.523 -1.236
C4 0.020 -0.350 2.523
C5 0.020 -0.350 -2.523
H6 -0.958 -0.814 0.000
H7 -0.840 1.240 1.264
H8 0.952 1.129 1.198
H9 -0.840 1.240 -1.264
H10 0.952 1.129 -1.198
H11 0.080 0.292 3.423
H12 -0.905 -0.953 2.587
H13 0.885 -1.037 2.517
H14 0.080 0.292 -3.423
H15 -0.905 -0.953 -2.587
H16 0.885 -1.037 -2.517

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.52711.52712.52332.52331.07262.22252.13542.22252.13543.48712.80822.74343.48712.80822.7434
C21.52712.47251.55523.85962.06721.12001.11222.73932.67562.19952.20482.19674.66514.20184.1561
C31.52712.47253.85961.55522.06722.73932.67561.12001.11224.66514.20184.15612.19952.20482.1967
C42.52331.55523.85965.04652.74562.20302.19394.19634.11101.10631.10641.10525.98075.22855.1602
C52.52333.85961.55525.04652.74564.19634.11102.20302.19395.98075.22855.16021.10631.10641.1052
H61.07262.06722.06722.74562.74562.41452.97612.41452.97613.74362.59153.12773.74362.59153.1277
H72.22251.12002.73932.20304.19632.41451.79682.52763.04672.53132.56233.12004.86924.43224.7391
H82.13541.11222.67562.19394.11102.97611.79683.04672.39512.53233.11712.53784.77574.70214.3010
H92.22252.73931.12004.19632.20302.41452.52763.04671.79684.86924.43224.73912.53132.56233.1200
H102.13542.67561.11224.11102.19392.97613.04672.39511.79684.77574.70214.30102.53233.11712.5378
H113.48712.19954.66511.10635.98073.74362.53132.53234.86924.77571.79401.79846.84536.21606.1397
H122.80822.20484.20181.10645.22852.59152.56233.11714.43224.70211.79401.79386.21605.17445.4099
H132.74342.19674.15611.10525.16023.12773.12002.53784.73914.30101.79841.79386.13975.40995.0344
H143.48714.66512.19955.98071.10633.74364.86924.77572.53132.53236.84536.21606.13971.79401.7984
H152.80824.20182.20485.22851.10642.59154.43224.70212.56233.11716.21605.17445.40991.79401.7938
H162.74344.15612.19675.16021.10523.12774.73914.30103.12002.53786.13975.40995.03441.79841.7938

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 109.896 N1 C2 H7 113.297
N1 C2 H8 106.959 N1 C3 C5 109.896
N1 C3 H9 113.297 N1 C3 H10 106.959
C2 N1 C3 108.099 C2 N1 H6 103.966
C2 C4 H11 110.325 C2 C4 H12 110.735
C2 C4 H13 110.167 C3 N1 H6 103.966
C3 C5 H14 110.325 C3 C5 H15 110.735
C3 C5 H16 110.167 C4 C2 H7 109.805
C4 C2 H8 109.552 C5 C3 H8 151.630
C5 C3 H10 109.552 H7 C2 H8 107.211
H9 C3 H10 107.211 H11 C4 H12 108.339
H11 C4 H13 108.818 H12 C4 H13 108.396
H14 C5 H15 108.339 H14 C5 H16 108.818
H15 C5 H16 108.396
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.284      
2 C -0.080      
3 C -0.080      
4 C -0.233      
5 C -0.233      
6 H 0.147      
7 H 0.062      
8 H 0.079      
9 H 0.062      
10 H 0.079      
11 H 0.079      
12 H 0.075      
13 H 0.087      
14 H 0.079      
15 H 0.075      
16 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.015 0.805 0.000 1.295
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.769 1.160 0.000
y 1.160 -31.895 0.000
z 0.000 0.000 -30.383
Traceless
 xyz
x 0.370 1.160 0.000
y 1.160 -1.319 0.000
z 0.000 0.000 0.949
Polar
3z2-r21.898
x2-y21.125
xy1.160
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.560 0.242 0.000
y 0.242 3.642 0.000
z 0.000 0.000 5.090


<r2> (average value of r2) Å2
<r2> 193.194
(<r2>)1/2 13.899