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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-213.052306
Energy at 298.15K-213.065112
HF Energy-212.312856
Nuclear repulsion energy188.353535
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 MP3/6-31G*
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' 3521 3305 0.90      
2 A' 3197 3000 40.90      
3 A' 3174 2979 59.72      
4 A' 3118 2927 49.84      
5 A' 3100 2910 10.96      
6 A' 3009 2825 139.10      
7 A' 1592 1494 0.76      
8 A' 1560 1465 3.07      
9 A' 1552 1456 12.60      
10 A' 1489 1397 3.21      
11 A' 1447 1358 0.49      
12 A' 1362 1278 4.36      
13 A' 1283 1204 2.07      
14 A' 1209 1134 14.89      
15 A' 1105 1037 5.37      
16 A' 939 881 13.21      
17 A' 855 803 5.53      
18 A' 816 766 69.52      
19 A' 438 411 0.33      
20 A' 269 253 1.42      
21 A' 193 181 0.90      
22 A' 116 109 1.54      
23 A" 3197 3000 7.82      
24 A" 3174 2979 16.05      
25 A" 3115 2924 0.96      
26 A" 3100 2910 25.73      
27 A" 3006 2821 6.99      
28 A" 1581 1484 4.10      
29 A" 1564 1468 6.00      
30 A" 1557 1461 9.16      
31 A" 1534 1440 26.26      
32 A" 1471 1381 13.47      
33 A" 1406 1320 22.84      
34 A" 1325 1244 3.15      
35 A" 1206 1132 37.62      
36 A" 1152 1081 8.04      
37 A" 1104 1036 4.59      
38 A" 978 918 0.18      
39 A" 832 781 0.61      
40 A" 440 413 0.66      
41 A" 269 252 0.70      
42 A" 113 106 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 33732.3 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 31661.1 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 MP3/6-31G*
ABC
0.59022 0.07014 0.06611

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.290 0.000
C2 0.017 0.520 1.217
C3 0.017 0.520 -1.217
C4 0.017 -0.371 2.453
C5 0.017 -0.371 -2.453
H6 -0.820 -0.872 0.000
H7 -0.833 1.225 1.259
H8 0.928 1.131 1.205
H9 -0.833 1.225 -1.259
H10 0.928 1.131 -1.205
H11 0.060 0.228 3.368
H12 -0.892 -0.981 2.495
H13 0.878 -1.044 2.430
H14 0.060 0.228 -3.368
H15 -0.892 -0.981 -2.495
H16 0.878 -1.044 -2.430

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46161.46162.45432.45431.02002.14522.07362.14522.07363.40742.74442.68623.40742.74442.6862
C21.46162.43421.52333.77652.02961.10551.09682.71142.65882.17052.17102.15834.59404.10624.0606
C31.46162.43423.77651.52332.02962.71142.65881.10551.09684.59404.10624.06062.17052.17102.1583
C42.45431.52333.77654.90582.63992.16682.15474.12894.05781.09441.09591.09305.85145.06795.0038
C52.45433.77651.52334.90582.63994.12894.05782.16682.15475.85145.06795.00381.09441.09591.0930
H61.02002.02962.02962.63992.63992.44582.91892.44582.91893.65062.49872.96963.65062.49872.9696
H72.14521.10552.71142.16684.12892.44581.76402.51813.02992.49732.52953.07374.81624.35494.6568
H82.07361.09682.65882.15474.05782.91891.76403.02992.41002.49873.07222.49734.74084.63314.2367
H92.14522.71141.10554.12892.16682.44582.51813.02991.76404.81624.35494.65682.49732.52953.0737
H102.07362.65881.09684.05782.15472.91893.02992.41001.76404.74084.63314.23672.49873.07222.4973
H113.40742.17054.59401.09445.85143.65062.49732.49874.81624.74081.76961.77976.73516.06165.9918
H122.74442.17104.10621.09595.06792.49872.52953.07224.35494.63311.76961.77226.06164.99065.2341
H132.68622.15834.06061.09305.00382.96963.07372.49734.65684.23671.77971.77225.99185.23414.8603
H143.40744.59402.17055.85141.09443.65064.81624.74082.49732.49876.73516.06165.99181.76961.7797
H152.74444.10622.17105.06791.09592.49874.35494.63312.52953.07226.06164.99065.23411.76961.7722
H162.68624.06062.15835.00381.09302.96964.65684.23673.07372.49735.99185.23414.86031.77971.7722

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.600 N1 C2 H7 112.628
N1 C2 H8 107.438 N1 C3 C5 110.600
N1 C3 H9 112.628 N1 C3 H10 107.438
C2 N1 C3 112.756 C2 N1 H6 108.433
C2 C4 H11 110.963 C2 C4 H12 110.917
C2 C4 H13 110.073 C3 N1 H6 108.433
C3 C5 H14 110.963 C3 C5 H15 110.917
C3 C5 H16 110.073 C4 C2 H7 110.005
C4 C2 H8 109.572 C5 C3 H8 150.876
C5 C3 H10 109.572 H7 C2 H8 106.448
H9 C3 H10 106.448 H11 C4 H12 107.784
H11 C4 H13 108.896 H12 C4 H13 108.120
H14 C5 H15 107.784 H14 C5 H16 108.896
H15 C5 H16 108.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability