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

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-213.008834
Energy at 298.15K-213.021728
HF Energy-212.354817
Nuclear repulsion energy189.206698
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 CISD/6-311G*
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' 3653 3380 0.57      
2 A' 3225 2984 58.89      
3 A' 3204 2965 92.96      
4 A' 3164 2927 43.06      
5 A' 3135 2901 18.05      
6 A' 3055 2827 174.01      
7 A' 1611 1491 2.17      
8 A' 1579 1461 3.95      
9 A' 1570 1453 15.76      
10 A' 1515 1402 3.21      
11 A' 1474 1364 1.67      
12 A' 1396 1292 5.59      
13 A' 1301 1204 1.77      
14 A' 1232 1140 18.25      
15 A' 1120 1036 7.27      
16 A' 948 877 7.47      
17 A' 869 804 10.75      
18 A' 821 759 69.33      
19 A' 445 411 0.41      
20 A' 273 252 1.22      
21 A' 196 181 0.80      
22 A' 118 109 1.69      
23 A" 3225 2984 11.52      
24 A" 3203 2964 21.95      
25 A" 3159 2923 0.84      
26 A" 3134 2900 35.63      
27 A" 3049 2821 7.12      
28 A" 1603 1483 28.19      
29 A" 1598 1479 2.64      
30 A" 1575 1458 8.30      
31 A" 1564 1447 10.26      
32 A" 1494 1382 16.89      
33 A" 1436 1329 20.17      
34 A" 1353 1252 3.77      
35 A" 1232 1140 47.27      
36 A" 1173 1086 6.43      
37 A" 1122 1038 2.54      
38 A" 991 917 0.30      
39 A" 840 777 0.43      
40 A" 447 413 0.59      
41 A" 273 252 0.70      
42 A" 108 100 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 34239.8 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 31682.1 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 CISD/6-311G*
ABC
0.59758 0.07059 0.06654

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.283 0.000
C2 0.017 0.517 1.212
C3 0.017 0.517 -1.212
C4 0.017 -0.370 2.446
C5 0.017 -0.370 -2.446
H6 -0.797 -0.876 0.000
H7 -0.833 1.212 1.253
H8 0.918 1.130 1.205
H9 -0.833 1.212 -1.253
H10 0.918 1.130 -1.205
H11 0.066 0.225 3.355
H12 -0.888 -0.974 2.495
H13 0.870 -1.044 2.423
H14 0.066 0.225 -3.355
H15 -0.888 -0.974 -2.495
H16 0.870 -1.044 -2.423

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45211.45212.44712.44711.00752.12762.06392.12762.06393.39362.74332.67953.39362.74332.6795
C21.45212.42481.51893.76392.01801.09881.09002.69922.65192.16302.16552.15164.57704.09764.0475
C31.45212.42483.76391.51892.01802.69922.65191.09881.09004.57704.09764.04752.16302.16552.1516
C42.44711.51893.76394.89112.62672.15552.14514.11194.04851.08821.08981.08695.83135.05944.9887
C52.44713.76391.51894.89112.62674.11194.04852.15552.14515.83135.05944.98871.08821.08981.0869
H61.00752.01802.01802.62672.62672.43552.90152.43552.90153.63512.49892.94603.63512.49892.9460
H72.12761.09882.69922.15554.11192.43551.75332.50693.01932.48972.51503.05894.79794.34004.6376
H82.06391.09002.65192.14514.04852.90151.75333.01932.41032.48343.05902.49294.72664.62454.2305
H92.12762.69921.09884.11192.15552.43552.50693.01931.75334.79794.34004.63762.48972.51503.0589
H102.06392.65191.09004.04852.14512.90153.01932.41031.75334.72664.62454.23052.48343.05902.4929
H113.39362.16304.57701.08825.83133.63512.48972.48344.79794.72661.75771.76786.71026.04795.9706
H122.74332.16554.09761.08985.05942.49892.51503.05904.34004.62451.75771.76096.04794.99075.2240
H132.67952.15164.04751.08694.98872.94603.05892.49294.63764.23051.76781.76095.97065.22404.8468
H143.39364.57702.16305.83131.08823.63514.79794.72662.48972.48346.71026.04795.97061.75771.7678
H152.74334.09762.16555.05941.08982.49894.34004.62452.51503.05906.04794.99075.22401.75771.7609
H162.67954.04752.15164.98871.08692.94604.63764.23053.05892.49295.97065.22404.84681.76781.7609

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.883 N1 C2 H7 112.299
N1 C2 H8 107.713 N1 C3 C5 110.883
N1 C3 H9 112.299 N1 C3 H10 107.713
C2 N1 C3 113.212 C2 N1 H6 108.917
C2 C4 H11 111.047 C2 C4 H12 111.148
C2 C4 H13 110.215 C3 N1 H6 108.917
C3 C5 H14 111.047 C3 C5 H15 111.148
C3 C5 H16 110.215 C4 C2 H7 109.823
C4 C2 H8 109.516 C5 C3 H8 151.068
C5 C3 H10 109.516 H7 C2 H8 106.459
H9 C3 H10 106.459 H11 C4 H12 107.608
H11 C4 H13 108.724 H12 C4 H13 107.992
H14 C5 H15 107.608 H14 C5 H16 108.724
H15 C5 H16 107.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability