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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-212.556813
Energy at 298.15K-212.569508
HF Energy-212.556813
Nuclear repulsion energy187.218428
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 B3PW91/3-21G
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' 3422 3289 2.25      
2 A' 3149 3027 36.02      
3 A' 3125 3004 57.32      
4 A' 3069 2950 45.90      
5 A' 3055 2937 9.09      
6 A' 2934 2820 161.34      
7 A' 1585 1523 2.13      
8 A' 1565 1504 3.28      
9 A' 1552 1492 18.96      
10 A' 1450 1393 9.07      
11 A' 1432 1376 0.08      
12 A' 1341 1289 0.83      
13 A' 1253 1205 2.74      
14 A' 1171 1126 9.49      
15 A' 1044 1003 1.71      
16 A' 922 886 9.78      
17 A' 856 823 7.12      
18 A' 694 668 102.62      
19 A' 422 406 0.76      
20 A' 263 252 1.15      
21 A' 184 177 1.59      
22 A' 104 100 1.59      
23 A" 3149 3027 8.62      
24 A" 3125 3003 15.04      
25 A" 3067 2948 2.38      
26 A" 3055 2936 21.93      
27 A" 2927 2813 14.14      
28 A" 1573 1512 1.48      
29 A" 1562 1501 3.60      
30 A" 1557 1496 8.99      
31 A" 1511 1453 9.58      
32 A" 1447 1391 18.25      
33 A" 1373 1319 31.07      
34 A" 1320 1269 7.82      
35 A" 1157 1112 37.89      
36 A" 1134 1090 37.85      
37 A" 1078 1037 0.42      
38 A" 947 910 0.08      
39 A" 844 811 0.96      
40 A" 422 405 1.33      
41 A" 262 252 0.96      
42 A" 124 119 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 33111.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 31826.5 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 B3PW91/3-21G
ABC
0.57340 0.06951 0.06533

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.016 -0.270 0.000
C2 0.016 0.536 1.235
C3 0.016 0.536 -1.235
C4 0.016 -0.388 2.460
C5 0.016 -0.388 -2.460
H6 -0.776 -0.923 0.000
H7 -0.837 1.241 1.298
H8 0.933 1.140 1.233
H9 -0.837 1.241 -1.298
H10 0.933 1.140 -1.233
H11 0.095 0.191 3.387
H12 -0.911 -0.974 2.501
H13 0.861 -1.079 2.391
H14 0.095 0.191 -3.387
H15 -0.911 -0.974 -2.501
H16 0.861 -1.079 -2.391

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.47471.47472.46282.46281.02682.16722.08512.16722.08513.41942.75872.66173.41942.75872.6617
C21.47472.47051.53373.80882.06911.10861.09802.76492.70112.18092.17752.15824.63604.13514.0582
C31.47472.47053.80881.53372.06912.76492.70111.10861.09804.63604.13514.05822.18092.17752.1582
C42.46281.53373.80884.92002.63932.17472.16344.18404.09991.09581.09771.09465.87635.08084.9720
C52.46283.80881.53374.92002.63934.18404.09992.17472.16345.87635.08084.97201.09581.09771.0946
H61.02682.06912.06912.63932.63932.52472.94892.52472.94893.67072.50522.90193.67072.50522.9019
H72.16721.10862.76492.17474.18402.52471.77342.59703.08992.51692.52213.07604.89164.39904.6774
H82.08511.09802.70112.16344.09992.94891.77343.08992.46532.49873.07862.50434.79014.67014.2496
H92.16722.76491.10864.18402.17472.52472.59703.08991.77344.89164.39904.67742.51692.52213.0760
H102.08512.70111.09804.09992.16342.94893.08992.46531.77344.79014.67014.24962.49873.07862.5043
H113.41942.18094.63601.09585.87633.67072.51692.49874.89164.79011.77651.78726.77446.08625.9652
H122.75872.17754.13511.09775.08082.50522.52213.07864.39904.67011.77651.77876.08625.00205.2038
H132.66172.15824.05821.09464.97202.90193.07602.50434.67744.24961.78721.77875.96525.20384.7811
H143.41944.63602.18095.87631.09583.67074.89164.79012.51692.49876.77446.08625.96521.77651.7872
H152.75874.13512.17755.08081.09772.50524.39904.67012.52213.07866.08625.00205.20381.77651.7787
H162.66174.05822.15824.97201.09462.90194.67744.24963.07602.50435.96525.20384.78111.78721.7787

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 109.884 N1 C2 H7 113.295
N1 C2 H8 107.384 N1 C3 C5 109.884
N1 C3 H9 113.295 N1 C3 H10 107.384
C2 N1 C3 113.782 C2 N1 H6 110.333
C2 C4 H11 110.971 C2 C4 H12 110.590
C2 C4 H13 109.255 C3 N1 H6 110.333
C3 C5 H14 110.971 C3 C5 H15 110.590
C3 C5 H16 109.255 C4 C2 H7 109.727
C4 C2 H8 109.466 C5 C3 H8 149.804
C5 C3 H10 109.466 H7 C2 H8 106.967
H9 C3 H10 106.967 H11 C4 H12 108.171
H11 C4 H13 109.352 H12 C4 H13 108.452
H14 C5 H15 108.171 H14 C5 H16 109.352
H15 C5 H16 108.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.582      
2 C -0.257      
3 C -0.257      
4 C -0.626      
5 C -0.626      
6 H 0.278      
7 H 0.178      
8 H 0.220      
9 H 0.178      
10 H 0.220      
11 H 0.207      
12 H 0.202      
13 H 0.228      
14 H 0.207      
15 H 0.202      
16 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.871 0.382 0.000 0.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.557 1.704 0.000
y 1.704 -33.757 0.000
z 0.000 0.000 -32.504
Traceless
 xyz
x -0.427 1.704 0.000
y 1.704 -0.727 0.000
z 0.000 0.000 1.153
Polar
3z2-r22.306
x2-y20.200
xy1.704
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.375 0.156 0.000
y 0.156 6.751 0.000
z 0.000 0.000 8.677


<r2> (average value of r2) Å2
<r2> 188.508
(<r2>)1/2 13.730