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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-212.630964
Energy at 298.15K-212.643648
HF Energy-212.630964
Nuclear repulsion energy186.767418
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 B3LYP/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' 3386 3267 3.95      
2 A' 3136 3026 41.76      
3 A' 3111 3002 62.70      
4 A' 3062 2954 47.71      
5 A' 3050 2943 8.10      
6 A' 2927 2825 163.04      
7 A' 1592 1536 1.09      
8 A' 1571 1516 2.74      
9 A' 1559 1504 15.71      
10 A' 1457 1406 6.41      
11 A' 1436 1385 0.34      
12 A' 1342 1295 0.88      
13 A' 1255 1211 2.66      
14 A' 1170 1129 8.34      
15 A' 1028 992 1.35      
16 A' 920 888 9.09      
17 A' 857 827 5.67      
18 A' 696 671 97.95      
19 A' 420 405 0.63      
20 A' 261 252 1.10      
21 A' 185 178 1.47      
22 A' 104 100 1.53      
23 A" 3135 3025 8.81      
24 A" 3111 3002 18.17      
25 A" 3059 2951 4.54      
26 A" 3049 2942 20.07      
27 A" 2920 2817 14.05      
28 A" 1582 1526 1.79      
29 A" 1569 1514 3.88      
30 A" 1563 1508 7.18      
31 A" 1514 1461 9.44      
32 A" 1454 1403 12.37      
33 A" 1378 1329 36.38      
34 A" 1323 1277 7.31      
35 A" 1146 1106 6.99      
36 A" 1129 1089 67.30      
37 A" 1074 1036 0.94      
38 A" 935 903 0.33      
39 A" 846 816 0.89      
40 A" 422 407 1.12      
41 A" 260 251 0.95      
42 A" 124 119 1.48      

Unscaled Zero Point Vibrational Energy (zpe) 33057.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 31897.3 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 B3LYP/3-21G
ABC
0.57171 0.06903 0.06488

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 0.537 1.241
C3 0.016 0.537 -1.241
C4 0.016 -0.390 2.469
C5 0.016 -0.390 -2.469
H6 -0.780 -0.919 0.000
H7 -0.837 1.241 1.305
H8 0.931 1.142 1.239
H9 -0.837 1.241 -1.305
H10 0.931 1.142 -1.239
H11 0.093 0.188 3.396
H12 -0.909 -0.978 2.507
H13 0.862 -1.080 2.401
H14 0.093 0.188 -3.396
H15 -0.909 -0.978 -2.507
H16 0.862 -1.080 -2.401

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.48031.48032.47152.47151.02792.17052.08882.17052.08883.42702.76442.67153.42702.76442.6715
C21.48032.48251.53813.82392.07271.10751.09682.77592.71172.18372.18022.16224.65054.14724.0737
C31.48032.48253.82391.53812.07272.77592.71171.10751.09684.65054.14724.07372.18372.18022.1622
C42.47151.53813.82394.93712.64732.17732.16694.19834.11421.09501.09691.09375.89305.09474.9903
C52.47153.82391.53814.93712.64734.19834.11422.17732.16695.89305.09474.99031.09501.09691.0937
H61.02792.07272.07272.64732.64732.52442.95152.52442.95153.67662.51082.91333.67662.51082.9133
H72.17051.10752.77592.17734.19832.52441.77212.60993.09942.51832.52443.07774.90574.41114.6909
H82.08881.09682.71172.16694.11422.95151.77213.09942.47752.50293.08022.50804.80514.68074.2645
H92.17052.77591.10754.19832.17732.52442.60993.09941.77214.90574.41114.69092.51832.52443.0777
H102.08882.71171.09684.11422.16692.95153.09942.47751.77214.80514.68074.26452.50293.08022.5080
H113.42702.18374.65051.09505.89303.67662.51832.50294.90574.80511.77561.78586.79106.09925.9832
H122.76442.18024.14721.09695.09472.51082.52443.08024.41114.68071.77561.77726.09925.01365.2185
H132.67152.16224.07371.09374.99032.91333.07772.50804.69094.26451.78581.77725.98325.21854.8018
H143.42704.65052.18375.89301.09503.67664.90574.80512.51832.50296.79106.09925.98321.77561.7858
H152.76444.14722.18025.09471.09692.51084.41114.68072.52443.08026.09925.01365.21851.77561.7772
H162.67154.07372.16224.99031.09372.91334.69094.26453.07772.50805.98325.21854.80181.78581.7772

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 109.921 N1 C2 H7 113.232
N1 C2 H8 107.357 N1 C3 C5 109.921
N1 C3 H9 113.232 N1 C3 H10 107.357
C2 N1 C3 113.970 C2 N1 H6 110.153
C2 C4 H11 110.937 C2 C4 H12 110.545
C2 C4 H13 109.319 C3 N1 H6 110.153
C3 C5 H14 110.937 C3 C5 H15 110.545
C3 C5 H16 109.319 C4 C2 H7 109.698
C4 C2 H8 109.509 C5 C3 H8 149.782
C5 C3 H10 109.509 H7 C2 H8 107.010
H9 C3 H10 107.010 H11 C4 H12 108.198
H11 C4 H13 109.352 H12 C4 H13 108.441
H14 C5 H15 108.198 H14 C5 H16 109.352
H15 C5 H16 108.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.562      
2 C -0.211      
3 C -0.211      
4 C -0.561      
5 C -0.561      
6 H 0.260      
7 H 0.157      
8 H 0.197      
9 H 0.157      
10 H 0.197      
11 H 0.185      
12 H 0.180      
13 H 0.205      
14 H 0.185      
15 H 0.180      
16 H 0.205      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.852 0.386 0.000 0.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.747 1.657 0.000
y 1.657 -33.988 0.000
z 0.000 0.000 -32.765
Traceless
 xyz
x -0.370 1.657 0.000
y 1.657 -0.732 0.000
z 0.000 0.000 1.102
Polar
3z2-r22.204
x2-y20.241
xy1.657
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.352 0.165 0.000
y 0.165 6.727 0.000
z 0.000 0.000 8.716


<r2> (average value of r2) Å2
<r2> 189.717
(<r2>)1/2 13.774