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

using model chemistry: MP2/6-31G*

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*
 hartrees
Energy at 0K-213.002746
Energy at 298.15K-213.015558
HF Energy-212.312849
Nuclear repulsion energy188.535389
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*
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' 3504 3304 0.36      
2 A' 3213 3030 35.70      
3 A' 3190 3008 51.71      
4 A' 3129 2951 48.87      
5 A' 3106 2929 9.66      
6 A' 3009 2838 141.66      
7 A' 1591 1501 0.65      
8 A' 1565 1475 2.84      
9 A' 1556 1467 12.90      
10 A' 1481 1396 3.75      
11 A' 1442 1360 0.33      
12 A' 1359 1281 3.87      
13 A' 1281 1208 2.10      
14 A' 1203 1135 12.85      
15 A' 1100 1038 5.66      
16 A' 937 884 13.13      
17 A' 854 805 2.63      
18 A' 813 767 74.64      
19 A' 436 411 0.29      
20 A' 274 258 1.36      
21 A' 192 181 0.94      
22 A' 116 110 1.48      
23 A" 3213 3030 5.81      
24 A" 3190 3008 14.14      
25 A" 3127 2949 0.67      
26 A" 3106 2929 25.63      
27 A" 3006 2835 8.94      
28 A" 1581 1491 2.62      
29 A" 1564 1475 0.01      
30 A" 1560 1471 8.22      
31 A" 1519 1433 31.22      
32 A" 1467 1383 12.92      
33 A" 1398 1318 24.88      
34 A" 1324 1249 3.53      
35 A" 1198 1130 40.89      
36 A" 1150 1084 9.09      
37 A" 1103 1040 5.74      
38 A" 976 921 0.17      
39 A" 833 786 0.58      
40 A" 438 413 0.67      
41 A" 274 258 0.74      
42 A" 114 108 1.32      

Unscaled Zero Point Vibrational Energy (zpe) 33744.8 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 31821.4 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*
ABC
0.59014 0.07035 0.06630

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.289 0.000
C2 0.017 0.520 1.216
C3 0.017 0.520 -1.216
C4 0.017 -0.371 2.449
C5 0.017 -0.371 -2.449
H6 -0.824 -0.870 0.000
H7 -0.832 1.226 1.260
H8 0.928 1.130 1.202
H9 -0.832 1.226 -1.260
H10 0.928 1.130 -1.202
H11 0.063 0.225 3.364
H12 -0.893 -0.979 2.491
H13 0.876 -1.046 2.422
H14 0.063 0.225 -3.364
H15 -0.893 -0.979 -2.491
H16 0.876 -1.046 -2.422

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46091.46092.45012.45011.02182.14622.07112.14622.07113.40372.74012.67893.40372.74012.6789
C21.46092.43251.52103.77172.02931.10561.09622.71132.65552.16852.16782.15474.59014.10094.0530
C31.46092.43253.77171.52102.02932.71132.65551.10561.09624.59014.10094.05302.16852.16782.1547
C42.45011.52103.77174.89742.63662.16512.15314.12634.05141.09381.09491.09215.84365.05944.9919
C52.45013.77171.52104.89742.63664.12634.05142.16512.15315.84365.05944.99191.09381.09491.0921
H61.02182.02932.02932.63662.63662.44562.91772.44562.91773.64742.49432.96433.64742.49432.9643
H72.14621.10562.71132.16514.12632.44561.76392.51953.02832.49632.52623.07094.81494.35134.6515
H82.07111.09622.65552.15314.05142.91771.76393.02832.40492.49793.06942.49444.73504.62634.2277
H92.14622.71131.10564.12632.16512.44562.51953.02831.76394.81494.35134.65152.49632.52623.0709
H102.07112.65551.09624.05142.15312.91773.02832.40491.76394.73504.62634.22772.49793.06942.4944
H113.40372.16854.59011.09385.84363.64742.49632.49794.81494.73501.76801.77876.72846.05365.9800
H122.74012.16784.10091.09495.05942.49432.52623.06944.35134.62631.76801.77146.05364.98205.2224
H132.67892.15474.05301.09214.99192.96433.07092.49444.65154.22771.77871.77145.98005.22244.8446
H143.40374.59012.16855.84361.09383.64744.81494.73502.49632.49796.72846.05365.98001.76801.7787
H152.74014.10092.16785.05941.09492.49434.35134.62632.52623.06946.05364.98205.22241.76801.7714
H162.67894.05302.15474.99191.09212.96434.65154.22773.07092.49445.98005.22244.84461.77871.7714

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.482 N1 C2 H7 112.750
N1 C2 H8 107.321 N1 C3 C5 110.482
N1 C3 H9 112.750 N1 C3 H10 107.321
C2 N1 C3 112.712 C2 N1 H6 108.345
C2 C4 H11 111.005 C2 C4 H12 110.877
C2 C4 H13 110.009 C3 N1 H6 108.345
C3 C5 H14 111.005 C3 C5 H15 110.877
C3 C5 H16 110.009 C4 C2 H7 110.028
C4 C2 H8 109.642 C5 C3 H8 150.764
C5 C3 H10 109.642 H7 C2 H8 106.471
H9 C3 H10 106.471 H11 C4 H12 107.757
H11 C4 H13 108.921 H12 C4 H13 108.185
H14 C5 H15 107.757 H14 C5 H16 108.921
H15 C5 H16 108.185
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability