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: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-212.344125
Energy at 298.15K-212.357106
HF Energy-212.344125
Nuclear repulsion energy189.204681
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 HF/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' 3745 3391 0.19      
2 A' 3248 2941 73.20      
3 A' 3227 2922 104.25      
4 A' 3184 2883 50.54      
5 A' 3164 2865 20.37      
6 A' 3085 2794 167.41      
7 A' 1652 1496 0.29      
8 A' 1617 1464 2.12      
9 A' 1608 1456 8.09      
10 A' 1562 1415 2.31      
11 A' 1518 1375 0.19      
12 A' 1430 1295 5.82      
13 A' 1333 1207 2.46      
14 A' 1268 1148 18.99      
15 A' 1124 1017 5.26      
16 A' 962 871 4.27      
17 A' 885 801 3.71      
18 A' 823 745 75.60      
19 A' 450 408 0.44      
20 A' 276 250 1.25      
21 A' 199 180 0.93      
22 A' 120 108 1.36      
23 A" 3247 2941 12.88      
24 A" 3226 2921 28.63      
25 A" 3176 2876 1.24      
26 A" 3163 2864 38.08      
27 A" 3076 2785 6.00      
28 A" 1645 1490 40.41      
29 A" 1637 1482 1.96      
30 A" 1614 1461 3.02      
31 A" 1603 1451 8.77      
32 A" 1535 1390 8.81      
33 A" 1480 1340 30.48      
34 A" 1391 1259 2.12      
35 A" 1252 1134 52.26      
36 A" 1207 1093 7.92      
37 A" 1144 1036 0.30      
38 A" 1000 905 0.56      
39 A" 861 780 0.43      
40 A" 455 412 0.28      
41 A" 276 250 0.56      
42 A" 114 103 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 34790.5 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 31502.8 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 HF/6-31G(2df,p)
ABC
0.59752 0.07038 0.06632

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.268 0.000
C2 0.017 0.518 1.216
C3 0.017 0.518 -1.216
C4 0.017 -0.376 2.448
C5 0.017 -0.376 -2.448
H6 -0.770 -0.885 0.000
H7 -0.832 1.209 1.266
H8 0.913 1.133 1.218
H9 -0.832 1.209 -1.266
H10 0.913 1.133 -1.218
H11 0.044 0.219 3.356
H12 -0.879 -0.992 2.484
H13 0.877 -1.037 2.439
H14 0.044 0.219 -3.356
H15 -0.879 -0.992 -2.484
H16 0.877 -1.037 -2.439

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.44831.44832.45092.45091.00022.12222.06182.12222.06183.39162.73822.69853.39162.73822.6985
C21.44832.43261.52243.77232.01681.09531.08742.71242.66592.16102.16562.15714.58254.09594.0647
C31.44832.43263.77231.52242.01682.71242.66591.09531.08744.58254.09594.06472.16102.16562.1571
C42.45091.52243.77234.89702.62182.15222.14414.12644.06491.08581.08761.08485.83535.05105.0069
C52.45093.77231.52244.89702.62184.12644.06492.15222.14415.83535.05105.00691.08581.08761.0848
H61.00022.01682.01682.62182.62182.44762.89692.44762.89693.62592.48892.94783.62592.48892.9478
H72.12221.09532.71242.15224.12642.44761.74722.53123.03602.47362.51633.05634.80724.34834.6573
H82.06181.08742.66592.14414.06492.89691.74723.03602.43552.48293.05502.49044.74484.62974.2526
H92.12222.71241.09534.12642.15222.44762.53123.03601.74724.80724.34834.65732.47362.51633.0563
H102.06182.66591.08744.06492.14412.89693.03602.43551.74724.74484.62974.25262.48293.05502.4904
H113.39162.16104.58251.08585.83533.62592.47362.48294.80724.74481.75471.76376.71266.03575.9884
H122.73822.16564.09591.08765.05102.48892.51633.05504.34834.62971.75471.75756.03574.96845.2278
H132.69852.15714.06471.08485.00692.94783.05632.49044.65734.25261.76371.75755.98845.22784.8789
H143.39164.58252.16105.83531.08583.62594.80724.74482.47362.48296.71266.03575.98841.75471.7637
H152.73824.09592.16565.05101.08762.48894.34834.62972.51633.05506.03574.96845.22781.75471.7575
H162.69854.06472.15715.00691.08482.94784.65734.25263.05632.49045.98845.22784.87891.76371.7575

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 111.156 N1 C2 H7 112.351
N1 C2 H8 107.957 N1 C3 C5 111.156
N1 C3 H9 112.351 N1 C3 H10 107.957
C2 N1 C3 114.247 C2 N1 H6 109.560
C2 C4 H11 110.782 C2 C4 H12 111.045
C2 C4 H13 110.535 C3 N1 H6 109.560
C3 C5 H14 110.782 C3 C5 H15 111.045
C3 C5 H16 110.535 C4 C2 H7 109.522
C4 C2 H8 109.346 C5 C3 H8 150.989
C5 C3 H10 109.346 H7 C2 H8 106.348
H9 C3 H10 106.348 H11 C4 H12 107.678
H11 C4 H13 108.690 H12 C4 H13 108.003
H14 C5 H15 107.678 H14 C5 H16 108.690
H15 C5 H16 108.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.474      
2 C -0.093      
3 C -0.093      
4 C -0.411      
5 C -0.411      
6 H 0.247      
7 H 0.095      
8 H 0.122      
9 H 0.095      
10 H 0.122      
11 H 0.131      
12 H 0.124      
13 H 0.144      
14 H 0.131      
15 H 0.124      
16 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.788 0.393 0.000 0.881
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.498 1.534 0.000
y 1.534 -34.177 0.000
z 0.000 0.000 -33.408
Traceless
 xyz
x 0.295 1.534 0.000
y 1.534 -0.724 0.000
z 0.000 0.000 0.429
Polar
3z2-r20.858
x2-y20.679
xy1.534
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.724 0.119 0.000
y 0.119 7.048 0.000
z 0.000 0.000 8.827


<r2> (average value of r2) Å2
<r2> 186.334
(<r2>)1/2 13.650