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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G
 hartrees
Energy at 0K-212.365318
Energy at 298.15K-212.378043
HF Energy-212.365318
Nuclear repulsion energy187.606607
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 PBE1PBE/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' 3441 3304 1.49      
2 A' 3164 3039 31.03      
3 A' 3140 3016 52.25      
4 A' 3082 2960 44.18      
5 A' 3067 2946 9.00      
6 A' 2950 2833 152.06      
7 A' 1587 1524 2.61      
8 A' 1567 1505 3.31      
9 A' 1554 1493 20.03      
10 A' 1452 1395 10.11      
11 A' 1436 1379 0.04      
12 A' 1346 1292 0.89      
13 A' 1259 1209 2.83      
14 A' 1178 1131 10.15      
15 A' 1057 1015 2.04      
16 A' 925 889 9.49      
17 A' 859 825 6.90      
18 A' 700 672 103.94      
19 A' 427 410 0.89      
20 A' 264 254 1.17      
21 A' 185 177 1.59      
22 A' 105 101 1.62      
23 A" 3164 3039 8.84      
24 A" 3140 3016 13.23      
25 A" 3080 2958 1.99      
26 A" 3067 2945 19.74      
27 A" 2944 2828 12.77      
28 A" 1576 1513 1.37      
29 A" 1565 1503 3.28      
30 A" 1559 1497 9.64      
31 A" 1515 1455 10.56      
32 A" 1450 1393 20.67      
33 A" 1377 1322 29.34      
34 A" 1324 1271 7.47      
35 A" 1172 1125 47.20      
36 A" 1140 1095 25.31      
37 A" 1085 1042 1.85      
38 A" 957 919 0.03      
39 A" 845 812 0.98      
40 A" 424 407 1.42      
41 A" 264 253 0.99      
42 A" 125 120 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 33257.6 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 31940.6 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 PBE1PBE/3-21G
ABC
0.57329 0.06996 0.06572

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.016 -0.268 0.000
C2 0.016 0.536 1.232
C3 0.016 0.536 -1.232
C4 0.016 -0.388 2.452
C5 0.016 -0.388 -2.452
H6 -0.773 -0.923 0.000
H7 -0.837 1.241 1.294
H8 0.932 1.140 1.229
H9 -0.837 1.241 -1.294
H10 0.932 1.140 -1.229
H11 0.095 0.186 3.381
H12 -0.911 -0.976 2.490
H13 0.861 -1.080 2.379
H14 0.095 0.186 -3.381
H15 -0.911 -0.976 -2.490
H16 0.861 -1.080 -2.379

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.47081.47082.45472.45471.02622.16312.08182.16312.08183.41232.74902.65173.41232.74902.6517
C21.47082.46361.53063.79772.06651.10821.09792.75792.69492.17902.17372.15414.62684.12214.0447
C31.47082.46363.79771.53062.06652.75792.69491.10821.09794.62684.12214.04472.17902.17372.1541
C42.45471.53063.79774.90342.63062.17302.16134.17324.08991.09541.09751.09445.86155.06154.9522
C52.45473.79771.53064.90342.63064.17324.08992.17302.16135.86155.06154.95221.09541.09751.0944
H61.02622.06652.06652.63062.63062.52302.94632.52302.94633.66292.49392.89023.66292.49392.8902
H72.16311.10822.75792.17304.17322.52301.77332.58873.08372.51722.51953.07324.88284.38614.6647
H82.08181.09792.69492.16134.08992.94631.77333.08372.45872.49843.07602.50084.78214.65874.2368
H92.16312.75791.10824.17322.17302.52302.58873.08371.77334.88284.38614.66472.51722.51953.0732
H102.08182.69491.09794.08992.16132.94633.08372.45871.77334.78214.65874.23682.49843.07602.5008
H113.41232.17904.62681.09545.86153.66292.51722.49844.88284.78211.77631.78716.76226.06835.9466
H122.74902.17374.12211.09755.06152.49392.51953.07604.38614.65871.77631.77816.06834.97915.1815
H132.65172.15414.04471.09444.95222.89023.07322.50084.66474.23681.78711.77815.94665.18154.7571
H143.41234.62682.17905.86151.09543.66294.88284.78212.51722.49846.76226.06835.94661.77631.7871
H152.74904.12212.17375.06151.09752.49394.38614.65872.51953.07606.06834.97915.18151.77631.7781
H162.65174.04472.15414.95221.09442.89024.66474.23683.07322.50085.94665.18154.75711.78711.7781

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 109.725 N1 C2 H7 113.266
N1 C2 H8 107.389 N1 C3 C5 109.725
N1 C3 H9 113.266 N1 C3 H10 107.389
C2 N1 C3 113.756 C2 N1 H6 110.438
C2 C4 H11 111.072 C2 C4 H12 110.523
C2 C4 H13 109.162 C3 N1 H6 110.438
C3 C5 H14 111.072 C3 C5 H15 110.523
C3 C5 H16 109.162 C4 C2 H7 109.837
C4 C2 H8 109.523 C5 C3 H8 149.689
C5 C3 H10 109.523 H7 C2 H8 106.990
H9 C3 H10 106.990 H11 C4 H12 108.198
H11 C4 H13 109.400 H12 C4 H13 108.437
H14 C5 H15 108.198 H14 C5 H16 109.400
H15 C5 H16 108.437
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.593      
2 C -0.264      
3 C -0.264      
4 C -0.639      
5 C -0.639      
6 H 0.282      
7 H 0.183      
8 H 0.225      
9 H 0.183      
10 H 0.225      
11 H 0.212      
12 H 0.206      
13 H 0.233      
14 H 0.212      
15 H 0.206      
16 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.874 0.384 0.000 0.954
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.642 1.702 0.000
y 1.702 -33.834 0.000
z 0.000 0.000 -32.581
Traceless
 xyz
x -0.434 1.702 0.000
y 1.702 -0.723 0.000
z 0.000 0.000 1.157
Polar
3z2-r22.314
x2-y20.192
xy1.702
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.346 0.160 0.000
y 0.160 6.718 0.000
z 0.000 0.000 8.598


<r2> (average value of r2) Å2
<r2> 187.620
(<r2>)1/2 13.697