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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-212.699123
Energy at 298.15K-212.711845
HF Energy-212.219313
Nuclear repulsion energy186.217744
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 MP2/6-31G
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' 3490 3339 1.79      
2 A' 3164 3027 50.82      
3 A' 3138 3002 70.15      
4 A' 3083 2949 54.27      
5 A' 3060 2927 13.50      
6 A' 2950 2822 172.00      
7 A' 1602 1533 0.13      
8 A' 1575 1507 2.98      
9 A' 1566 1498 12.26      
10 A' 1482 1418 4.40      
11 A' 1464 1400 0.05      
12 A' 1346 1288 2.17      
13 A' 1285 1230 3.80      
14 A' 1198 1146 9.17      
15 A' 1077 1030 3.16      
16 A' 922 882 6.49      
17 A' 856 819 1.30      
18 A' 725 694 114.03      
19 A' 429 411 0.45      
20 A' 263 252 1.58      
21 A' 187 179 1.47      
22 A' 103 98 1.93      
23 A" 3164 3027 7.38      
24 A" 3138 3002 20.67      
25 A" 3081 2948 0.70      
26 A" 3059 2927 31.47      
27 A" 2947 2819 10.49      
28 A" 1593 1524 1.57      
29 A" 1575 1507 0.65      
30 A" 1569 1501 7.72      
31 A" 1535 1469 18.48      
32 A" 1479 1416 11.07      
33 A" 1412 1351 28.68      
34 A" 1331 1274 3.73      
35 A" 1174 1123 20.53      
36 A" 1162 1112 41.70      
37 A" 1100 1053 1.35      
38 A" 965 923 0.87      
39 A" 847 810 0.50      
40 A" 433 415 0.63      
41 A" 262 251 0.84      
42 A" 110 105 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 33449.0 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 32004.0 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 MP2/6-31G
ABC
0.57411 0.06831 0.06426

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.016 -0.265 0.000
C2 0.016 0.533 1.249
C3 0.016 0.533 -1.249
C4 0.016 -0.388 2.481
C5 0.016 -0.388 -2.481
H6 -0.745 -0.949 0.000
H7 -0.843 1.237 1.304
H8 0.928 1.148 1.241
H9 -0.843 1.237 -1.304
H10 0.928 1.148 -1.241
H11 0.066 0.200 3.408
H12 -0.901 -0.995 2.516
H13 0.878 -1.064 2.440
H14 0.066 0.200 -3.408
H15 -0.901 -0.995 -2.516
H16 0.878 -1.064 -2.440

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.48201.48202.48422.48421.02352.16602.09052.16602.09053.44022.77552.70883.44022.77552.7088
C21.48202.49751.53853.84202.08251.11121.10042.78332.72242.18562.18682.17164.66924.16524.1115
C31.48202.49753.84201.53852.08252.78332.72241.11121.10044.66924.16524.11152.18562.18682.1716
C42.48421.53853.84204.96242.65532.18232.17464.20734.12911.09891.10031.09705.91895.11665.0420
C52.48423.84201.53854.96242.65534.20734.12912.18232.17465.91895.11665.04201.09891.10031.0970
H61.02352.08252.08252.65532.65532.54742.95652.54742.95653.68732.52112.93303.68732.52112.9330
H72.16601.11122.78332.18234.20732.54741.77412.60743.10182.51602.54073.09014.90964.42444.7195
H82.09051.10042.72242.17464.12912.95651.77413.10182.48272.51733.09272.51704.82294.69654.2956
H92.16602.78331.11124.20732.18232.54742.60743.10181.77414.90964.42444.71952.51602.54073.0901
H102.09052.72241.10044.12912.17462.95653.10182.48271.77414.82294.69654.29562.51733.09272.5170
H113.44022.18564.66921.09895.91893.68732.51602.51734.90964.82291.77811.78756.81656.12046.0384
H122.77552.18684.16521.10035.11662.52112.54073.09274.42444.69651.77811.78216.12045.03165.2661
H132.70882.17164.11151.09705.04202.93303.09012.51704.71954.29561.78751.78216.03845.26614.8803
H143.44024.66922.18565.91891.09893.68734.90964.82292.51602.51736.81656.12046.03841.77811.7875
H152.77554.16522.18685.11661.10032.52114.42444.69652.54073.09276.12045.03165.26611.77811.7821
H162.70884.11152.17165.04201.09702.93304.71954.29563.09012.51706.03845.26614.88031.78751.7821

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.649 N1 C2 H7 112.497
N1 C2 H8 107.175 N1 C3 C5 110.649
N1 C3 H9 112.497 N1 C3 H10 107.175
C2 N1 C3 114.836 C2 N1 H6 111.115
C2 C4 H11 110.829 C2 C4 H12 110.842
C2 C4 H13 109.834 C3 N1 H6 111.115
C3 C5 H14 110.829 C3 C5 H15 110.842
C3 C5 H16 109.834 C4 C2 H7 109.841
C4 C2 H8 109.872 C5 C3 H8 150.218
C5 C3 H10 109.872 H7 C2 H8 106.677
H9 C3 H10 106.677 H11 C4 H12 107.899
H11 C4 H13 108.979 H12 C4 H13 108.389
H14 C5 H15 107.899 H14 C5 H16 108.979
H15 C5 H16 108.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability