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

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-213.739852
Energy at 298.15K-213.752504
HF Energy-213.739852
Nuclear repulsion energy188.558275
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 B3PW91/6-31G(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' 3521 3385 0.47      
2 A' 3138 3017 37.59      
3 A' 3117 2997 58.72      
4 A' 3045 2927 64.44      
5 A' 3041 2923 5.37      
6 A' 2925 2812 161.16      
7 A' 1523 1464 1.18      
8 A' 1494 1437 1.71      
9 A' 1484 1427 11.51      
10 A' 1423 1368 2.97      
11 A' 1389 1335 0.44      
12 A' 1317 1266 3.83      
13 A' 1231 1184 1.43      
14 A' 1165 1120 14.28      
15 A' 1069 1028 5.68      
16 A' 904 869 7.69      
17 A' 821 790 1.34      
18 A' 761 732 71.66      
19 A' 424 408 0.26      
20 A' 254 244 0.87      
21 A' 183 176 0.93      
22 A' 110 106 0.92      
23 A" 3138 3016 11.45      
24 A" 3117 2996 12.45      
25 A" 3044 2926 17.52      
26 A" 3039 2922 12.05      
27 A" 2919 2807 14.27      
28 A" 1511 1452 9.74      
29 A" 1502 1444 10.22      
30 A" 1490 1433 7.27      
31 A" 1473 1416 11.67      
32 A" 1400 1346 11.57      
33 A" 1351 1299 32.80      
34 A" 1279 1229 3.54      
35 A" 1180 1135 47.26      
36 A" 1111 1068 9.01      
37 A" 1065 1024 2.94      
38 A" 948 912 0.17      
39 A" 804 773 0.43      
40 A" 421 405 0.41      
41 A" 255 245 0.66      
42 A" 119 114 0.90      

Unscaled Zero Point Vibrational Energy (zpe) 32751.1 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 31486.9 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 B3PW91/6-31G(2df,p)
ABC
0.59320 0.07017 0.06615

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.017 -0.279 0.000
C2 0.017 0.516 1.216
C3 0.017 0.516 -1.216
C4 0.017 -0.372 2.452
C5 0.017 -0.372 -2.452
H6 -0.795 -0.889 0.000
H7 -0.833 1.225 1.266
H8 0.925 1.134 1.209
H9 -0.833 1.225 -1.266
H10 0.925 1.134 -1.209
H11 0.061 0.228 3.365
H12 -0.893 -0.982 2.500
H13 0.875 -1.051 2.436
H14 0.061 0.228 -3.365
H15 -0.893 -0.982 -2.500
H16 0.875 -1.051 -2.436

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
N11.45281.45282.45352.45351.01572.14182.06942.14182.06943.40372.75212.69583.40372.75212.6958
C21.45282.43231.52163.77392.02781.10791.09852.71812.66232.16902.17262.16304.59094.10904.0658
C31.45282.43233.77391.52162.02782.71812.66231.10791.09854.59094.10904.06582.16902.17262.1630
C42.45351.52163.77394.90352.63392.16292.15354.13504.06131.09421.09641.09385.84835.07175.0089
C52.45353.77391.52164.90352.63394.13504.06132.16292.15355.84835.07175.00891.09421.09641.0938
H61.01572.02782.02782.63392.63392.46452.91762.46452.91763.64782.50402.95813.64782.50402.9581
H72.14181.10792.71812.16294.13502.46451.76112.53293.03742.48962.52913.07624.82154.36604.6696
H82.06941.09852.66232.15354.06132.91761.76113.03742.41802.49373.07402.50634.74284.64124.2501
H92.14182.71811.10794.13502.16292.46452.53293.03741.76114.82154.36604.66962.48962.52913.0762
H102.06942.66231.09854.06132.15352.91763.03742.41801.76114.74284.64124.25012.49373.07402.5063
H113.40372.16904.59091.09425.84833.64782.48962.49374.82154.74281.76691.77806.73106.06475.9965
H122.75212.17264.10901.09645.07172.50402.52913.07404.36604.64121.76691.77046.06475.00075.2441
H132.69582.16304.06581.09385.00892.95813.07622.50634.66964.25011.77801.77045.99655.24414.8726
H143.40374.59092.16905.84831.09423.64784.82154.74282.48962.49376.73106.06475.99651.76691.7780
H152.75214.10902.17265.07171.09642.50404.36604.64122.52913.07406.06475.00075.24411.76691.7704
H162.69584.06582.16305.00891.09382.95814.66964.25013.07622.50635.99655.24414.87261.77801.7704

picture of diethylamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C4 111.128 N1 C2 H7 112.840
N1 C2 H8 107.596 N1 C3 C5 111.128
N1 C3 H9 112.840 N1 C3 H10 107.596
C2 N1 C3 113.673 C2 N1 H6 109.181
C2 C4 H11 110.972 C2 C4 H12 111.129
C2 C4 H13 110.523 C3 N1 H6 109.181
C3 C5 H14 110.972 C3 C5 H15 111.129
C3 C5 H16 110.523 C4 C2 H7 109.680
C4 C2 H8 109.491 C5 C3 H8 151.062
C5 C3 H10 109.491 H7 C2 H8 105.914
H9 C3 H10 105.914 H11 C4 H12 107.525
H11 C4 H13 108.708 H12 C4 H13 107.864
H14 C5 H15 107.525 H14 C5 H16 108.708
H15 C5 H16 107.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.328      
2 C -0.142      
3 C -0.142      
4 C -0.451      
5 C -0.451      
6 H 0.230      
7 H 0.096      
8 H 0.126      
9 H 0.096      
10 H 0.126      
11 H 0.137      
12 H 0.132      
13 H 0.150      
14 H 0.137      
15 H 0.132      
16 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.724 0.294 0.000 0.781
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.050 1.535 0.000
y 1.535 -33.768 0.000
z 0.000 0.000 -32.850
Traceless
 xyz
x 0.260 1.535 0.000
y 1.535 -0.818 0.000
z 0.000 0.000 0.559
Polar
3z2-r21.117
x2-y20.719
xy1.535
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.008 0.097 0.000
y 0.097 7.437 0.000
z 0.000 0.000 9.587


<r2> (average value of r2) Å2
<r2> 186.665
(<r2>)1/2 13.663