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: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-212.676665
Energy at 298.15K-212.689462
HF Energy-212.221270
Nuclear repulsion energy187.136115
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/6-31G
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' 3601 3377 0.72      
2 A' 3195 2996 57.36      
3 A' 3170 2973 81.07      
4 A' 3121 2927 48.71      
5 A' 3103 2910 21.39      
6 A' 3000 2813 171.89      
7 A' 1630 1528 0.30      
8 A' 1597 1497 3.16      
9 A' 1587 1489 12.69      
10 A' 1514 1420 4.48      
11 A' 1498 1405 0.19      
12 A' 1374 1289 2.61      
13 A' 1305 1224 4.11      
14 A' 1229 1153 13.47      
15 A' 1101 1033 3.98      
16 A' 938 880 3.16      
17 A' 874 819 0.60      
18 A' 724 679 125.95      
19 A' 439 412 0.89      
20 A' 263 247 1.69      
21 A' 191 179 1.63      
22 A' 105 99 2.16      
23 A" 3194 2996 9.64      
24 A" 3169 2972 24.93      
25 A" 3117 2923 0.74      
26 A" 3100 2907 32.55      
27 A" 2994 2808 8.50      
28 A" 1619 1519 1.21      
29 A" 1602 1503 7.08      
30 A" 1593 1494 12.70      
31 A" 1576 1478 14.35      
32 A" 1510 1416 12.06      
33 A" 1446 1356 25.84      
34 A" 1356 1272 3.44      
35 A" 1216 1141 45.06      
36 A" 1191 1117 16.13      
37 A" 1124 1054 1.46      
38 A" 986 925 0.61      
39 A" 861 808 0.48      
40 A" 444 416 0.57      
41 A" 263 246 0.74      
42 A" 108 102 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 34015.1 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 31899.4 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/6-31G
ABC
0.57721 0.06901 0.06487

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.015 -0.251 0.000
C2 0.015 0.533 1.244
C3 0.015 0.533 -1.244
C4 0.015 -0.391 2.468
C5 0.015 -0.391 -2.468
H6 -0.710 -0.959 0.000
H7 -0.842 1.229 1.301
H8 0.921 1.150 1.245
H9 -0.842 1.229 -1.301
H10 0.921 1.150 -1.245
H11 0.059 0.189 3.395
H12 -0.894 -1.002 2.496
H13 0.877 -1.062 2.429
H14 0.059 0.189 -3.395
H15 -0.894 -1.002 -2.496
H16 0.877 -1.062 -2.429

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.47021.47022.47152.47151.01402.14902.08172.14902.08173.42322.76112.70213.42322.76112.7021
C21.47022.48761.53353.82462.07381.10571.09582.77412.71962.17862.18012.16604.65134.14404.0959
C31.47022.48763.82461.53352.07382.77412.71961.10571.09584.65134.14404.09592.17862.18012.1660
C42.47151.53353.82464.93512.63402.17272.16534.19084.12071.09441.09611.09295.89095.08345.0170
C52.47153.82461.53354.93512.63404.19084.12072.17272.16535.89095.08345.01701.09441.09611.0929
H61.01402.07382.07382.63402.63402.54962.94292.54962.94293.66522.50352.90373.66522.50352.9037
H72.14901.10572.77412.17274.19082.54961.76522.60223.09792.50532.53183.07844.89324.40484.7030
H82.08171.09582.71962.16534.12072.94291.76523.09792.49072.50713.08082.50894.81614.68264.2889
H92.14902.77411.10574.19082.17272.54962.60223.09791.76524.89324.40484.70302.50532.53183.0784
H102.08172.71961.09584.12072.16532.94293.09792.49071.76524.81614.68264.28892.50713.08082.5089
H113.42322.17864.65131.09445.89093.66522.50532.50714.89324.81611.77031.77936.78926.08536.0124
H122.76112.18014.14401.09615.08342.50352.53183.08084.40484.68261.77031.77406.08534.99285.2348
H132.70212.16604.09591.09295.01702.90373.07842.50894.70304.28891.77931.77406.01245.23484.8582
H143.42324.65132.17865.89091.09443.66524.89324.81612.50532.50716.78926.08536.01241.77031.7793
H152.76114.14402.18015.08341.09612.50354.40484.68262.53183.08086.08534.99285.23481.77031.7740
H162.70214.09592.16605.01701.09292.90374.70304.28893.07842.50896.01245.23484.85821.77931.7740

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.721 N1 C2 H7 112.310
N1 C2 H8 107.542 N1 C3 C5 110.721
N1 C3 H9 112.310 N1 C3 H10 107.542
C2 N1 C3 115.558 C2 N1 H6 111.872
C2 C4 H11 110.896 C2 C4 H12 110.910
C2 C4 H13 109.982 C3 N1 H6 111.872
C3 C5 H14 110.896 C3 C5 H15 110.910
C3 C5 H16 109.982 C4 C2 H7 109.762
C4 C2 H8 109.765 C5 C3 H8 150.123
C5 C3 H10 109.765 H7 C2 H8 106.614
H9 C3 H10 106.614 H11 C4 H12 107.835
H11 C4 H13 108.867 H12 C4 H13 108.270
H14 C5 H15 107.835 H14 C5 H16 108.867
H15 C5 H16 108.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability