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

using model chemistry: CISD/3-21G

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/3-21G
 hartrees
Energy at 0K-211.592212
Energy at 298.15K-211.605027
HF Energy-211.137189
Nuclear repulsion energy186.861061
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/3-21G
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' 3505 3299 1.76      
2 A' 3206 3018 42.24      
3 A' 3181 2994 64.78      
4 A' 3143 2958 31.83      
5 A' 3121 2938 13.22      
6 A' 3031 2853 131.48      
7 A' 1646 1550 0.63      
8 A' 1622 1527 3.12      
9 A' 1611 1517 12.71      
10 A' 1512 1423 6.08      
11 A' 1492 1404 0.28      
12 A' 1391 1310 1.76      
13 A' 1304 1228 4.13      
14 A' 1217 1146 9.88      
15 A' 1051 990 0.81      
16 A' 946 890 10.44      
17 A' 878 826 3.02      
18 A' 746 702 100.57      
19 A' 430 405 0.56      
20 A' 270 254 1.61      
21 A' 189 178 1.40      
22 A' 106 100 1.92      
23 A" 3206 3017 7.35      
24 A" 3180 2993 18.46      
25 A" 3139 2954 1.56      
26 A" 3119 2936 23.25      
27 A" 3026 2849 5.41      
28 A" 1636 1540 2.43      
29 A" 1621 1526 1.40      
30 A" 1615 1520 5.88      
31 A" 1570 1478 12.63      
32 A" 1510 1421 11.48      
33 A" 1437 1352 30.20      
34 A" 1371 1291 4.74      
35 A" 1187 1118 0.00      
36 A" 1169 1100 60.61      
37 A" 1111 1045 0.46      
38 A" 954 898 0.15      
39 A" 866 815 1.05      
40 A" 433 407 1.24      
41 A" 266 251 0.91      
42 A" 118 111 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 34065.1 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 32065.5 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/3-21G
ABC
0.57107 0.06905 0.06487

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.016 -0.269 0.000
C2 0.016 0.541 1.242
C3 0.016 0.541 -1.242
C4 0.016 -0.392 2.469
C5 0.016 -0.392 -2.469
H6 -0.775 -0.913 0.000
H7 -0.836 1.236 1.300
H8 0.928 1.143 1.239
H9 -0.836 1.236 -1.300
H10 0.928 1.143 -1.239
H11 0.086 0.182 3.395
H12 -0.903 -0.982 2.499
H13 0.864 -1.073 2.400
H14 0.086 0.182 -3.395
H15 -0.903 -0.982 -2.499
H16 0.864 -1.073 -2.400

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.48301.48302.47182.47181.02022.16362.08822.16362.08823.42562.75682.66963.42562.75682.6696
C21.48302.48461.54053.82642.06951.10121.09252.76972.71152.18332.17812.15964.65164.14294.0733
C31.48302.48463.82641.54052.06952.76972.71151.10121.09254.65164.14294.07332.18332.17812.1596
C42.47181.54053.82644.93752.64442.17762.16714.19244.11521.09181.09311.09015.89215.08684.9891
C52.47183.82641.54054.93752.64444.19244.11522.17762.16715.89215.08684.98911.09181.09311.0901
H61.02022.06952.06952.64442.64442.51252.94322.51252.94323.66982.50352.91123.66982.50352.9112
H72.16361.10122.76972.17764.19242.51251.76682.59943.09272.52012.52293.07144.89904.39984.6810
H82.08821.09252.71152.16714.11522.94321.76683.09272.47872.50533.07492.50234.80704.67394.2616
H92.16362.76971.10124.19242.17762.51252.59943.09271.76684.89904.39984.68102.52012.52293.0714
H102.08822.71151.09254.11522.16712.94323.09272.47871.76684.80704.67394.26162.50533.07492.5023
H113.42562.18334.65161.09185.89213.66982.52012.50534.89904.80701.77131.78056.78996.08915.9805
H122.75682.17814.14291.09315.08682.50352.52293.07494.39984.67391.77131.77246.08914.99865.2094
H132.66962.15964.07331.09014.98912.91123.07142.50234.68104.26161.78051.77245.98055.20944.8007
H143.42564.65162.18335.89211.09183.66984.89904.80702.52012.50536.78996.08915.98051.77131.7805
H152.75684.14292.17815.08681.09312.50354.39984.67392.52293.07496.08914.99865.20941.77131.7724
H162.66964.07332.15964.98911.09012.91124.68104.26163.07142.50235.98055.20944.80071.78051.7724

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 109.662 N1 C2 H7 112.869
N1 C2 H8 107.381 N1 C3 C5 109.662
N1 C3 H9 112.869 N1 C3 H10 107.381
C2 N1 C3 113.799 C2 N1 H6 110.159
C2 C4 H11 110.933 C2 C4 H12 110.439
C2 C4 H13 109.167 C3 N1 H6 110.159
C3 C5 H14 110.933 C3 C5 H15 110.439
C3 C5 H16 109.167 C4 C2 H7 109.924
C4 C2 H8 109.613 C5 C3 H8 149.659
C5 C3 H10 109.613 H7 C2 H8 107.298
H9 C3 H10 107.298 H11 C4 H12 108.323
H11 C4 H13 109.381 H12 C4 H13 108.555
H14 C5 H15 108.323 H14 C5 H16 109.381
H15 C5 H16 108.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability