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

using model chemistry: HF/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 HF/3-21G
 hartrees
Energy at 0K-211.138180
Energy at 298.15K-211.151102
HF Energy-211.138180
Nuclear repulsion energy187.962639
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/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' 3676 3329 0.11      
2 A' 3279 2969 55.93      
3 A' 3255 2948 92.17      
4 A' 3226 2921 25.07      
5 A' 3197 2895 16.73      
6 A' 3121 2826 148.69      
7 A' 1703 1542 0.63      
8 A' 1676 1517 3.34      
9 A' 1665 1508 13.25      
10 A' 1568 1420 6.61      
11 A' 1555 1408 0.52      
12 A' 1449 1312 1.78      
13 A' 1340 1213 5.06      
14 A' 1267 1148 14.59      
15 A' 1077 976 1.69      
16 A' 966 874 3.30      
17 A' 910 824 2.02      
18 A' 727 658 122.23      
19 A' 442 400 1.17      
20 A' 274 248 1.74      
21 A' 195 177 1.88      
22 A' 108 98 2.32      
23 A" 3278 2969 7.93      
24 A" 3253 2946 25.01      
25 A" 3221 2917 2.74      
26 A" 3197 2895 29.35      
27 A" 3115 2821 4.01      
28 A" 1692 1532 3.08      
29 A" 1676 1517 0.01      
30 A" 1670 1512 8.72      
31 A" 1635 1481 15.48      
32 A" 1566 1418 12.04      
33 A" 1495 1354 30.76      
34 A" 1424 1290 4.47      
35 A" 1235 1119 2.40      
36 A" 1222 1107 68.06      
37 A" 1152 1043 0.85      
38 A" 978 886 0.05      
39 A" 898 813 0.83      
40 A" 449 407 0.91      
41 A" 271 246 0.77      
42 A" 115 104 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 35107.9 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 31793.7 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/3-21G
ABC
0.57540 0.06974 0.06544

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.015 -0.245 0.000
C2 0.015 0.541 1.241
C3 0.015 0.541 -1.241
C4 0.015 -0.398 2.455
C5 0.015 -0.398 -2.455
H6 -0.716 -0.938 0.000
H7 -0.835 1.224 1.302
H8 0.915 1.145 1.250
H9 -0.835 1.224 -1.302
H10 0.915 1.145 -1.250
H11 0.078 0.164 3.379
H12 -0.895 -0.990 2.479
H13 0.860 -1.071 2.389
H14 0.078 0.164 -3.379
H15 -0.895 -0.990 -2.479
H16 0.860 -1.071 -2.389

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46901.46902.45932.45931.00682.13912.07472.13912.07473.40472.74342.66513.40472.74342.6651
C21.46902.48131.53483.81272.06411.09171.08352.76652.71602.17282.16892.15224.63604.12394.0605
C31.46902.48133.81271.53482.06412.76652.71601.09171.08354.63604.12394.06052.17282.16892.1522
C42.45931.53483.81274.90902.61732.16342.15434.17914.11251.08401.08531.08235.86135.05144.9625
C52.45933.81271.53484.90902.61734.17914.11252.16342.15435.86135.05144.96251.08401.08531.0823
H61.00682.06412.06412.61732.61732.52602.92542.52602.92543.64202.48592.86523.64202.48592.8652
H72.13911.09172.76652.16344.17912.52601.75222.60423.09512.50452.50753.05284.88614.38164.6650
H82.07471.08352.71602.15434.11252.92541.75223.09512.49982.48963.05622.49204.80564.66194.2607
H92.13912.76651.09174.17912.16342.52602.60423.09511.75224.88614.38164.66502.50452.50753.0528
H102.07472.71601.08354.11252.15432.92543.09512.49981.75224.80564.66194.26072.48963.05622.4920
H113.40472.17284.63601.08405.86133.64202.50452.48964.88614.80561.75701.76566.75906.04955.9507
H122.74342.16894.12391.08535.05142.48592.50753.05624.38164.66191.75701.75906.04954.95795.1751
H132.66512.15224.06051.08234.96252.86523.05282.49204.66504.26071.76561.75905.95075.17514.7779
H143.40474.63602.17285.86131.08403.64204.88614.80562.50452.48966.75906.04955.95071.75701.7656
H152.74344.12392.16895.05141.08532.48594.38164.66192.50753.05626.04954.95795.17511.75701.7590
H162.66514.06052.15224.96251.08232.86524.66504.26073.05282.49205.95075.17514.77791.76561.7590

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 109.895 N1 C2 H7 112.476
N1 C2 H8 107.784 N1 C3 C5 109.895
N1 C3 H9 112.476 N1 C3 H10 107.784
C2 N1 C3 115.255 C2 N1 H6 111.601
C2 C4 H11 110.960 C2 C4 H12 110.569
C2 C4 H13 109.425 C3 N1 H6 111.601
C3 C5 H14 110.960 C3 C5 H15 110.569
C3 C5 H16 109.425 C4 C2 H7 109.762
C4 C2 H8 109.522 C5 C3 H8 149.454
C5 C3 H10 109.522 H7 C2 H8 107.317
H9 C3 H10 107.317 H11 C4 H12 108.177
H11 C4 H13 109.180 H12 C4 H13 108.478
H14 C5 H15 108.177 H14 C5 H16 109.180
H15 C5 H16 108.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.722      
2 C -0.184      
3 C -0.184      
4 C -0.596      
5 C -0.596      
6 H 0.296      
7 H 0.173      
8 H 0.211      
9 H 0.173      
10 H 0.211      
11 H 0.197      
12 H 0.192      
13 H 0.221      
14 H 0.197      
15 H 0.192      
16 H 0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.903 0.458 0.000 1.012
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.302 1.626 0.000
y 1.626 -34.229 0.000
z 0.000 0.000 -33.142
Traceless
 xyz
x -0.616 1.626 0.000
y 1.626 -0.507 0.000
z 0.000 0.000 1.124
Polar
3z2-r22.247
x2-y2-0.072
xy1.626
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.155 0.191 0.000
y 0.191 6.479 0.000
z 0.000 0.000 8.098


<r2> (average value of r2) Å2
<r2> 188.315
(<r2>)1/2 13.723