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All results from a given calculation for C3H10N2 (1,2-Diaminopropane)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-228.374628
Energy at 298.15K-228.387486
Nuclear repulsion energy195.882796
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/6-311G**
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 3812 3463 0.86      
2 A 3800 3453 0.31      
3 A 3729 3388 0.04      
4 A 3724 3383 0.25      
5 A 3233 2937 72.47      
6 A 3215 2921 56.32      
7 A 3215 2920 21.88      
8 A 3173 2883 54.65      
9 A 3158 2869 24.12      
10 A 3062 2782 91.56      
11 A 1802 1637 13.72      
12 A 1793 1629 59.05      
13 A 1619 1471 2.08      
14 A 1611 1464 5.67      
15 A 1605 1458 0.17      
16 A 1557 1414 0.38      
17 A 1534 1394 15.58      
18 A 1516 1377 9.13      
19 A 1494 1358 5.36      
20 A 1460 1326 11.79      
21 A 1364 1239 0.65      
22 A 1305 1186 6.73      
23 A 1260 1144 9.77      
24 A 1184 1075 21.94      
25 A 1131 1027 14.24      
26 A 1092 992 2.68      
27 A 1022 929 5.89      
28 A 976 886 76.96      
29 A 948 861 127.35      
30 A 920 836 89.24      
31 A 849 771 72.88      
32 A 524 476 0.25      
33 A 502 456 18.79      
34 A 396 359 0.76      
35 A 366 333 52.29      
36 A 279 254 10.37      
37 A 263 239 24.35      
38 A 239 217 27.13      
39 A 129 118 4.64      

Unscaled Zero Point Vibrational Energy (zpe) 32428.9 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 29461.6 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 HF/6-311G**
ABC
0.26784 0.11707 0.08935

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.499 1.383 -0.215
H2 -0.258 1.931 0.140
H3 1.341 1.852 0.054
N4 -2.048 -0.126 0.035
H5 -2.157 0.738 -0.453
H6 -2.195 0.042 1.010
C7 -0.747 -0.720 -0.221
H8 -0.751 -1.726 0.191
H9 -0.632 -0.815 -1.296
C10 1.759 -0.688 -0.025
H11 1.755 -1.707 0.350
H12 1.888 -0.716 -1.103
H13 2.620 -0.182 0.403
C14 0.465 0.032 0.335
H15 0.376 0.044 1.428

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N10.99971.00042.97182.74403.24892.44523.37592.69832.43223.38392.66972.70751.45952.1226
H20.99971.60342.72972.31992.84212.72053.69113.12143.31064.16423.62793.58052.04182.3713
H31.00041.60343.92483.70624.08573.32494.14743.58162.57623.59622.86972.42842.04002.4674
N42.97182.72973.92480.99901.00051.45302.06602.06213.84924.13144.14024.68342.53592.8015
H52.74402.31993.70620.99901.62102.04222.91022.33474.19014.68384.34814.94012.82773.2310
H63.24892.84214.08571.00051.62102.04732.42562.91484.15184.37044.65964.85802.74362.6047
C72.44522.72053.32491.45302.04222.04731.08701.08572.51402.75022.77943.46671.53102.1363
H83.37593.69114.14742.06602.91022.42561.08701.74832.72442.51123.10803.71382.14232.4359
H92.69833.12143.58162.06212.33472.91481.08571.74832.71053.03402.52953.72342.14043.0287
C102.43223.31062.57623.84924.19014.15182.51402.72442.71051.08601.08591.08711.52462.1352
H113.38394.16423.59624.13144.68384.37042.75022.51123.03401.08601.76401.75442.16612.4761
H122.66973.62792.86974.14024.34814.65962.77943.10802.52951.08591.76401.75792.15783.0444
H132.70753.58052.42844.68344.94014.85803.46673.71383.72341.08711.75441.75792.16712.4768
C141.45952.04182.04002.53592.82772.74361.53102.14232.14041.52462.16612.15782.16711.0958
H152.12262.37132.46742.80153.23102.60472.13632.43593.02872.13522.47613.04442.47681.0958

picture of 1,2-Diaminopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C14 C7 109.681 N1 C14 C10 109.163
N1 C14 H15 111.548 H2 N1 H3 106.579
H2 N1 C14 110.863 H3 N1 C14 110.671
N4 C7 H8 107.991 N4 C7 H9 107.758
N4 C7 C14 116.366 H5 N4 H6 108.326
H5 N4 C7 111.444 H6 N4 C7 111.791
C7 C14 C10 110.726 C7 C14 H15 107.685
H8 C7 H9 107.157 H8 C7 C14 108.642
H9 C7 C14 108.569 C10 C14 H15 108.026
H11 C10 H12 108.627 H11 C10 H13 107.672
H11 C10 C14 111.029 H12 C10 H13 107.992
H12 C10 C14 110.367 H13 C10 C14 111.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.490      
2 H 0.172      
3 H 0.187      
4 N -0.518      
5 H 0.188      
6 H 0.177      
7 C 0.043      
8 H 0.089      
9 H 0.097      
10 C -0.223      
11 H 0.089      
12 H 0.100      
13 H 0.084      
14 C -0.059      
15 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.988 1.072 1.728 2.260
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.073 -2.723 -0.828
y -2.723 -31.310 1.601
z -0.828 1.601 -33.471
Traceless
 xyz
x -3.682 -2.723 -0.828
y -2.723 3.462 1.601
z -0.828 1.601 0.220
Polar
3z2-r20.441
x2-y2-4.763
xy-2.723
xz-0.828
yz1.601


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.648 -0.229 -0.095
y -0.229 7.094 -0.038
z -0.095 -0.038 6.370


<r2> (average value of r2) Å2
<r2> 143.370
(<r2>)1/2 11.974