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

using model chemistry: MP3=FULL/6-31G(2df,p)

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=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-213.309480
Energy at 298.15K-213.322290
HF Energy-212.343721
Nuclear repulsion energy189.264018
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=FULL/6-31G(2df,p)
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' 3598 3598 0.18      
2 A' 3220 3220 29.80      
3 A' 3200 3200 44.90      
4 A' 3140 3140 41.39      
5 A' 3122 3122 8.49      
6 A' 3038 3038 116.39      
7 A' 1577 1577 1.42      
8 A' 1550 1550 2.08      
9 A' 1541 1541 11.12      
10 A' 1473 1473 3.07      
11 A' 1436 1436 0.64      
12 A' 1368 1368 4.25      
13 A' 1268 1268 1.77      
14 A' 1203 1203 14.82      
15 A' 1105 1105 4.71      
16 A' 932 932 9.33      
17 A' 848 848 2.57      
18 A' 800 800 66.47      
19 A' 435 435 0.35      
20 A' 267 267 1.14      
21 A' 189 189 0.91      
22 A' 116 116 1.19      
23 A" 3220 3220 6.59      
24 A" 3200 3200 11.61      
25 A" 3138 3138 0.54      
26 A" 3121 3121 21.32      
27 A" 3035 3035 7.16      
28 A" 1568 1568 6.08      
29 A" 1553 1553 4.82      
30 A" 1546 1546 7.52      
31 A" 1522 1522 22.85      
32 A" 1451 1451 11.64      
33 A" 1397 1397 24.72      
34 A" 1326 1326 3.02      
35 A" 1215 1215 37.86      
36 A" 1146 1146 6.40      
37 A" 1098 1098 3.54      
38 A" 977 977 0.12      
39 A" 826 826 0.58      
40 A" 433 433 0.54      
41 A" 268 268 0.63      
42 A" 115 115 0.98      

Unscaled Zero Point Vibrational Energy (zpe) 33791.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 33791.2 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=FULL/6-31G(2df,p)
ABC
0.59435 0.07086 0.06675

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.286 0.000
C2 0.017 0.519 1.210
C3 0.017 0.519 -1.210
C4 0.017 -0.371 2.441
C5 0.017 -0.371 -2.441
H6 -0.808 -0.872 0.000
H7 -0.830 1.218 1.252
H8 0.922 1.129 1.201
H9 -0.830 1.218 -1.252
H10 0.922 1.129 -1.201
H11 0.053 0.223 3.352
H12 -0.885 -0.982 2.477
H13 0.876 -1.038 2.423
H14 0.053 0.223 -3.352
H15 -0.885 -0.982 -2.477
H16 0.876 -1.038 -2.423

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45311.45312.44252.44251.01162.13272.06452.13272.06453.39102.72672.67833.39102.72672.6783
C21.45312.41941.51933.75772.01941.09911.09132.69572.64582.16332.16202.15264.57184.08184.0444
C31.45312.41943.75771.51932.01942.69572.64581.09911.09134.57184.08184.04442.16332.16202.1526
C42.44251.51933.75774.88202.62482.15802.14654.10894.04101.08851.09021.08765.82395.03754.9839
C52.44253.75771.51934.88202.62484.10894.04102.15802.14655.82395.03754.98391.08851.09021.0876
H61.01162.01942.01942.62482.62482.43672.90452.43672.90453.63002.48092.95513.63002.48092.9551
H72.13271.09912.69572.15804.10892.43671.75472.50423.01532.48592.51943.06134.79274.33074.6375
H82.06451.09132.64582.14654.04102.90451.75473.01532.40112.49143.05812.48834.72294.60964.2222
H92.13272.69571.09914.10892.15802.43672.50423.01531.75474.79274.33074.63752.48592.51943.0613
H102.06452.64581.09134.04102.14652.90453.01532.40111.75474.72294.60964.22222.49143.05812.4883
H113.39102.16334.57181.08855.82393.63002.48592.49144.79274.72291.76001.77016.70486.02635.9684
H122.72672.16204.08181.09025.03752.48092.51943.05814.33074.60961.76001.76266.02634.95445.2071
H132.67832.15264.04441.08764.98392.95513.06132.48834.63754.22221.77011.76265.96845.20714.8456
H143.39104.57182.16335.82391.08853.63004.79274.72292.48592.49146.70486.02635.96841.76001.7701
H152.72674.08182.16205.03751.09022.48094.33074.60962.51943.05816.02634.95445.20711.76001.7626
H162.67834.04442.15264.98391.08762.95514.63754.22223.06132.48835.96845.20714.84561.77011.7626

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.494 N1 C2 H7 112.623
N1 C2 H8 107.618 N1 C3 C5 110.494
N1 C3 H9 112.623 N1 C3 H10 107.618
C2 N1 C3 112.713 C2 N1 H6 108.712
C2 C4 H11 111.021 C2 C4 H12 110.819
C2 C4 H13 110.224 C3 N1 H6 108.712
C3 C5 H14 111.021 C3 C5 H15 110.819
C3 C5 H16 110.224 C4 C2 H7 109.970
C4 C2 H8 109.525 C5 C3 H8 150.848
C5 C3 H10 109.525 H7 C2 H8 106.471
H9 C3 H10 106.471 H11 C4 H12 107.766
H11 C4 H13 108.856 H12 C4 H13 108.061
H14 C5 H15 107.766 H14 C5 H16 108.856
H15 C5 H16 108.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability