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: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-213.758738
Energy at 298.15K-213.771456
HF Energy-213.758738
Nuclear repulsion energy188.794379
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 mPW1PW91/6-31G**
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' 3545 3373 0.71      
2 A' 3169 3015 39.20      
3 A' 3147 2994 61.62      
4 A' 3077 2928 66.13      
5 A' 3069 2920 7.52      
6 A' 2955 2812 171.23      
7 A' 1546 1471 0.96      
8 A' 1517 1444 2.39      
9 A' 1507 1434 13.49      
10 A' 1448 1377 2.99      
11 A' 1406 1338 0.64      
12 A' 1332 1268 3.49      
13 A' 1245 1184 1.61      
14 A' 1180 1123 15.83      
15 A' 1081 1029 6.02      
16 A' 914 869 8.10      
17 A' 832 792 1.56      
18 A' 777 740 82.39      
19 A' 430 409 0.30      
20 A' 261 248 1.07      
21 A' 187 178 0.96      
22 A' 113 108 1.23      
23 A" 3168 3015 10.75      
24 A" 3146 2994 13.92      
25 A" 3075 2926 4.15      
26 A" 3068 2919 25.48      
27 A" 2949 2806 13.97      
28 A" 1533 1459 9.47      
29 A" 1522 1448 9.86      
30 A" 1513 1440 8.65      
31 A" 1493 1421 17.66      
32 A" 1425 1356 15.44      
33 A" 1367 1301 29.12      
34 A" 1294 1231 3.79      
35 A" 1195 1137 46.82      
36 A" 1123 1069 8.04      
37 A" 1078 1025 4.64      
38 A" 960 913 0.04      
39 A" 814 775 0.49      
40 A" 429 408 0.56      
41 A" 262 250 0.71      
42 A" 120 114 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 33135.6 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 31528.5 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 mPW1PW91/6-31G**
ABC
0.59389 0.07039 0.06634

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.278 0.000
C2 0.017 0.516 1.215
C3 0.017 0.516 -1.215
C4 0.017 -0.372 2.448
C5 0.017 -0.372 -2.448
H6 -0.798 -0.885 0.000
H7 -0.831 1.225 1.266
H8 0.925 1.132 1.209
H9 -0.831 1.225 -1.266
H10 0.925 1.132 -1.209
H11 0.062 0.225 3.362
H12 -0.892 -0.980 2.496
H13 0.873 -1.050 2.429
H14 0.062 0.225 -3.362
H15 -0.892 -0.980 -2.496
H16 0.873 -1.050 -2.429

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45191.45192.44952.44951.01592.14032.06742.14032.06743.39942.74762.68843.39942.74762.6884
C21.45192.42991.51953.76892.02571.10631.09672.71552.66042.16682.16972.15864.58614.10354.0575
C31.45192.42993.76891.51952.02572.71552.66041.10631.09674.58614.10354.05752.16682.16972.1586
C42.44951.51953.76894.89532.63032.16042.14954.13014.05661.09271.09491.09215.84015.06334.9973
C52.44953.76891.51954.89532.63034.13014.05662.16042.14955.84015.06334.99731.09271.09491.0921
H61.01592.02572.02572.63032.63032.46022.91482.46022.91483.64312.49972.95313.64312.49972.9531
H72.14031.10632.71552.16044.13012.46021.75932.53103.03552.48842.52613.07124.81754.36074.6613
H82.06741.09672.66042.14954.05662.91481.75933.03552.41772.49013.06912.50004.73874.63564.2420
H92.14032.71551.10634.13012.16042.46022.53103.03551.75934.81754.36074.66132.48842.52613.0712
H102.06742.66041.09674.05662.14952.91483.03552.41771.75934.73874.63564.24202.49013.06912.5000
H113.39942.16684.58611.09275.84013.64312.48842.49014.81754.73871.76441.77556.72336.05615.9843
H122.74762.16974.10351.09495.06332.49972.52613.06914.36074.63561.76441.76826.05614.99215.2323
H132.68842.15864.05751.09214.99732.95313.07122.50004.66134.24201.77551.76825.98435.23234.8577
H143.39944.58612.16685.84011.09273.64314.81754.73872.48842.49016.72336.05615.98431.76441.7755
H152.74764.10352.16975.06331.09492.49974.36074.63562.52613.06916.05614.99215.23231.76441.7682
H162.68844.05752.15864.99731.09212.95314.66134.24203.07122.50005.98435.23234.85771.77551.7682

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 111.024 N1 C2 H7 112.883
N1 C2 H8 107.608 N1 C3 C5 111.024
N1 C3 H9 112.883 N1 C3 H10 107.608
C2 N1 C3 113.615 C2 N1 H6 109.065
C2 C4 H11 111.039 C2 C4 H12 111.140
C2 C4 H13 110.412 C3 N1 H6 109.065
C3 C5 H14 111.039 C3 C5 H15 111.140
C3 C5 H16 110.412 C4 C2 H7 109.720
C4 C2 H8 109.429 C5 C3 H8 150.968
C5 C3 H10 109.429 H7 C2 H8 105.989
H9 C3 H10 105.989 H11 C4 H12 107.521
H11 C4 H13 108.715 H12 C4 H13 107.895
H14 C5 H15 107.521 H14 C5 H16 108.715
H15 C5 H16 107.895
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.527      
2 C -0.084      
3 C -0.084      
4 C -0.408      
5 C -0.408      
6 H 0.251      
7 H 0.098      
8 H 0.130      
9 H 0.098      
10 H 0.130      
11 H 0.130      
12 H 0.125      
13 H 0.148      
14 H 0.130      
15 H 0.125      
16 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.807 0.358 0.000 0.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.258 1.630 0.000
y 1.630 -33.856 0.000
z 0.000 0.000 -32.607
Traceless
 xyz
x -0.026 1.630 0.000
y 1.630 -0.924 0.000
z 0.000 0.000 0.950
Polar
3z2-r21.901
x2-y20.598
xy1.630
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.856 0.118 0.000
y 0.118 7.223 0.000
z 0.000 0.000 9.190


<r2> (average value of r2) Å2
<r2> 186.194
(<r2>)1/2 13.645