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

using model chemistry: MP2=FULL/STO-3G

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=FULL/STO-3G
 hartrees
Energy at 0K-210.036506
Energy at 298.15K-210.048950
HF Energy-209.771341
Nuclear repulsion energy184.201305
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=FULL/STO-3G
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' 3652 3246 14.25      
2 A' 3565 3169 3.63      
3 A' 3554 3159 5.44      
4 A' 3484 3097 12.87      
5 A' 3377 3002 1.28      
6 A' 3352 2980 28.61      
7 A' 1743 1550 0.37      
8 A' 1728 1536 1.94      
9 A' 1721 1530 2.53      
10 A' 1622 1442 0.00      
11 A' 1559 1386 1.70      
12 A' 1460 1297 3.50      
13 A' 1382 1229 2.86      
14 A' 1270 1129 8.80      
15 A' 1168 1038 0.42      
16 A' 1045 929 21.06      
17 A' 915 814 3.33      
18 A' 877 779 20.75      
19 A' 443 394 0.10      
20 A' 232 206 1.74      
21 A' 196 174 0.63      
22 A' 113 101 1.99      
23 A" 3565 3169 0.67      
24 A" 3554 3159 0.99      
25 A" 3485 3098 0.05      
26 A" 3377 3002 3.46      
27 A" 3354 2981 1.83      
28 A" 1741 1548 0.60      
29 A" 1728 1536 0.06      
30 A" 1719 1528 1.95      
31 A" 1645 1462 8.03      
32 A" 1615 1436 0.04      
33 A" 1508 1340 51.69      
34 A" 1423 1265 1.32      
35 A" 1239 1102 1.41      
36 A" 1199 1066 4.67      
37 A" 1173 1043 4.00      
38 A" 1039 924 0.20      
39 A" 879 781 0.90      
40 A" 429 381 0.51      
41 A" 231 206 0.44      
42 A" 121 107 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 36739.7 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 32657.9 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=FULL/STO-3G
ABC
0.57571 0.06675 0.06309

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.020 -0.360 0.000
C2 0.020 0.524 1.235
C3 0.020 0.524 -1.235
C4 0.020 -0.354 2.523
C5 0.020 -0.354 -2.523
H6 -0.937 -0.817 0.000
H7 -0.844 1.228 1.259
H8 0.943 1.138 1.205
H9 -0.844 1.228 -1.259
H10 0.943 1.138 -1.205
H11 0.062 0.283 3.422
H12 -0.895 -0.969 2.575
H13 0.893 -1.028 2.525
H14 0.062 0.283 -3.422
H15 -0.895 -0.969 -2.575
H16 0.893 -1.028 -2.525

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.51871.51872.52252.52251.06042.20302.13262.20302.13263.48262.79962.75353.48262.79962.7535
C21.51872.46921.55883.85842.05861.11451.10862.73082.67962.20142.20532.19874.66344.19284.1597
C31.51872.46923.85841.55882.05862.73082.67961.11451.10864.66344.19284.15972.20142.20532.1987
C42.52251.55883.85845.04502.73742.20162.19384.18884.11981.10341.10351.10245.97915.21535.1663
C52.52253.85841.55885.04502.73744.18884.11982.20162.19385.97915.21535.16631.10341.10351.1024
H61.06042.05862.05862.73742.73742.40292.96762.40292.96763.73092.57983.12533.73092.57983.1253
H72.20301.11452.73082.20164.18882.40291.78962.51703.04462.52892.56213.11574.86044.41894.7347
H82.13261.10862.67962.19384.11982.96761.78963.04462.41022.53443.11332.53644.78764.70164.3133
H92.20302.73081.11454.18882.20162.40292.51703.04461.78964.86044.41894.73472.52892.56213.1157
H102.13262.67961.10864.11982.19382.96763.04462.41021.78964.78764.70164.31332.53443.11332.5364
H113.48262.20144.66341.10345.97913.73092.52892.53444.86044.78761.78911.79296.84486.20096.1463
H122.79962.20534.19281.10355.21532.57982.56213.11334.41894.70161.78911.78906.20095.14995.4042
H132.75352.19874.15971.10245.16633.12533.11572.53644.73474.31331.79291.78906.14635.40425.0496
H143.48264.66342.20145.97911.10343.73094.86044.78762.52892.53446.84486.20096.14631.78911.7929
H152.79964.19282.20535.21531.10352.57984.41894.70162.56213.11336.20095.14995.40421.78911.7890
H162.75354.15972.19875.16631.10243.12534.73474.31333.11572.53646.14635.40425.04961.79291.7890

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.094 N1 C2 H7 112.663
N1 C2 H8 107.501 N1 C3 C5 110.094
N1 C3 H9 112.663 N1 C3 H10 107.501
C2 N1 C3 108.768 C2 N1 H6 104.514
C2 C4 H11 110.394 C2 C4 H12 110.690
C2 C4 H13 110.241 C3 N1 H6 104.514
C3 C5 H14 110.394 C3 C5 H15 110.690
C3 C5 H16 110.241 C4 C2 H7 109.765
C4 C2 H8 109.499 C5 C3 H8 151.792
C5 C3 H10 109.499 H7 C2 H8 107.216
H9 C3 H10 107.216 H11 C4 H12 108.327
H11 C4 H13 108.743 H12 C4 H13 108.381
H14 C5 H15 108.327 H14 C5 H16 108.743
H15 C5 H16 108.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability