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

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-211.590424
Energy at 298.15K-211.603230
HF Energy-211.137259
Nuclear repulsion energy186.929458
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 CID/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' 3513 3269 1.66      
2 A' 3211 2988 41.66      
3 A' 3186 2965 63.73      
4 A' 3148 2929 32.08      
5 A' 3126 2909 12.81      
6 A' 3037 2826 129.40      
7 A' 1648 1533 0.71      
8 A' 1623 1511 3.15      
9 A' 1613 1500 12.84      
10 A' 1514 1409 6.19      
11 A' 1494 1390 0.26      
12 A' 1393 1296 1.76      
13 A' 1306 1215 4.16      
14 A' 1219 1135 10.08      
15 A' 1055 981 0.85      
16 A' 947 881 10.28      
17 A' 879 818 2.91      
18 A' 747 695 100.90      
19 A' 431 401 0.58      
20 A' 270 251 1.63      
21 A' 189 176 1.41      
22 A' 106 99 1.93      
23 A" 3211 2988 7.24      
24 A" 3185 2964 18.08      
25 A" 3143 2925 1.52      
26 A" 3124 2907 22.84      
27 A" 3032 2821 5.17      
28 A" 1638 1524 2.34      
29 A" 1623 1510 1.26      
30 A" 1616 1504 6.10      
31 A" 1573 1464 12.85      
32 A" 1512 1407 11.81      
33 A" 1439 1339 29.21      
34 A" 1373 1277 4.64      
35 A" 1189 1107 0.10      
36 A" 1172 1090 59.85      
37 A" 1113 1035 0.25      
38 A" 956 890 0.14      
39 A" 867 807 1.05      
40 A" 434 404 1.25      
41 A" 267 248 0.90      
42 A" 118 110 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 34117.8 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 31746.6 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 CID/3-21G*
ABC
0.57165 0.06909 0.06491

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.016 -0.269 0.000
C2 0.016 0.540 1.242
C3 0.016 0.540 -1.242
C4 0.016 -0.391 2.468
C5 0.016 -0.391 -2.468
H6 -0.774 -0.914 0.000
H7 -0.836 1.236 1.299
H8 0.927 1.142 1.239
H9 -0.836 1.236 -1.299
H10 0.927 1.142 -1.239
H11 0.086 0.183 3.394
H12 -0.903 -0.982 2.499
H13 0.864 -1.072 2.400
H14 0.086 0.183 -3.394
H15 -0.903 -0.982 -2.499
H16 0.864 -1.072 -2.400

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.48211.48212.47102.47101.01972.16242.08752.16242.08753.42452.75612.66933.42452.75612.6693
C21.48212.48351.53993.82492.06881.10091.09232.76842.71072.18272.17752.15904.64994.14154.0722
C31.48212.48353.82491.53992.06882.76842.71071.10091.09234.64994.14154.07222.18272.17752.1590
C42.47101.53993.82494.93602.64352.17692.16634.19074.11401.09161.09291.08985.89035.08534.9881
C52.47103.82491.53994.93602.64354.19074.11402.17692.16635.89035.08534.98811.09161.09291.0898
H61.01972.06882.06882.64352.64352.51202.94232.51202.94233.66872.50282.91023.66872.50282.9102
H72.16241.10092.76842.17694.19072.51201.76642.59793.09162.51912.52233.07064.89694.39824.6796
H82.08751.09232.71072.16634.11402.94231.76643.09162.47812.50443.07402.50144.80554.67264.2606
H92.16242.76841.10094.19072.17692.51202.59793.09161.76644.89694.39824.67962.51912.52233.0706
H102.08752.71071.09234.11402.16632.94233.09162.47811.76644.80554.67264.26062.50443.07402.5014
H113.42452.18274.64991.09165.89033.66872.51912.50444.89694.80551.77091.78016.78776.08735.9792
H122.75612.17754.14151.09295.08532.50282.52233.07404.39824.67261.77091.77206.08734.99715.2084
H132.66932.15904.07221.08984.98812.91023.07062.50144.67964.26061.78011.77205.97925.20844.8002
H143.42454.64992.18275.89031.09163.66874.89694.80552.51912.50446.78776.08735.97921.77091.7801
H152.75614.14152.17755.08531.09292.50284.39824.67262.52233.07406.08734.99715.20841.77091.7720
H162.66934.07222.15904.98811.08982.91024.67964.26063.07062.50145.97925.20844.80021.78011.7720

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 109.690 N1 C2 H7 112.853
N1 C2 H8 107.391 N1 C3 C5 109.690
N1 C3 H9 112.853 N1 C3 H10 107.391
C2 N1 C3 113.824 C2 N1 H6 110.191
C2 C4 H11 110.932 C2 C4 H12 110.443
C2 C4 H13 109.173 C3 N1 H6 110.191
C3 C5 H14 110.932 C3 C5 H15 110.443
C3 C5 H16 109.173 C4 C2 H7 109.922
C4 C2 H8 109.599 C5 C3 H8 149.674
C5 C3 H10 109.599 H7 C2 H8 107.292
H9 C3 H10 107.292 H11 C4 H12 108.322
H11 C4 H13 109.374 H12 C4 H13 108.553
H14 C5 H15 108.322 H14 C5 H16 109.374
H15 C5 H16 108.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability