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

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-212.251830
Energy at 298.15K-212.264704
HF Energy-212.251830
Nuclear repulsion energy187.892227
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/SDD
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' 3785 3408 0.07      
2 A' 3294 2966 111.64      
3 A' 3271 2945 163.33      
4 A' 3237 2915 47.08      
5 A' 3193 2875 32.48      
6 A' 3125 2813 235.09      
7 A' 1683 1515 1.44      
8 A' 1651 1486 5.50      
9 A' 1641 1477 16.56      
10 A' 1570 1414 3.45      
11 A' 1553 1399 2.29      
12 A' 1429 1287 3.30      
13 A' 1338 1205 6.16      
14 A' 1279 1152 22.45      
15 A' 1143 1029 6.58      
16 A' 963 867 0.76      
17 A' 906 815 1.34      
18 A' 692 623 142.51      
19 A' 445 401 2.27      
20 A' 267 241 2.12      
21 A' 196 176 2.36      
22 A' 109 98 2.59      
23 A" 3294 2966 12.84      
24 A" 3269 2944 48.25      
25 A" 3231 2909 0.49      
26 A" 3192 2874 64.60      
27 A" 3116 2805 7.71      
28 A" 1673 1506 2.04      
29 A" 1657 1492 13.89      
30 A" 1647 1483 14.04      
31 A" 1631 1469 21.33      
32 A" 1563 1408 18.59      
33 A" 1501 1352 17.28      
34 A" 1406 1266 3.48      
35 A" 1274 1147 64.60      
36 A" 1237 1114 8.73      
37 A" 1166 1050 0.74      
38 A" 1018 917 0.58      
39 A" 889 801 0.59      
40 A" 455 410 0.47      
41 A" 265 239 0.50      
42 A" 106 95 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 35179.7 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 31675.8 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/SDD
ABC
0.58498 0.06922 0.06505

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.014 -0.241 0.000
C2 0.014 0.532 1.243
C3 0.014 0.532 -1.243
C4 0.014 -0.391 2.464
C5 0.014 -0.391 -2.464
H6 -0.659 -0.983 0.000
H7 -0.840 1.212 1.299
H8 0.907 1.148 1.254
H9 -0.840 1.212 -1.299
H10 0.907 1.148 -1.254
H11 0.038 0.186 3.383
H12 -0.878 -1.011 2.485
H13 0.879 -1.043 2.443
H14 0.038 0.186 -3.383
H15 -0.878 -1.011 -2.485
H16 0.879 -1.043 -2.443

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46371.46372.46882.46881.00122.12842.07332.12842.07333.40962.75022.71243.40962.75022.7124
C21.46372.48601.53053.82032.07131.09391.08452.76672.72252.16752.17202.16034.63864.13204.1002
C31.46372.48603.82031.53052.07132.76672.72251.09391.08454.63864.13204.10022.16752.17202.1603
C42.46881.53053.82034.92862.62212.15832.15144.17884.12201.08491.08651.08315.87545.06725.0251
C52.46883.82031.53054.92862.62214.17884.12202.15832.15145.87545.06725.02511.08491.08651.0831
H61.00122.07132.07132.62212.62212.55682.92602.55682.92603.64602.49502.88683.64602.49502.8868
H72.12841.09392.76672.15834.17882.55681.74862.59783.09412.48322.52003.05784.87254.38894.6949
H82.07331.08452.72252.15144.12202.92601.74863.09412.50832.49193.05922.49294.81454.67184.2975
H92.12842.76671.09394.17882.15832.55682.59783.09411.74864.87254.38894.69492.48322.52003.0578
H102.07332.72251.08454.12202.15142.92603.09412.50831.74864.81454.67184.29752.49193.05922.4929
H113.40962.16754.63861.08495.87543.64602.48322.49194.87254.81451.75411.76126.76536.05826.0127
H122.75022.17204.13201.08655.06722.49502.52003.05924.38894.67181.75411.75726.05824.97035.2316
H132.71242.16034.10021.08315.02512.88683.05782.49294.69494.29751.76121.75726.01275.23164.8854
H143.40964.63862.16755.87541.08493.64604.87254.81452.48322.49196.76536.05826.01271.75411.7612
H152.75024.13202.17205.06721.08652.49504.38894.67182.52003.05926.05824.97035.23161.75411.7572
H162.71244.10022.16035.02511.08312.88684.69494.29753.05782.49296.01275.23164.88541.76121.7572

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 111.063 N1 C2 H7 111.839
N1 C2 H8 107.984 N1 C3 C5 111.063
N1 C3 H9 111.839 N1 C3 H10 107.984
C2 N1 C3 116.257 C2 N1 H6 113.013
C2 C4 H11 110.785 C2 C4 H12 111.049
C2 C4 H13 110.314 C3 N1 H6 113.013
C3 C5 H14 110.785 C3 C5 H15 111.049
C3 C5 H16 110.314 C4 C2 H7 109.530
C4 C2 H8 109.526 C5 C3 H8 150.265
C5 C3 H10 109.526 H7 C2 H8 106.775
H9 C3 H10 106.775 H11 C4 H12 107.770
H11 C4 H13 108.650 H12 C4 H13 108.176
H14 C5 H15 107.770 H14 C5 H16 108.650
H15 C5 H16 108.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.527      
2 C -0.144      
3 C -0.144      
4 C -0.576      
5 C -0.576      
6 H 0.282      
7 H 0.141      
8 H 0.172      
9 H 0.141      
10 H 0.172      
11 H 0.173      
12 H 0.162      
13 H 0.195      
14 H 0.173      
15 H 0.162      
16 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.995 0.468 0.000 1.100
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.265 1.707 0.000
y 1.707 -34.169 0.000
z 0.000 0.000 -33.089
Traceless
 xyz
x -0.636 1.707 0.000
y 1.707 -0.492 0.000
z 0.000 0.000 1.128
Polar
3z2-r22.255
x2-y2-0.096
xy1.707
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.250 0.171 0.000
y 0.171 6.663 0.000
z 0.000 0.000 8.164


<r2> (average value of r2) Å2
<r2> 189.284
(<r2>)1/2 13.758