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

using model chemistry: HF/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-38.038222
Energy at 298.15K-38.051180
HF Energy-38.038222
Nuclear repulsion energy110.031948
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/CEP-121G*
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' 3729 3369 0.99      
2 A' 3263 2948 114.15      
3 A' 3241 2928 174.18      
4 A' 3214 2903 27.05      
5 A' 3176 2870 30.00      
6 A' 3110 2810 221.68      
7 A' 1662 1502 0.24      
8 A' 1628 1471 3.13      
9 A' 1621 1464 9.43      
10 A' 1571 1419 1.38      
11 A' 1520 1374 0.08      
12 A' 1433 1295 7.82      
13 A' 1331 1203 2.01      
14 A' 1266 1144 20.60      
15 A' 1123 1014 8.35      
16 A' 960 868 5.25      
17 A' 889 803 15.76      
18 A' 840 759 71.56      
19 A' 446 403 0.56      
20 A' 272 245 1.60      
21 A' 199 180 0.75      
22 A' 120 109 1.82      
23 A" 3263 2948 12.83      
24 A" 3239 2926 44.71      
25 A" 3206 2896 2.36      
26 A" 3175 2868 57.49      
27 A" 3100 2801 5.75      
28 A" 1655 1495 33.44      
29 A" 1646 1487 12.93      
30 A" 1626 1469 3.73      
31 A" 1615 1459 14.03      
32 A" 1546 1397 8.13      
33 A" 1480 1337 34.36      
34 A" 1390 1256 2.90      
35 A" 1242 1122 55.34      
36 A" 1204 1088 7.72      
37 A" 1144 1033 0.03      
38 A" 997 901 0.96      
39 A" 857 774 0.44      
40 A" 451 408 0.30      
41 A" 271 245 0.51      
42 A" 113 102 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 34916.7 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 31543.7 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/CEP-121G*
ABC
0.59447 0.06957 0.06559

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.281 0.000
C2 0.017 0.520 1.221
C3 0.017 0.520 -1.221
C4 0.017 -0.374 2.464
C5 0.017 -0.374 -2.464
H6 -0.790 -0.878 0.000
H7 -0.834 1.210 1.263
H8 0.916 1.133 1.218
H9 -0.834 1.210 -1.263
H10 0.916 1.133 -1.218
H11 0.046 0.228 3.370
H12 -0.880 -0.990 2.505
H13 0.879 -1.034 2.459
H14 0.046 0.228 -3.370
H15 -0.880 -0.990 -2.505
H16 0.879 -1.034 -2.459

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46011.46012.46612.46611.00462.13102.07132.13102.07133.40822.75402.71243.40822.75402.7124
C21.46012.44221.53123.79232.02431.09621.08792.71532.67082.16882.17582.16594.60044.11954.0867
C31.46012.44223.79231.53122.02432.71532.67081.09621.08794.60044.11954.08672.16882.17582.1659
C42.46611.53123.79234.92862.64182.16192.15234.13864.07921.08761.08911.08605.86535.08735.0415
C52.46613.79231.53124.92862.64184.13864.07922.16192.15235.86535.08735.04151.08761.08911.0860
H61.00462.02432.02432.64182.64182.44082.90522.44082.90523.64402.50932.97623.64402.50932.9762
H72.13101.09622.71532.16194.13862.44081.75172.52703.03722.48502.52653.06584.81734.36404.6718
H82.07131.08792.67082.15234.07922.90521.75173.03722.43622.49153.06432.49804.75694.64724.2686
H92.13102.71531.09624.13862.16192.44082.52703.03721.75174.81734.36404.67182.48502.52653.0658
H102.07132.67081.08794.07922.15232.90523.03722.43621.75174.75694.64724.26862.49153.06432.4980
H113.40822.16884.60041.08765.86533.64402.48502.49154.81734.75691.75721.76576.73996.07106.0218
H122.75402.17584.11951.08915.08732.50932.52653.06434.36404.64721.75721.76036.07105.01045.2667
H132.71242.16594.08671.08605.04152.97623.06582.49804.67184.26861.76571.76036.02185.26674.9177
H143.40824.60042.16885.86531.08763.64404.81734.75692.48502.49156.73996.07106.02181.75721.7657
H152.75404.11952.17585.08731.08912.50934.36404.64722.52653.06436.07105.01045.26671.75721.7603
H162.71244.08672.16595.04151.08602.97624.67184.26863.06582.49806.02185.26674.91771.76571.7603

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 111.035 N1 C2 H7 112.164
N1 C2 H8 107.873 N1 C3 C5 111.035
N1 C3 H9 112.164 N1 C3 H10 107.873
C2 N1 C3 113.503 C2 N1 H6 109.037
C2 C4 H11 110.682 C2 C4 H12 111.150
C2 C4 H13 110.542 C3 N1 H6 109.037
C3 C5 H14 110.682 C3 C5 H15 111.150
C3 C5 H16 110.542 C4 C2 H7 109.624
C4 C2 H8 109.356 C5 C3 H8 151.118
C5 C3 H10 109.356 H7 C2 H8 106.645
H9 C3 H10 106.645 H11 C4 H12 107.657
H11 C4 H13 108.650 H12 C4 H13 108.053
H14 C5 H15 107.657 H14 C5 H16 108.650
H15 C5 H16 108.053
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.473      
2 C -0.159      
3 C -0.159      
4 C -0.487      
5 C -0.487      
6 H 0.298      
7 H 0.121      
8 H 0.144      
9 H 0.121      
10 H 0.144      
11 H 0.161      
12 H 0.142      
13 H 0.167      
14 H 0.161      
15 H 0.142      
16 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.923 0.546 0.000 1.072
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.758 1.749 0.000
y 1.749 -34.783 0.000
z 0.000 0.000 -33.596
Traceless
 xyz
x 0.432 1.749 0.000
y 1.749 -1.106 0.000
z 0.000 0.000 0.674
Polar
3z2-r21.349
x2-y21.025
xy1.749
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.123 0.068 0.000
y 0.068 7.452 0.000
z 0.000 0.000 9.031


<r2> (average value of r2) Å2
<r2> 156.236
(<r2>)1/2 12.499