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

using model chemistry: QCISD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-213.247721
Energy at 298.15K-213.260450
HF Energy-212.387221
Nuclear repulsion energy188.529919
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 QCISD/TZVP
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' 3530 3372 0.49      
2 A' 3149 3008 51.29      
3 A' 3129 2989 76.77      
4 A' 3083 2945 43.94      
5 A' 3059 2922 14.88      
6 A' 2976 2843 162.09      
7 A' 1557 1487 0.61      
8 A' 1527 1459 3.01      
9 A' 1514 1446 10.45      
10 A' 1467 1401 2.21      
11 A' 1429 1365 0.67      
12 A' 1344 1284 5.93      
13 A' 1261 1204 1.26      
14 A' 1193 1140 12.62      
15 A' 1082 1033 6.09      
16 A' 923 882 9.06      
17 A' 845 807 6.90      
18 A' 805 769 67.97      
19 A' 431 412 0.27      
20 A' 257 245 1.14      
21 A' 188 179 0.61      
22 A' 111 107 1.47      
23 A" 3149 3008 9.79      
24 A" 3129 2989 20.32      
25 A" 3079 2941 0.88      
26 A" 3058 2922 33.49      
27 A" 2971 2838 9.36      
28 A" 1544 1475 8.01      
29 A" 1531 1462 9.66      
30 A" 1523 1455 12.06      
31 A" 1506 1438 15.93      
32 A" 1444 1379 9.15      
33 A" 1386 1324 22.35      
34 A" 1304 1246 2.75      
35 A" 1185 1132 40.99      
36 A" 1137 1086 8.85      
37 A" 1085 1037 0.86      
38 A" 959 916 0.88      
39 A" 824 787 0.40      
40 A" 431 412 0.46      
41 A" 257 245 0.54      
42 A" 97 93 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 33227.8 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 31742.6 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 QCISD/TZVP
ABC
0.59449 0.07008 0.06610

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.289 0.000
C2 0.017 0.517 1.217
C3 0.017 0.517 -1.217
C4 0.017 -0.369 2.455
C5 0.017 -0.369 -2.455
H6 -0.806 -0.883 0.000
H7 -0.838 1.213 1.256
H8 0.924 1.130 1.204
H9 -0.838 1.213 -1.256
H10 0.924 1.130 -1.204
H11 0.057 0.236 3.363
H12 -0.890 -0.978 2.497
H13 0.879 -1.039 2.438
H14 0.057 0.236 -3.363
H15 -0.890 -0.978 -2.497
H16 0.879 -1.039 -2.438

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45941.45942.45602.45601.01552.13582.06982.13582.06983.40432.74482.69263.40432.74482.6926
C21.45942.43361.52243.77692.02961.10291.09432.70712.65682.16532.16752.15764.58904.10514.0649
C31.45942.43363.77691.52242.02962.70712.65681.10291.09434.58904.10514.06492.16532.16752.1576
C42.45601.52243.77694.90942.63962.16112.15234.12304.05661.09231.09391.09125.84965.07095.0132
C52.45603.77691.52244.90942.63964.12304.05662.16112.15235.84965.07095.01321.09231.09391.0912
H61.01552.02962.02962.63962.63962.44322.91462.44322.91463.64822.50022.96773.64822.50022.9677
H72.13581.10292.70712.16114.12302.44321.76452.51143.02692.48942.51833.06824.80534.34554.6542
H82.06981.09432.65682.15234.05662.91461.76453.02692.40852.49263.06692.49594.73444.62974.2397
H92.13582.70711.10294.12302.16112.44322.51143.02691.76454.80534.34554.65422.48942.51833.0682
H102.06982.65681.09434.05662.15232.91463.02692.40851.76454.73444.62974.23972.49263.06692.4959
H113.40432.16534.58901.09235.84963.64822.48942.49264.80534.73441.76671.77646.72686.05935.9967
H122.74482.16754.10511.09395.07092.50022.51833.06694.34554.62971.76671.77096.05934.99405.2431
H132.69262.15764.06491.09125.01322.96773.06822.49594.65424.23971.77641.77095.99675.24314.8768
H143.40434.58902.16535.84961.09233.64824.80534.73442.48942.49266.72686.05935.99671.76671.7764
H152.74484.10512.16755.07091.09392.50024.34554.62972.51833.06696.05934.99405.24311.76671.7709
H162.69264.06492.15765.01321.09122.96774.65424.23973.06822.49595.99675.24314.87681.77641.7709

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.889 N1 C2 H7 112.176
N1 C2 H8 107.433 N1 C3 C5 110.889
N1 C3 H9 112.176 N1 C3 H10 107.433
C2 N1 C3 112.973 C2 N1 H6 108.858
C2 C4 H11 110.742 C2 C4 H12 110.824
C2 C4 H13 110.198 C3 N1 H6 108.858
C3 C5 H14 110.742 C3 C5 H15 110.824
C3 C5 H16 110.198 C4 C2 H7 109.773
C4 C2 H8 109.592 C5 C3 H8 151.071
C5 C3 H10 109.592 H7 C2 H8 106.846
H9 C3 H10 106.846 H11 C4 H12 107.826
H11 C4 H13 108.894 H12 C4 H13 108.276
H14 C5 H15 107.826 H14 C5 H16 108.894
H15 C5 H16 108.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability