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

using model chemistry: HF/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 HF/STO-3G
 hartrees
Energy at 0K-209.776661
Energy at 298.15K-209.789367
HF Energy-209.776661
Nuclear repulsion energy186.839508
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/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' 3969 3241 4.92      
2 A' 3762 3072 1.60      
3 A' 3752 3064 3.49      
4 A' 3691 3014 11.33      
5 A' 3572 2916 0.74      
6 A' 3563 2909 23.00      
7 A' 1850 1510 0.41      
8 A' 1829 1493 1.32      
9 A' 1826 1491 4.13      
10 A' 1744 1424 0.07      
11 A' 1677 1369 1.85      
12 A' 1541 1258 4.02      
13 A' 1453 1186 3.55      
14 A' 1364 1114 17.10      
15 A' 1250 1021 0.83      
16 A' 1082 884 14.19      
17 A' 979 799 7.00      
18 A' 914 746 41.03      
19 A' 471 385 0.42      
20 A' 245 200 1.87      
21 A' 208 169 0.91      
22 A' 117 95 2.24      
23 A" 3762 3071 0.45      
24 A" 3752 3064 0.49      
25 A" 3691 3014 0.01      
26 A" 3572 2916 2.23      
27 A" 3563 2909 1.44      
28 A" 1847 1508 2.68      
29 A" 1829 1493 0.06      
30 A" 1825 1490 2.11      
31 A" 1787 1459 13.61      
32 A" 1732 1414 0.06      
33 A" 1620 1323 52.15      
34 A" 1512 1235 0.77      
35 A" 1354 1106 3.60      
36 A" 1286 1050 3.68      
37 A" 1252 1022 2.81      
38 A" 1113 909 0.07      
39 A" 937 765 0.67      
40 A" 462 377 0.44      
41 A" 244 199 0.45      
42 A" 118 97 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 39057.3 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 31890.3 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/STO-3G
ABC
0.58894 0.06846 0.06461

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.019 -0.315 0.000
C2 0.019 0.523 1.229
C3 0.019 0.523 -1.229
C4 0.019 -0.366 2.487
C5 0.019 -0.366 -2.487
H6 -0.862 -0.857 0.000
H7 -0.836 1.208 1.262
H8 0.922 1.134 1.216
H9 -0.836 1.208 -1.262
H10 0.922 1.134 -1.216
H11 0.057 0.247 3.382
H12 -0.881 -0.974 2.528
H13 0.879 -1.028 2.480
H14 0.057 0.247 -3.382
H15 -0.881 -0.974 -2.528
H16 0.879 -1.028 -2.480

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.48741.48742.48792.48791.03382.15422.09642.15422.09643.42902.76262.72053.42902.76262.7205
C21.48742.45811.54093.82132.04681.09581.09082.72082.67762.17142.17612.17064.61994.14274.1116
C31.48742.45813.82131.54092.04682.72082.67761.09581.09084.61994.14274.11162.17142.17612.1706
C42.48791.54093.82134.97472.68372.17052.16414.15494.09691.08581.08611.08535.90195.13115.0850
C52.48793.82131.54094.97472.68374.15494.09692.17052.16415.90195.13115.08501.08581.08611.0853
H61.03382.04682.04682.68372.68372.41972.93692.41972.93693.67482.53043.03503.67482.53043.0350
H72.15421.09582.72082.17054.15492.41971.76042.52313.03932.49382.52263.07014.82584.37254.6843
H82.09641.09082.67762.16414.09692.93691.76043.03932.43262.49543.06812.50494.76274.65954.2828
H92.15422.72081.09584.15492.17052.41972.52313.03931.76044.82584.37254.68432.49382.52263.0701
H102.09642.67761.09084.09692.16412.93693.03932.43261.76044.76274.65954.28282.49543.06812.5049
H113.42902.17144.61991.08585.90193.67482.49382.49544.82584.76271.76101.76486.76496.10736.0560
H122.76262.17614.14271.08615.13112.53042.52263.06814.37254.65951.76101.76126.10735.05535.3085
H132.72052.17064.11161.08535.08503.03503.07012.50494.68434.28281.76481.76126.05605.30854.9609
H143.42904.61992.17145.90191.08583.67484.82584.76272.49382.49546.76496.10736.05601.76101.7648
H152.76264.14272.17615.13111.08612.53044.37254.65952.52263.06816.10735.05535.30851.76101.7612
H162.72054.11162.17065.08501.08533.03504.68434.28283.07012.50496.05605.30854.96091.76481.7612

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.470 N1 C2 H7 112.117
N1 C2 H8 107.816 N1 C3 C5 110.470
N1 C3 H9 112.117 N1 C3 H10 107.816
C2 N1 C3 111.439 C2 N1 H6 107.180
C2 C4 H11 110.312 C2 C4 H12 110.674
C2 C4 H13 110.283 C3 N1 H6 107.180
C3 C5 H14 110.312 C3 C5 H15 110.674
C3 C5 H16 110.283 C4 C2 H7 109.657
C4 C2 H8 109.445 C5 C3 H8 151.349
C5 C3 H10 109.445 H7 C2 H8 107.238
H9 C3 H10 107.238 H11 C4 H12 108.347
H11 C4 H13 108.755 H12 C4 H13 108.407
H14 C5 H15 108.347 H14 C5 H16 108.755
H15 C5 H16 108.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.324      
2 C -0.015      
3 C -0.015      
4 C -0.179      
5 C -0.179      
6 H 0.140      
7 H 0.041      
8 H 0.059      
9 H 0.041      
10 H 0.059      
11 H 0.060      
12 H 0.056      
13 H 0.069      
14 H 0.060      
15 H 0.056      
16 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.005 0.720 0.000 1.236
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.573 1.156 0.000
y 1.156 -32.360 0.000
z 0.000 0.000 -31.224
Traceless
 xyz
x 0.220 1.156 0.000
y 1.156 -0.962 0.000
z 0.000 0.000 0.743
Polar
3z2-r21.486
x2-y20.788
xy1.156
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.443 0.262 0.000
y 0.262 3.529 0.000
z 0.000 0.000 4.610


<r2> (average value of r2) Å2
<r2> 189.185
(<r2>)1/2 13.754