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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/6-31G*
 hartrees
Energy at 0K-213.108823
Energy at 298.15K-213.121568
HF Energy-212.311947
Nuclear repulsion energy188.007245
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 QCISD(T)=FULL/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' 3440 3440        
2 A' 3144 3144        
3 A' 3120 3120        
4 A' 3064 3064        
5 A' 3049 3049        
6 A' 2949 2949        
7 A' 1572 1572        
8 A' 1543 1543        
9 A' 1535 1535        
10 A' 1468 1468        
11 A' 1429 1429        
12 A' 1346 1346        
13 A' 1268 1268        
14 A' 1191 1191        
15 A' 1087 1087        
16 A' 929 929        
17 A' 844 844        
18 A' 807 807        
19 A' 433 433        
20 A' 266 266        
21 A' 190 190        
22 A' 113 113        
23 A" 3143 3143        
24 A" 3120 3120        
25 A" 3060 3060        
26 A" 3048 3048        
27 A" 2945 2945        
28 A" 1561 1561        
29 A" 1545 1545        
30 A" 1539 1539        
31 A" 1513 1513        
32 A" 1454 1454        
33 A" 1386 1386        
34 A" 1309 1309        
35 A" 1182 1182        
36 A" 1136 1136        
37 A" 1090 1090        
38 A" 964 964        
39 A" 822 822        
40 A" 434 434        
41 A" 267 267        
42 A" 111 111        

Unscaled Zero Point Vibrational Energy (zpe) 33209.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 33209.0 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 QCISD(T)=FULL/6-31G*
ABC
0.58679 0.07000 0.06598

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.018 -0.293 0.000
C2 0.018 0.521 1.218
C3 0.018 0.521 -1.218
C4 0.018 -0.371 2.455
C5 0.018 -0.371 -2.455
H6 -0.831 -0.868 0.000
H7 -0.835 1.229 1.261
H8 0.931 1.134 1.204
H9 -0.835 1.229 -1.261
H10 0.931 1.134 -1.204
H11 0.061 0.229 3.373
H12 -0.895 -0.983 2.497
H13 0.880 -1.048 2.431
H14 0.061 0.229 -3.373
H15 -0.895 -0.983 -2.497
H16 0.880 -1.048 -2.431

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46491.46492.45602.45601.02512.15262.07842.15262.07843.41372.74672.68793.41372.74672.6879
C21.46492.43691.52463.78002.03311.10981.10052.71602.66092.17512.17462.16214.60134.11084.0649
C31.46492.43693.78001.52462.03312.71602.66091.10981.10054.60134.11084.06492.17512.17462.1621
C42.45601.52463.78004.90952.64432.17162.15974.13474.06061.09811.09951.09655.85915.07225.0074
C52.45603.78001.52464.90952.64434.13474.06062.17162.15975.85915.07225.00741.09811.09951.0965
H61.02512.03312.03312.64432.64432.44742.92632.44742.92633.65762.50042.97823.65762.50042.9782
H72.15261.10982.71602.17164.13472.44741.77032.52163.03432.50372.53513.08204.82504.36114.6647
H82.07841.10052.66092.15974.06062.92631.77033.03432.40852.50643.08032.50344.74674.63854.2400
H92.15262.71601.10984.13472.17162.44742.52163.03431.77034.82504.36114.66472.50372.53513.0820
H102.07842.66091.10054.06062.15972.92633.03432.40851.77034.74674.63854.24002.50643.08032.5034
H113.41372.17514.60131.09815.85913.65762.50372.50644.82504.74671.77501.78556.74686.06995.9994
H122.74672.17464.11081.09955.07222.50042.53513.08034.36114.63851.77501.77776.06994.99395.2385
H132.68792.16214.06491.09655.00742.97823.08202.50344.66474.24001.78551.77775.99945.23854.8622
H143.41374.60132.17515.85911.09813.65764.82504.74672.50372.50646.74686.06995.99941.77501.7855
H152.74674.11082.17465.07221.09952.50044.36114.63852.53513.08036.06994.99395.23851.77501.7777
H162.68794.06492.16215.00741.09652.97824.66474.24003.08202.50345.99945.23854.86221.78551.7777

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.465 N1 C2 H7 112.723
N1 C2 H8 107.369 N1 C3 C5 110.465
N1 C3 H9 112.723 N1 C3 H10 107.369
C2 N1 C3 112.554 C2 N1 H6 108.165
C2 C4 H11 111.021 C2 C4 H12 110.895
C2 C4 H13 110.087 C3 N1 H6 108.165
C3 C5 H14 111.021 C3 C5 H15 110.895
C3 C5 H16 110.087 C4 C2 H7 110.042
C4 C2 H8 109.659 C5 C3 H8 150.827
C5 C3 H10 109.659 H7 C2 H8 106.438
H9 C3 H10 106.438 H11 C4 H12 107.747
H11 C4 H13 108.898 H12 C4 H13 108.102
H14 C5 H15 107.747 H14 C5 H16 108.898
H15 C5 H16 108.102
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability