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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G(2df,p)
 hartrees
Energy at 0K-213.549426
Energy at 298.15K-213.562108
HF Energy-213.549426
Nuclear repulsion energy188.936535
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 PBE1PBE/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' 3541 3389 0.26      
2 A' 3154 3019 32.88      
3 A' 3133 2999 53.82      
4 A' 3059 2928 62.13      
5 A' 3054 2923 3.67      
6 A' 2942 2815 152.17      
7 A' 1525 1459 1.52      
8 A' 1496 1432 1.74      
9 A' 1486 1422 12.21      
10 A' 1428 1367 2.93      
11 A' 1390 1330 0.66      
12 A' 1320 1264 3.92      
13 A' 1237 1183 1.45      
14 A' 1171 1121 15.16      
15 A' 1082 1036 5.98      
16 A' 908 869 7.76      
17 A' 823 787 1.52      
18 A' 768 735 71.02      
19 A' 428 410 0.30      
20 A' 256 245 0.88      
21 A' 184 176 0.93      
22 A' 111 107 0.92      
23 A" 3154 3019 11.13      
24 A" 3133 2998 10.73      
25 A" 3058 2926 10.67      
26 A" 3053 2922 16.11      
27 A" 2937 2811 13.00      
28 A" 1514 1448 13.27      
29 A" 1505 1440 9.94      
30 A" 1492 1428 7.21      
31 A" 1475 1412 11.59      
32 A" 1402 1342 13.95      
33 A" 1354 1295 29.95      
34 A" 1281 1226 3.32      
35 A" 1196 1144 44.30      
36 A" 1114 1066 7.24      
37 A" 1071 1025 4.15      
38 A" 955 914 0.08      
39 A" 805 770 0.44      
40 A" 423 405 0.45      
41 A" 257 246 0.68      
42 A" 120 115 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 32896.6 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 31482.0 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 PBE1PBE/6-31G(2df,p)
ABC
0.59438 0.07057 0.06651

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.279 0.000
C2 0.017 0.515 1.212
C3 0.017 0.515 -1.212
C4 0.017 -0.371 2.445
C5 0.017 -0.371 -2.445
H6 -0.796 -0.888 0.000
H7 -0.833 1.224 1.261
H8 0.925 1.133 1.204
H9 -0.833 1.224 -1.261
H10 0.925 1.133 -1.204
H11 0.060 0.228 3.359
H12 -0.893 -0.981 2.492
H13 0.875 -1.049 2.428
H14 0.060 0.228 -3.359
H15 -0.893 -0.981 -2.492
H16 0.875 -1.049 -2.428

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.44931.44932.44672.44671.01512.13812.06622.13812.06623.39752.74382.68773.39752.74382.6877
C21.44932.42401.51843.76282.02431.10761.09842.70882.65392.16662.16882.15904.58034.09684.0537
C31.44932.42403.76281.51842.02432.70882.65391.10761.09844.58034.09684.05372.16662.16882.1590
C42.44671.51843.76284.89002.62782.16082.15114.12274.04981.09381.09621.09365.83515.05674.9943
C52.44673.76281.51844.89002.62784.12274.04982.16082.15115.83515.05674.99431.09381.09621.0936
H61.01512.02432.02432.62782.62782.45982.91452.45982.91453.64162.49532.95173.64162.49532.9517
H72.13811.10762.70882.16084.12272.45981.76102.52113.02842.48842.52623.07334.80934.35264.6571
H82.06621.09842.65392.15114.04982.91451.76103.02842.40772.49253.07122.50234.73164.62934.2373
H92.13812.70881.10764.12272.16082.45982.52113.02841.76104.80934.35264.65712.48842.52623.0733
H102.06622.65391.09844.04982.15112.91453.02842.40771.76104.73164.62934.23732.49253.07122.5023
H113.39752.16664.58031.09385.83513.64162.48842.49254.80934.73161.76681.77826.71826.04995.9822
H122.74382.16884.09681.09625.05672.49532.52623.07124.35264.62931.76681.77016.04994.98345.2282
H132.68772.15904.05371.09364.99432.95173.07332.50234.65714.23731.77821.77015.98225.22824.8563
H143.39754.58032.16665.83511.09383.64164.80934.73162.48842.49256.71826.04995.98221.76681.7782
H152.74384.09682.16885.05671.09622.49534.35264.62932.52623.07126.04994.98345.22821.76681.7701
H162.68774.05372.15904.99431.09362.95174.65714.23733.07332.50235.98225.22824.85631.77821.7701

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 111.043 N1 C2 H7 112.805
N1 C2 H8 107.590 N1 C3 C5 111.043
N1 C3 H9 112.805 N1 C3 H10 107.590
C2 N1 C3 113.498 C2 N1 H6 109.185
C2 C4 H11 111.035 C2 C4 H12 111.063
C2 C4 H13 110.441 C3 N1 H6 109.185
C3 C5 H14 111.035 C3 C5 H15 111.063
C3 C5 H16 110.441 C4 C2 H7 109.753
C4 C2 H8 109.528 C5 C3 H8 151.054
C5 C3 H10 109.528 H7 C2 H8 105.935
H9 C3 H10 105.935 H11 C4 H12 107.561
H11 C4 H13 108.762 H12 C4 H13 107.864
H14 C5 H15 107.561 H14 C5 H16 108.762
H15 C5 H16 107.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.341      
2 C -0.143      
3 C -0.143      
4 C -0.455      
5 C -0.455      
6 H 0.231      
7 H 0.099      
8 H 0.128      
9 H 0.099      
10 H 0.128      
11 H 0.140      
12 H 0.135      
13 H 0.152      
14 H 0.140      
15 H 0.135      
16 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.727 0.296 0.000 0.785
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.099 1.537 0.000
y 1.537 -33.833 0.000
z 0.000 0.000 -32.909
Traceless
 xyz
x 0.271 1.537 0.000
y 1.537 -0.829 0.000
z 0.000 0.000 0.557
Polar
3z2-r21.115
x2-y20.734
xy1.537
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.976 0.099 0.000
y 0.099 7.397 0.000
z 0.000 0.000 9.516


<r2> (average value of r2) Å2
<r2> 185.839
(<r2>)1/2 13.632