return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-213.183708
Energy at 298.15K-213.196448
HF Energy-212.387399
Nuclear repulsion energy188.929564
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/TZVP
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' 3539 3355 0.01      
2 A' 3188 3022 38.21      
3 A' 3168 3003 58.55      
4 A' 3112 2950 44.62      
5 A' 3084 2923 12.08      
6 A' 2995 2839 160.26      
7 A' 1551 1470 1.21      
8 A' 1526 1446 3.28      
9 A' 1512 1433 12.87      
10 A' 1454 1378 3.03      
11 A' 1418 1344 1.14      
12 A' 1339 1269 5.52      
13 A' 1256 1190 1.31      
14 A' 1189 1127 12.42      
15 A' 1085 1028 6.82      
16 A' 922 874 8.67      
17 A' 844 800 3.55      
18 A' 802 760 74.72      
19 A' 430 408 0.25      
20 A' 262 248 1.12      
21 A' 187 177 0.66      
22 A' 112 106 1.45      
23 A" 3188 3022 7.29      
24 A" 3168 3003 15.38      
25 A" 3110 2948 0.70      
26 A" 3083 2923 30.77      
27 A" 2993 2837 11.22      
28 A" 1538 1457 4.07      
29 A" 1524 1444 0.07      
30 A" 1518 1439 11.59      
31 A" 1493 1415 27.99      
32 A" 1433 1358 11.79      
33 A" 1375 1303 19.44      
34 A" 1300 1232 2.94      
35 A" 1185 1123 45.92      
36 A" 1134 1075 8.61      
37 A" 1084 1028 1.85      
38 A" 961 911 0.58      
39 A" 825 782 0.37      
40 A" 431 408 0.50      
41 A" 262 248 0.58      
42 A" 99 94 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 33337.0 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 31600.1 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 MP2/TZVP
ABC
0.59608 0.07045 0.06643

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.288 0.000
C2 0.017 0.517 1.214
C3 0.017 0.517 -1.214
C4 0.017 -0.368 2.448
C5 0.017 -0.368 -2.448
H6 -0.805 -0.884 0.000
H7 -0.836 1.213 1.254
H8 0.924 1.127 1.200
H9 -0.836 1.213 -1.254
H10 0.924 1.127 -1.200
H11 0.060 0.233 3.357
H12 -0.890 -0.974 2.490
H13 0.875 -1.039 2.427
H14 0.060 0.233 -3.357
H15 -0.890 -0.974 -2.490
H16 0.875 -1.039 -2.427

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45681.45682.44942.44941.01592.13332.06462.13332.06463.39702.73792.68203.39702.73792.6820
C21.45682.42881.51843.76802.02841.10181.09272.70262.65002.16132.16182.15144.58004.09524.0522
C31.45682.42883.76801.51842.02842.70262.65001.10181.09274.58004.09524.05222.16132.16182.1514
C42.44941.51843.76804.89612.63352.15742.14844.11484.04541.09041.09171.08915.83595.05754.9957
C52.44943.76801.51844.89612.63354.11484.04542.15742.14845.83595.05754.99571.09041.09171.0891
H61.01592.02842.02842.63352.63352.44342.91092.44342.91093.64192.49342.95623.64192.49342.9562
H72.13331.10182.70262.15744.11482.44341.76272.50743.02062.48692.51233.06214.79774.33604.6422
H82.06461.09272.65002.14844.04542.91091.76273.02062.39982.48933.06082.49024.72304.61754.2251
H92.13332.70261.10184.11482.15742.44342.50743.02061.76274.79774.33604.64222.48692.51233.0621
H102.06462.65001.09274.04542.14842.91093.02062.39981.76274.72304.61754.22512.48933.06082.4902
H113.39702.16134.58001.09045.83593.64192.48692.48934.79774.72301.76331.77376.71326.04535.9781
H122.73792.16184.09521.09175.05752.49342.51233.06084.33604.61751.76331.76796.04534.98085.2256
H132.68202.15144.05221.08914.99572.95623.06212.49024.64224.22511.77371.76795.97815.22564.8549
H143.39704.58002.16135.83591.09043.64194.79774.72302.48692.48936.71326.04535.97811.76331.7737
H152.73794.09522.16185.05751.09172.49344.33604.61752.51233.06086.04534.98085.22561.76331.7679
H162.68204.05222.15144.99571.08912.95624.64224.22513.06212.49025.97815.22564.85491.77371.7679

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.812 N1 C2 H7 112.241
N1 C2 H8 107.296 N1 C3 C5 110.812
N1 C3 H9 112.241 N1 C3 H10 107.296
C2 N1 C3 112.950 C2 N1 H6 108.930
C2 C4 H11 110.818 C2 C4 H12 110.772
C2 C4 H13 110.098 C3 N1 H6 108.930
C3 C5 H14 110.818 C3 C5 H15 110.772
C3 C5 H16 110.098 C4 C2 H7 109.828
C4 C2 H8 109.656 C5 C3 H8 150.978
C5 C3 H10 109.656 H7 C2 H8 106.877
H9 C3 H10 106.877 H11 C4 H12 107.818
H11 C4 H13 108.939 H12 C4 H13 108.319
H14 C5 H15 107.818 H14 C5 H16 108.939
H15 C5 H16 108.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability