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*

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*
 hartrees
Energy at 0K-212.314047
Energy at 298.15K-212.327045
HF Energy-212.314047
Nuclear repulsion energy189.180300
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*
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' 3737 3358 0.39      
2 A' 3283 2949 81.59      
3 A' 3260 2929 120.77      
4 A' 3227 2899 43.56      
5 A' 3200 2876 23.77      
6 A' 3122 2805 185.08      
7 A' 1680 1509 0.02      
8 A' 1644 1477 2.45      
9 A' 1637 1470 8.38      
10 A' 1585 1424 2.17      
11 A' 1542 1385 0.16      
12 A' 1446 1299 5.99      
13 A' 1346 1210 2.66      
14 A' 1280 1150 20.30      
15 A' 1133 1018 5.93      
16 A' 973 874 4.80      
17 A' 898 807 6.18      
18 A' 838 753 85.14      
19 A' 453 407 0.56      
20 A' 278 250 1.59      
21 A' 201 181 0.94      
22 A' 122 109 1.78      
23 A" 3282 2949 11.19      
24 A" 3259 2928 33.94      
25 A" 3219 2892 1.68      
26 A" 3199 2875 40.89      
27 A" 3113 2797 5.70      
28 A" 1671 1501 34.20      
29 A" 1664 1495 8.06      
30 A" 1642 1475 3.45      
31 A" 1630 1465 10.68      
32 A" 1563 1404 8.86      
33 A" 1499 1347 32.95      
34 A" 1407 1264 2.80      
35 A" 1261 1133 50.91      
36 A" 1220 1096 9.33      
37 A" 1158 1040 0.46      
38 A" 1010 908 0.53      
39 A" 872 783 0.47      
40 A" 459 412 0.36      
41 A" 278 250 0.59      
42 A" 117 105 1.18      

Unscaled Zero Point Vibrational Energy (zpe) 35201.4 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 31628.5 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 HF/6-31G*
ABC
0.59549 0.07043 0.06633

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.267 0.000
C2 0.017 0.520 1.217
C3 0.017 0.520 -1.217
C4 0.017 -0.378 2.447
C5 0.017 -0.378 -2.447
H6 -0.775 -0.882 0.000
H7 -0.830 1.211 1.267
H8 0.914 1.133 1.219
H9 -0.830 1.211 -1.267
H10 0.914 1.133 -1.219
H11 0.048 0.212 3.358
H12 -0.879 -0.993 2.483
H13 0.876 -1.039 2.433
H14 0.048 0.212 -3.358
H15 -0.879 -0.993 -2.483
H16 0.876 -1.039 -2.433

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.44981.44982.44962.44961.00272.12312.06102.12312.06103.39172.73752.69353.39172.73752.6935
C21.44982.43491.52283.77302.01881.09441.08602.71412.66712.16242.16632.15594.58554.09684.0617
C31.44982.43493.77301.52282.01882.71412.66711.09441.08604.58554.09684.06172.16242.16632.1559
C42.44961.52283.77304.89412.62082.15352.14394.12754.06491.08551.08711.08415.83465.04814.9991
C52.44963.77301.52284.89412.62084.12754.06492.15352.14395.83465.04814.99911.08551.08711.0841
H61.00272.01882.01882.62082.62082.44742.89752.44742.89753.62592.48752.94473.62592.48752.9447
H72.12311.09442.71412.15354.12752.44741.74652.53343.03712.47812.51783.05574.81184.34964.6546
H82.06101.08602.66712.14394.06492.89751.74653.03712.43702.48453.05452.48864.74744.62944.2488
H92.12312.71411.09444.12752.15352.44742.53343.03711.74654.81184.34964.65462.47812.51783.0557
H102.06102.66711.08604.06492.14392.89753.03712.43701.74654.74744.62944.24882.48453.05452.4886
H113.39172.16244.58551.08555.83463.62592.47812.48454.81184.74741.75381.76246.71516.03495.9820
H122.73752.16634.09681.08715.04812.48752.51783.05454.34964.62941.75381.75666.03494.96565.2201
H132.69352.15594.06171.08414.99912.94473.05572.48864.65464.24881.76241.75665.98205.22014.8663
H143.39174.58552.16245.83461.08553.62594.81184.74742.47812.48456.71516.03495.98201.75381.7624
H152.73754.09682.16635.04811.08712.48754.34964.62942.51783.05456.03494.96565.22011.75381.7566
H162.69354.06172.15594.99911.08412.94474.65464.24883.05572.48865.98205.22014.86631.76241.7566

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 110.957 N1 C2 H7 112.375
N1 C2 H8 107.875 N1 C3 C5 110.957
N1 C3 H9 112.375 N1 C3 H10 107.875
C2 N1 C3 114.226 C2 N1 H6 109.454
C2 C4 H11 110.881 C2 C4 H12 111.106
C2 C4 H13 110.447 C3 N1 H6 109.454
C3 C5 H14 110.881 C3 C5 H15 111.106
C3 C5 H16 110.447 C4 C2 H7 109.649
C4 C2 H8 109.382 C5 C3 H8 150.796
C5 C3 H10 109.382 H7 C2 H8 106.453
H9 C3 H10 106.453 H11 C4 H12 107.651
H11 C4 H13 108.640 H12 C4 H13 108.005
H14 C5 H15 107.651 H14 C5 H16 108.640
H15 C5 H16 108.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.699      
2 C -0.105      
3 C -0.105      
4 C -0.484      
5 C -0.484      
6 H 0.328      
7 H 0.129      
8 H 0.159      
9 H 0.129      
10 H 0.159      
11 H 0.160      
12 H 0.150      
13 H 0.176      
14 H 0.160      
15 H 0.150      
16 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.879 0.473 0.000 0.999
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.850 1.637 0.000
y 1.637 -34.496 0.000
z 0.000 0.000 -33.454
Traceless
 xyz
x 0.125 1.637 0.000
y 1.637 -0.844 0.000
z 0.000 0.000 0.719
Polar
3z2-r21.438
x2-y20.646
xy1.637
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.546 0.143 0.000
y 0.143 6.797 0.000
z 0.000 0.000 8.355


<r2> (average value of r2) Å2
<r2> 186.436
(<r2>)1/2 13.654