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: B1B95/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G*
 hartrees
Energy at 0K-212.492837
Energy at 298.15K-212.505514
HF Energy-212.492837
Nuclear repulsion energy187.907113
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 B1B95/3-21G*
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' 3448 3292 1.91      
2 A' 3174 3031 33.06      
3 A' 3149 3007 54.40      
4 A' 3091 2952 47.08      
5 A' 3078 2939 8.62      
6 A' 2960 2826 154.45      
7 A' 1590 1519 2.08      
8 A' 1570 1499 3.21      
9 A' 1557 1487 19.27      
10 A' 1454 1389 9.48      
11 A' 1435 1370 0.10      
12 A' 1343 1282 1.11      
13 A' 1257 1201 2.76      
14 A' 1177 1124 9.95      
15 A' 1052 1004 2.14      
16 A' 922 880 8.99      
17 A' 856 818 6.50      
18 A' 697 665 104.03      
19 A' 422 403 0.91      
20 A' 264 252 1.18      
21 A' 180 172 1.43      
22 A' 103 98 1.56      
23 A" 3174 3031 9.17      
24 A" 3149 3007 14.55      
25 A" 3090 2951 2.20      
26 A" 3077 2938 20.01      
27 A" 2955 2822 12.58      
28 A" 1579 1507 1.38      
29 A" 1567 1496 5.12      
30 A" 1561 1491 7.04      
31 A" 1512 1444 11.20      
32 A" 1452 1386 18.55      
33 A" 1377 1315 30.24      
34 A" 1322 1263 6.96      
35 A" 1168 1115 45.80      
36 A" 1139 1088 27.35      
37 A" 1083 1034 1.28      
38 A" 955 912 0.04      
39 A" 843 805 0.92      
40 A" 417 398 1.40      
41 A" 263 251 0.92      
42 A" 123 117 1.61      

Unscaled Zero Point Vibrational Energy (zpe) 33292.1 cm-1
Scaled (by 0.9549) Zero Point Vibrational Energy (zpe) 31790.6 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 B1B95/3-21G*
ABC
0.57408 0.07019 0.06591

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.016 -0.266 0.000
C2 0.016 0.537 1.231
C3 0.016 0.537 -1.231
C4 0.016 -0.389 2.447
C5 0.016 -0.389 -2.447
H6 -0.769 -0.924 0.000
H7 -0.835 1.239 1.293
H8 0.930 1.139 1.228
H9 -0.835 1.239 -1.293
H10 0.930 1.139 -1.228
H11 0.095 0.181 3.376
H12 -0.908 -0.975 2.483
H13 0.859 -1.078 2.372
H14 0.095 0.181 -3.376
H15 -0.908 -0.975 -2.483
H16 0.859 -1.078 -2.372

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.46981.46982.45062.45061.02382.15892.07822.15892.07823.40632.74242.64513.40632.74242.6451
C21.46982.46191.52903.79322.06521.10481.09472.75412.69162.17592.16932.14984.62134.11484.0374
C31.46982.46193.79321.52902.06522.75412.69161.10481.09474.62134.11484.03742.17592.16932.1498
C42.45061.52903.79324.89502.62522.17002.15844.16704.08421.09231.09431.09125.85185.05044.9410
C52.45063.79321.52904.89502.62524.16704.08422.17002.15845.85185.05044.94101.09231.09431.0912
H61.02382.06522.06522.62522.62522.52092.94122.52092.94123.65562.48742.88073.65562.48742.8807
H72.15891.10482.75412.17004.16702.52091.76882.58533.07862.51502.51463.06664.87664.37744.6550
H82.07821.09472.69162.15844.08422.94121.76883.07862.45592.49603.06952.49634.77624.64954.2288
H92.15892.75411.10484.16702.17002.52092.58533.07861.76884.87664.37744.65502.51502.51463.0666
H102.07822.69161.09474.08422.15842.94123.07862.45591.76884.77624.64954.22882.49603.06952.4963
H113.40632.17594.62131.09235.85183.65562.51502.49604.87664.77621.77151.78226.75206.05555.9337
H122.74242.16934.11481.09435.05042.48742.51463.06954.37744.64951.77151.77326.05554.96615.1676
H132.64512.14984.03741.09124.94102.88073.06662.49634.65504.22881.78221.77325.93375.16764.7441
H143.40634.62132.17595.85181.09233.65564.87664.77622.51502.49606.75206.05555.93371.77151.7822
H152.74244.11482.16935.05041.09432.48744.37744.64952.51463.06956.05554.96615.16761.77151.7732
H162.64514.03742.14984.94101.09122.88074.65504.22883.06662.49635.93375.16764.74411.78221.7732

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 109.596 N1 C2 H7 113.212
N1 C2 H8 107.361 N1 C3 C5 109.596
N1 C3 H9 113.212 N1 C3 H10 107.361
C2 N1 C3 113.753 C2 N1 H6 110.554
C2 C4 H11 111.120 C2 C4 H12 110.478
C2 C4 H13 109.119 C3 N1 H6 110.554
C3 C5 H14 111.120 C3 C5 H15 110.478
C3 C5 H16 109.119 C4 C2 H7 109.914
C4 C2 H8 109.598 C5 C3 H8 149.592
C5 C3 H10 109.598 H7 C2 H8 107.056
H9 C3 H10 107.056 H11 C4 H12 108.219
H11 C4 H13 109.407 H12 C4 H13 108.449
H14 C5 H15 108.219 H14 C5 H16 109.407
H15 C5 H16 108.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.589      
2 C -0.251      
3 C -0.251      
4 C -0.615      
5 C -0.615      
6 H 0.277      
7 H 0.176      
8 H 0.218      
9 H 0.176      
10 H 0.218      
11 H 0.204      
12 H 0.199      
13 H 0.225      
14 H 0.204      
15 H 0.199      
16 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.869 0.380 0.000 0.948
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.554 1.681 0.000
y 1.681 -33.731 0.000
z 0.000 0.000 -32.470
Traceless
 xyz
x -0.454 1.681 0.000
y 1.681 -0.719 0.000
z 0.000 0.000 1.173
Polar
3z2-r22.346
x2-y20.177
xy1.681
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.329 0.164 0.000
y 0.164 6.706 0.000
z 0.000 0.000 8.588


<r2> (average value of r2) Å2
<r2> 187.017
(<r2>)1/2 13.675