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

using model chemistry: MP2=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-211.620765
Energy at 298.15K-211.633512
HF Energy-211.135889
Nuclear repulsion energy186.211921
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/3-21G*
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' 3400 3223 3.14      
2 A' 3181 3016 36.59      
3 A' 3155 2991 54.71      
4 A' 3111 2949 36.29      
5 A' 3087 2927 8.89      
6 A' 2988 2833 130.78      
7 A' 1625 1541 0.43      
8 A' 1606 1523 2.90      
9 A' 1595 1512 12.39      
10 A' 1487 1410 5.61      
11 A' 1461 1385 0.41      
12 A' 1368 1297 1.46      
13 A' 1290 1223 3.71      
14 A' 1191 1129 6.70      
15 A' 1032 979 0.27      
16 A' 938 889 15.01      
17 A' 866 821 5.02      
18 A' 739 700 85.53      
19 A' 422 400 0.33      
20 A' 272 258 1.50      
21 A' 186 176 1.22      
22 A' 105 99 1.67      
23 A" 3181 3016 6.06      
24 A" 3155 2991 15.18      
25 A" 3109 2947 1.34      
26 A" 3087 2926 21.68      
27 A" 2986 2831 6.80      
28 A" 1616 1532 1.60      
29 A" 1604 1521 3.53      
30 A" 1597 1514 3.81      
31 A" 1530 1451 9.09      
32 A" 1485 1408 10.59      
33 A" 1408 1335 32.26      
34 A" 1351 1281 5.11      
35 A" 1165 1104 2.09      
36 A" 1134 1075 55.73      
37 A" 1087 1031 3.15      
38 A" 938 890 0.30      
39 A" 856 811 1.14      
40 A" 424 402 1.36      
41 A" 268 254 1.00      
42 A" 121 114 1.52      

Unscaled Zero Point Vibrational Energy (zpe) 33603.0 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 31855.7 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/3-21G*
ABC
0.56808 0.06862 0.06450

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.283 0.000
C2 0.017 0.541 1.245
C3 0.017 0.541 -1.245
C4 0.017 -0.389 2.477
C5 0.017 -0.389 -2.477
H6 -0.808 -0.898 0.000
H7 -0.835 1.244 1.302
H8 0.934 1.141 1.235
H9 -0.835 1.244 -1.302
H10 0.934 1.141 -1.235
H11 0.092 0.190 3.404
H12 -0.908 -0.976 2.511
H13 0.864 -1.075 2.405
H14 0.092 0.190 -3.404
H15 -0.908 -0.976 -2.511
H16 0.864 -1.075 -2.405

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.49371.49372.47922.47921.02862.17982.09622.17982.09623.43722.76422.67043.43722.76422.6704
C21.49372.49081.54323.83672.07451.10541.09582.77602.71152.18802.18172.16234.66294.15564.0815
C31.49372.49083.83671.54322.07452.77602.71151.10541.09584.66294.15564.08152.18802.18172.1623
C42.47921.54323.83674.95392.65982.18422.17334.20334.11791.09501.09601.09285.90945.10695.0027
C52.47923.83671.54324.95392.65984.20334.11792.18422.17335.90945.10695.00271.09501.09601.0928
H61.02862.07452.07452.65982.65982.50682.95242.50682.95243.68492.51432.93473.68492.51432.9347
H72.17981.10542.77602.18424.20332.50681.77332.60343.09422.52762.52913.07914.91034.41274.6910
H82.09621.09582.71152.17334.11792.95241.77333.09422.46962.51333.08272.50674.80914.68044.2620
H92.17982.77601.10544.20332.18422.50682.60343.09421.77334.91034.41274.69102.52762.52913.0791
H102.09622.71151.09584.11792.17332.95243.09422.46961.77334.80914.68044.26202.51333.08272.5067
H113.43722.18804.66291.09505.90943.68492.52762.51334.91034.80911.77661.78646.80726.11105.9950
H122.76422.18174.15561.09605.10692.51432.52913.08274.41274.68041.77661.77786.11105.02235.2271
H132.67042.16234.08151.09285.00272.93473.07912.50674.69104.26201.78641.77785.99505.22714.8109
H143.43724.66292.18805.90941.09503.68494.91034.80912.52762.51336.80726.11105.99501.77661.7864
H152.76424.15562.18175.10691.09602.51434.41274.68042.52913.08276.11105.02235.22711.77661.7778
H162.67044.08152.16235.00271.09282.93474.69104.26203.07912.50675.99505.22714.81091.78641.7778

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 109.434 N1 C2 H7 113.157
N1 C2 H8 107.091 N1 C3 C5 109.434
N1 C3 H9 113.157 N1 C3 H10 107.091
C2 N1 C3 112.980 C2 N1 H6 109.283
C2 C4 H11 110.924 C2 C4 H12 110.370
C2 C4 H13 109.035 C3 N1 H6 109.283
C3 C5 H14 110.924 C3 C5 H15 110.370
C3 C5 H16 109.035 C4 C2 H7 110.012
C4 C2 H8 109.711 C5 C3 H8 149.675
C5 C3 H10 109.711 H7 C2 H8 107.339
H9 C3 H10 107.339 H11 C4 H12 108.366
H11 C4 H13 109.479 H12 C4 H13 108.628
H14 C5 H15 108.366 H14 C5 H16 109.479
H15 C5 H16 108.628
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability