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

using model chemistry: MP4/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-211.680396
Energy at 298.15K-211.693064
HF Energy-211.134297
Nuclear repulsion energy185.483961
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 MP4/3-21G
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' 3335 3234        
2 A' 3119 3025        
3 A' 3093 3000        
4 A' 3049 2957        
5 A' 3029 2938        
6 A' 2929 2840        
7 A' 1600 1552        
8 A' 1582 1534        
9 A' 1571 1523        
10 A' 1466 1422        
11 A' 1439 1395        
12 A' 1349 1308        
13 A' 1272 1234        
14 A' 1171 1136        
15 A' 1012 981        
16 A' 927 899        
17 A' 852 826        
18 A' 731 709        
19 A' 416 404        
20 A' 262 254        
21 A' 183 177        
22 A' 101 98        
23 A" 3119 3025        
24 A" 3093 2999        
25 A" 3046 2954        
26 A" 3029 2937        
27 A" 2925 2837        
28 A" 1591 1543        
29 A" 1580 1532        
30 A" 1574 1526        
31 A" 1514 1468        
32 A" 1464 1420        
33 A" 1387 1345        
34 A" 1329 1289        
35 A" 1145 1110        
36 A" 1114 1080        
37 A" 1067 1035        
38 A" 919 891        
39 A" 841 815        
40 A" 417 404        
41 A" 260 252        
42 A" 117 114        

Unscaled Zero Point Vibrational Energy (zpe) 33007.6 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 32010.8 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 MP4/3-21G
ABC
0.56351 0.06812 0.06404

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.289 0.000
C2 0.017 0.543 1.249
C3 0.017 0.543 -1.249
C4 0.017 -0.389 2.487
C5 0.017 -0.389 -2.487
H6 -0.820 -0.893 0.000
H7 -0.838 1.249 1.303
H8 0.939 1.144 1.236
H9 -0.838 1.249 -1.303
H10 0.939 1.144 -1.236
H11 0.092 0.193 3.416
H12 -0.911 -0.979 2.521
H13 0.868 -1.078 2.415
H14 0.092 0.193 -3.416
H15 -0.911 -0.979 -2.521
H16 0.868 -1.078 -2.415

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.50041.50042.48862.48861.03262.18952.10492.18952.10493.45072.77342.67973.45072.77342.6797
C21.50042.49711.54983.84972.07941.10991.10052.78222.71712.19692.19052.17134.67834.16964.0960
C31.50042.49713.84971.54982.07942.78222.71711.10991.10054.67834.16964.09602.19692.19052.1713
C42.48861.54983.84974.97312.67172.19402.18294.21624.12991.09931.10061.09735.93175.12655.0227
C52.48863.84971.54984.97312.67174.21624.12992.19402.18295.93175.12655.02271.09931.10061.0973
H61.03262.07942.07942.67172.67172.50762.96192.50762.96193.69902.52362.95253.69902.52362.9525
H72.18951.10992.78222.19404.21622.50761.78142.60653.10092.53852.54003.09224.92474.42624.7067
H82.10491.10052.71712.18294.12992.96191.78143.10092.47152.52483.09572.51704.82294.69494.2748
H92.18952.78221.10994.21622.19402.50762.60653.10091.78144.92474.42624.70672.53852.54003.0922
H102.10492.71711.10054.12992.18292.96193.10092.47151.78144.82294.69494.27482.52483.09572.5170
H113.45072.19694.67831.09935.93173.69902.53852.52484.92474.82291.78451.79426.83216.13396.0185
H122.77342.19054.16961.10065.12652.52362.54003.09574.42624.69491.78451.78506.13395.04105.2476
H132.67972.17134.09601.09735.02272.95253.09222.51704.70674.27481.79421.78506.01855.24764.8307
H143.45074.67832.19695.93171.09933.69904.92474.82292.53852.52486.83216.13396.01851.78451.7942
H152.77344.16962.19055.12651.10062.52364.42624.69492.54003.09576.13395.04105.24761.78451.7850
H162.67974.09602.17135.02271.09732.95254.70674.27483.09222.51706.01855.24764.83071.79421.7850

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 109.337 N1 C2 H7 113.174
N1 C2 H8 107.046 N1 C3 C5 109.337
N1 C3 H9 113.174 N1 C3 H10 107.046
C2 N1 C3 112.637 C2 N1 H6 108.952
C2 C4 H11 110.907 C2 C4 H12 110.322
C2 C4 H13 109.022 C3 N1 H6 108.952
C3 C5 H14 110.907 C3 C5 H15 110.322
C3 C5 H16 109.022 C4 C2 H7 110.058
C4 C2 H8 109.738 C5 C3 H8 149.702
C5 C3 H10 109.738 H7 C2 H8 107.393
H9 C3 H10 107.393 H11 C4 H12 108.414
H11 C4 H13 109.526 H12 C4 H13 108.612
H14 C5 H15 108.414 H14 C5 H16 109.526
H15 C5 H16 108.612
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability