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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-211.603245
HF Energy-211.137259
Nuclear repulsion energy186.929459
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 3272 1.66      
2 A' 3211 2991 41.66      
3 A' 3186 2968 63.73      
4 A' 3148 2932 32.08      
5 A' 3126 2912 12.81      
6 A' 3037 2829 129.40      
7 A' 1648 1535 0.71      
8 A' 1623 1512 3.15      
9 A' 1613 1502 12.84      
10 A' 1514 1410 6.19      
11 A' 1494 1392 0.26      
12 A' 1393 1298 1.76      
13 A' 1306 1217 4.16      
14 A' 1219 1136 10.08      
15 A' 1055 982 0.85      
16 A' 947 882 10.28      
17 A' 879 819 2.91      
18 A' 747 696 100.90      
19 A' 431 402 0.58      
20 A' 270 251 1.63      
21 A' 189 176 1.41      
22 A' 106 99 1.93      
23 A" 3211 2991 7.24      
24 A" 3185 2968 18.08      
25 A" 3143 2928 1.52      
26 A" 3124 2910 22.84      
27 A" 3032 2825 5.17      
28 A" 1638 1526 2.34      
29 A" 1623 1512 1.26      
30 A" 1616 1506 6.10      
31 A" 1573 1466 12.85      
32 A" 1512 1408 11.81      
33 A" 1439 1341 29.21      
34 A" 1373 1279 4.64      
35 A" 1189 1108 0.10      
36 A" 1172 1092 59.85      
37 A" 1113 1037 0.25      
38 A" 956 891 0.14      
39 A" 867 808 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 0.9316) Zero Point Vibrational Energy (zpe) 31784.1 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