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

using model chemistry: MP2/6-31G(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 MP2/6-31G(2df,p)
 hartrees
Energy at 0K-213.207492
Energy at 298.15K-213.220242
HF Energy-212.343324
Nuclear repulsion energy188.961060
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 MP2/6-31G(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' 3554 3357 0.26      
2 A' 3215 3037 24.34      
3 A' 3195 3018 37.52      
4 A' 3127 2953 39.93      
5 A' 3106 2934 7.64      
6 A' 3017 2850 116.47      
7 A' 1557 1471 1.28      
8 A' 1531 1446 2.01      
9 A' 1521 1437 11.60      
10 A' 1444 1364 3.67      
11 A' 1412 1334 0.48      
12 A' 1341 1267 4.04      
13 A' 1252 1183 1.57      
14 A' 1182 1117 12.74      
15 A' 1090 1029 5.00      
16 A' 922 870 11.17      
17 A' 835 789 1.68      
18 A' 793 749 65.30      
19 A' 429 405 0.28      
20 A' 266 251 1.07      
21 A' 185 175 0.90      
22 A' 116 109 1.12      
23 A" 3215 3037 5.48      
24 A" 3195 3018 9.71      
25 A" 3126 2952 0.50      
26 A" 3106 2934 20.93      
27 A" 3015 2848 8.92      
28 A" 1546 1460 3.31      
29 A" 1529 1444 0.15      
30 A" 1526 1441 8.10      
31 A" 1487 1404 24.62      
32 A" 1426 1347 10.89      
33 A" 1369 1293 26.67      
34 A" 1300 1228 3.04      
35 A" 1192 1126 40.83      
36 A" 1128 1065 6.96      
37 A" 1083 1022 5.03      
38 A" 963 910 0.05      
39 A" 815 770 0.54      
40 A" 425 402 0.58      
41 A" 267 252 0.68      
42 A" 114 108 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 33458.1 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 31601.1 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 MP2/6-31G(2df,p)
ABC
0.59101 0.07074 0.06663

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.289 0.000
C2 0.017 0.521 1.211
C3 0.017 0.521 -1.211
C4 0.017 -0.372 2.443
C5 0.017 -0.372 -2.443
H6 -0.819 -0.867 0.000
H7 -0.830 1.225 1.255
H8 0.926 1.130 1.198
H9 -0.830 1.225 -1.255
H10 0.926 1.130 -1.198
H11 0.058 0.221 3.357
H12 -0.889 -0.981 2.481
H13 0.875 -1.043 2.419
H14 0.058 0.221 -3.357
H15 -0.889 -0.981 -2.481
H16 0.875 -1.043 -2.419

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45661.45662.44402.44401.01622.14072.06752.14072.06753.39622.73002.67553.39622.73002.6755
C21.45662.42211.52083.76102.02231.10261.09432.70052.64592.16752.16492.15454.57844.08694.0449
C31.45662.42213.76101.52082.02232.70052.64591.10261.09434.57844.08694.04492.16752.16492.1545
C42.44401.52083.76104.88532.62872.16282.15184.11534.04181.09091.09241.08995.83045.04284.9825
C52.44403.76101.52084.88532.62874.11534.04182.16282.15185.83045.04284.98251.09091.09241.0899
H61.01622.02232.02232.62872.62872.43872.90972.43872.90973.63642.48422.95873.63642.48422.9587
H72.14071.10262.70052.16284.11532.43871.75952.50913.01792.49322.52413.06734.80254.33814.6421
H82.06751.09432.64592.15184.04182.90971.75953.01792.39612.49863.06512.49364.72574.61324.2204
H92.14072.70051.10264.11532.16282.43872.50913.01791.75954.80254.33814.64212.49322.52413.0673
H102.06752.64591.09434.04182.15182.90973.01792.39611.75954.72574.61324.22042.49863.06512.4936
H113.39622.16754.57841.09095.83043.63642.49322.49864.80254.72571.76341.77446.71486.03515.9698
H122.73002.16494.08691.09245.04282.48422.52413.06514.33814.61321.76341.76626.03514.96125.2081
H132.67552.15454.04491.08994.98252.95873.06732.49364.64214.22041.77441.76625.96985.20814.8386
H143.39624.57842.16755.83041.09093.63644.80254.72572.49322.49866.71486.03515.96981.76341.7744
H152.73004.08692.16495.04281.09242.48424.33814.61322.52413.06516.03514.96125.20811.76341.7662
H162.67554.04492.15454.98251.08992.95874.64214.22043.06732.49365.96985.20814.83861.77441.7662

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.322 N1 C2 H7 112.810
N1 C2 H8 107.439 N1 C3 C5 110.322
N1 C3 H9 112.810 N1 C3 H10 107.439
C2 N1 C3 112.485 C2 N1 H6 108.416
C2 C4 H11 111.107 C2 C4 H12 110.810
C2 C4 H13 110.130 C3 N1 H6 108.416
C3 C5 H14 111.107 C3 C5 H15 110.810
C3 C5 H16 110.130 C4 C2 H7 110.040
C4 C2 H8 109.659 C5 C3 H8 150.750
C5 C3 H10 109.659 H7 C2 H8 106.433
H9 C3 H10 106.433 H11 C4 H12 107.733
H11 C4 H13 108.905 H12 C4 H13 108.062
H14 C5 H15 107.733 H14 C5 H16 108.905
H15 C5 H16 108.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability