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

using model chemistry: LSDA/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 LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-212.643526
Energy at 298.15K-212.656077
HF Energy-212.643526
Nuclear repulsion energy189.811813
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 LSDA/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' 3426 3371 0.21      
2 A' 3085 3035 17.39      
3 A' 3059 3010 33.93      
4 A' 2979 2932 24.38      
5 A' 2956 2908 39.34      
6 A' 2825 2779 158.64      
7 A' 1459 1436 3.15      
8 A' 1428 1405 1.38      
9 A' 1413 1390 17.23      
10 A' 1367 1345 3.24      
11 A' 1322 1301 2.30      
12 A' 1261 1241 3.58      
13 A' 1195 1176 2.32      
14 A' 1134 1116 15.65      
15 A' 1078 1061 9.39      
16 A' 877 863 6.58      
17 A' 791 778 3.13      
18 A' 730 719 76.04      
19 A' 425 418 0.40      
20 A' 254 250 0.62      
21 A' 175 172 0.90      
22 A' 109 107 0.56      
23 A" 3085 3035 8.37      
24 A" 3059 3010 5.43      
25 A" 2979 2931 16.92      
26 A" 2958 2910 0.60      
27 A" 2822 2777 19.96      
28 A" 1446 1422 10.88      
29 A" 1435 1412 14.32      
30 A" 1421 1398 14.52      
31 A" 1404 1381 15.12      
32 A" 1335 1313 23.72      
33 A" 1292 1271 25.96      
34 A" 1223 1203 3.06      
35 A" 1204 1184 34.68      
36 A" 1078 1061 2.60      
37 A" 1044 1027 12.18      
38 A" 936 921 0.02      
39 A" 777 765 0.30      
40 A" 410 403 0.61      
41 A" 255 251 0.78      
42 A" 127 125 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 31816.7 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 31307.6 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 LSDA/6-31G(2df,p)
ABC
0.59345 0.07186 0.06767

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.274 0.000
C2 0.017 0.512 1.200
C3 0.017 0.512 -1.200
C4 0.017 -0.369 2.421
C5 0.017 -0.369 -2.421
H6 -0.782 -0.916 0.000
H7 -0.836 1.235 1.248
H8 0.931 1.139 1.187
H9 -0.836 1.235 -1.248
H10 0.931 1.139 -1.187
H11 0.060 0.224 3.348
H12 -0.900 -0.984 2.464
H13 0.878 -1.056 2.397
H14 0.060 0.224 -3.348
H15 -0.900 -0.984 -2.464
H16 0.878 -1.056 -2.397

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.43421.43422.42302.42301.02522.13612.05912.13612.05913.38522.72332.66473.38522.72332.6647
C21.43422.40031.50523.72672.02921.11981.10882.69172.63212.16762.16192.15204.55764.06244.0175
C31.43422.40033.72671.50522.02922.69172.63211.11981.10884.55764.06244.01752.16762.16192.1520
C42.42301.50523.72674.84232.60772.16262.15214.09444.01591.10111.10461.10175.79985.00854.9429
C52.42303.72671.50524.84232.60774.09444.01592.16262.15215.79985.00854.94291.10111.10461.1017
H61.02522.02922.02922.60772.60772.48822.92702.48822.92703.63582.46802.91923.63582.46802.9192
H72.13611.11982.69172.16264.09442.48821.77112.49613.01042.49722.53113.08354.79074.32544.6343
H82.05911.10882.63212.15214.01592.92701.77113.01042.37402.50343.08032.50664.70784.60314.2031
H92.13612.69171.11984.09442.16262.48822.49613.01041.77114.79074.32544.63432.49722.53113.0835
H102.05912.63211.10884.01592.15212.92703.01042.37401.77114.70784.60314.20312.50343.08032.5066
H113.38522.16764.55761.10115.79983.63582.49722.50344.79074.70781.77761.79186.69636.01355.9429
H122.72332.16194.06241.10465.00852.46802.53113.08034.32544.60311.77761.78056.01354.92855.1770
H132.66472.15204.01751.10174.94292.91923.08352.50664.63434.20311.79181.78055.94295.17704.7949
H143.38524.55762.16765.79981.10113.63584.79074.70782.49722.50346.69636.01355.94291.77761.7918
H152.72334.06242.16195.00851.10462.46804.32544.60312.53113.08036.01354.92855.17701.77761.7805
H162.66474.01752.15204.94291.10172.91924.63434.20313.08352.50665.94295.17704.79491.79181.7805

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 111.011 N1 C2 H7 112.938
N1 C2 H8 107.443 N1 C3 C5 111.011
N1 C3 H9 112.938 N1 C3 H10 107.443
C2 N1 C3 113.602 C2 N1 H6 110.077
C2 C4 H11 111.601 C2 C4 H12 110.927
C2 C4 H13 110.313 C3 N1 H6 110.077
C3 C5 H14 111.601 C3 C5 H15 110.927
C3 C5 H16 110.313 C4 C2 H7 110.077
C4 C2 H8 109.899 C5 C3 H8 151.047
C5 C3 H10 109.899 H7 C2 H8 105.257
H9 C3 H10 105.257 H11 C4 H12 107.401
H11 C4 H13 108.858 H12 C4 H13 107.604
H14 C5 H15 107.401 H14 C5 H16 108.858
H15 C5 H16 107.604
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.220      
2 C -0.185      
3 C -0.185      
4 C -0.497      
5 C -0.497      
6 H 0.228      
7 H 0.097      
8 H 0.131      
9 H 0.097      
10 H 0.131      
11 H 0.148      
12 H 0.142      
13 H 0.159      
14 H 0.148      
15 H 0.142      
16 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.664 0.143 0.000 0.680
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.431 1.573 0.000
y 1.573 -34.072 0.000
z 0.000 0.000 -33.051
Traceless
 xyz
x 0.131 1.573 0.000
y 1.573 -0.831 0.000
z 0.000 0.000 0.701
Polar
3z2-r21.402
x2-y20.641
xy1.573
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.231 0.086 0.000
y 0.086 7.730 0.000
z 0.000 0.000 9.937


<r2> (average value of r2) Å2
<r2> 183.522
(<r2>)1/2 13.547