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

using model chemistry: MP2=FULL/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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-213.251164
Energy at 298.15K-213.263967
HF Energy-212.343511
Nuclear repulsion energy189.502241
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=FULL/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' 3567 3352 0.28      
2 A' 3227 3033 24.11      
3 A' 3206 3014 36.20      
4 A' 3138 2949 39.90      
5 A' 3117 2929 7.55      
6 A' 3025 2844 117.18      
7 A' 1566 1472 1.59      
8 A' 1543 1451 1.88      
9 A' 1535 1442 11.96      
10 A' 1453 1365 3.73      
11 A' 1420 1335 0.61      
12 A' 1355 1274 3.69      
13 A' 1259 1183 1.69      
14 A' 1191 1120 12.99      
15 A' 1102 1036 5.31      
16 A' 928 872 9.50      
17 A' 843 792 1.59      
18 A' 793 745 68.36      
19 A' 433 407 0.31      
20 A' 271 255 1.09      
21 A' 187 176 0.94      
22 A' 117 110 1.12      
23 A" 3227 3033 4.83      
24 A" 3206 3014 9.92      
25 A" 3137 2948 0.45      
26 A" 3117 2929 20.82      
27 A" 3023 2842 9.13      
28 A" 1556 1463 2.72      
29 A" 1542 1449 0.17      
30 A" 1538 1446 7.85      
31 A" 1496 1406 25.96      
32 A" 1435 1348 11.76      
33 A" 1378 1295 26.44      
34 A" 1315 1236 3.26      
35 A" 1208 1135 40.19      
36 A" 1137 1069 6.24      
37 A" 1093 1027 5.45      
38 A" 974 915 0.05      
39 A" 823 774 0.57      
40 A" 430 404 0.58      
41 A" 272 256 0.68      
42 A" 118 111 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 33648.5 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 31626.3 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=FULL/6-31G(2df,p)
ABC
0.59367 0.07120 0.06705

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.286 0.000
C2 0.017 0.519 1.208
C3 0.017 0.519 -1.208
C4 0.017 -0.371 2.434
C5 0.017 -0.371 -2.434
H6 -0.813 -0.869 0.000
H7 -0.829 1.222 1.251
H8 0.924 1.128 1.196
H9 -0.829 1.222 -1.251
H10 0.924 1.128 -1.196
H11 0.056 0.219 3.349
H12 -0.887 -0.980 2.470
H13 0.874 -1.041 2.411
H14 0.056 0.219 -3.349
H15 -0.887 -0.980 -2.470
H16 0.874 -1.041 -2.411

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45181.45182.43592.43591.01452.13432.06202.13432.06203.38672.72022.66773.38672.72022.6677
C21.45182.41551.51593.74952.01891.10051.09212.69352.64012.16202.15832.14844.56634.07334.0328
C31.45182.41553.74951.51592.01892.69352.64011.10051.09214.56634.07334.03282.16202.15832.1484
C42.43591.51593.74954.86892.61992.15742.14564.10324.03101.08891.09031.08775.81315.02414.9660
C52.43593.74951.51594.86892.61994.10324.03102.15742.14565.81315.02414.96601.08891.09031.0877
H61.01452.01892.01892.61992.61992.43672.90442.43672.90443.62652.47372.94793.62652.47372.9479
H72.13431.10052.69352.15744.10322.43671.75612.50213.01142.48742.51743.06024.79004.32414.6293
H82.06201.09212.64012.14564.03102.90441.75613.01142.39182.49263.05692.48614.71504.60004.2088
H92.13432.69351.10054.10322.15742.43672.50213.01141.75614.79004.32414.62932.48742.51743.0602
H102.06202.64011.09214.03102.14562.90443.01142.39181.75614.71504.60004.20882.49263.05692.4861
H113.38672.16204.56631.08895.81313.62652.48742.49264.79004.71501.75991.77086.69706.01525.9522
H122.72022.15834.07331.09035.02412.47372.51743.05694.32414.60001.75991.76306.01524.94025.1894
H132.66772.14844.03281.08774.96602.94793.06022.48614.62934.20881.77081.76305.95225.18944.8221
H143.38674.56632.16205.81311.08893.62654.79004.71502.48742.49266.69706.01525.95221.75991.7708
H152.72024.07332.15835.02411.09032.47374.32414.60002.51743.05696.01524.94025.18941.75991.7630
H162.66774.03282.14844.96601.08772.94794.62934.20883.06022.48615.95225.18944.82211.77081.7630

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.314 N1 C2 H7 112.766
N1 C2 H8 107.464 N1 C3 C5 110.314
N1 C3 H9 112.766 N1 C3 H10 107.464
C2 N1 C3 112.592 C2 N1 H6 108.589
C2 C4 H11 111.144 C2 C4 H12 110.761
C2 C4 H13 110.127 C3 N1 H6 108.589
C3 C5 H14 111.144 C3 C5 H15 110.761
C3 C5 H16 110.127 C4 C2 H7 110.074
C4 C2 H8 109.642 C5 C3 H8 150.708
C5 C3 H10 109.642 H7 C2 H8 106.443
H9 C3 H10 106.443 H11 C4 H12 107.731
H11 C4 H13 108.894 H12 C4 H13 108.090
H14 C5 H15 107.731 H14 C5 H16 108.894
H15 C5 H16 108.090
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability