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

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 C1 1A
Energy calculated at HF/6-31G*
 hartrees
Energy at 0K-228.304040
Energy at 298.15K-228.316904
HF Energy-228.304040
Nuclear repulsion energy195.890289
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 3822 3434 0.51      
2 A 3810 3423 0.14      
3 A 3732 3353 0.37      
4 A 3727 3349 0.65      
5 A 3278 2946 65.91      
6 A 3262 2931 20.91      
7 A 3259 2928 52.25      
8 A 3216 2890 52.25      
9 A 3200 2876 25.29      
10 A 3100 2785 94.86      
11 A 1843 1656 21.95      
12 A 1831 1645 52.19      
13 A 1647 1480 1.55      
14 A 1639 1473 3.54      
15 A 1630 1465 0.11      
16 A 1577 1417 1.25      
17 A 1560 1402 10.63      
18 A 1537 1381 13.21      
19 A 1511 1357 4.96      
20 A 1478 1328 15.70      
21 A 1378 1238 0.62      
22 A 1321 1187 8.12      
23 A 1271 1142 9.74      
24 A 1194 1073 17.91      
25 A 1142 1026 16.91      
26 A 1102 991 2.50      
27 A 1035 930 12.52      
28 A 997 896 118.70      
29 A 966 868 134.44      
30 A 932 837 80.95      
31 A 861 773 61.39      
32 A 527 473 0.82      
33 A 505 454 21.35      
34 A 398 357 0.97      
35 A 374 336 60.74      
36 A 280 252 14.23      
37 A 269 242 32.25      
38 A 243 219 24.84      
39 A 130 117 5.21      

Unscaled Zero Point Vibrational Energy (zpe) 32790.8 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 29462.6 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/6-31G*
ABC
0.26807 0.11711 0.08940

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.495 1.382 -0.215
H2 -0.258 1.932 0.151
H3 1.341 1.852 0.044
N4 -2.048 -0.127 0.032
H5 -2.151 0.739 -0.459
H6 -2.197 0.047 1.007
C7 -0.746 -0.722 -0.217
H8 -0.753 -1.726 0.199
H9 -0.630 -0.820 -1.291
C10 1.760 -0.686 -0.028
H11 1.760 -1.705 0.346
H12 1.885 -0.713 -1.105
H13 2.623 -0.180 0.398
C14 0.465 0.032 0.339
H15 0.380 0.044 1.430

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.00141.00222.96702.73383.24332.44303.37442.69662.43173.38302.66732.71021.45912.1235
H21.00141.60432.73142.31992.83692.72423.69193.12933.31064.16413.62873.58092.04182.3684
H31.00221.60433.92463.69974.08673.32464.14883.57882.57363.59462.86302.42892.04102.4725
N42.96702.73143.92461.00071.00211.45262.06372.05893.84944.13364.13584.68542.53702.8075
H52.73382.31993.69971.00071.62232.04122.90862.33124.18504.68134.33774.93662.82533.2344
H63.24332.83694.08671.00211.62232.04792.42462.91324.15514.37714.65854.86322.74482.6114
C72.44302.72423.32461.45262.04122.04791.08611.08452.51402.75002.77743.46741.53182.1380
H83.37443.69194.14882.06372.90862.42461.08611.74762.72972.51753.11273.71852.14382.4363
H92.69663.12933.57882.05892.33122.91321.08451.74762.70693.02882.52443.72042.14053.0287
C102.43173.31062.57363.84944.18504.15512.51402.72972.70691.08541.08511.08661.52542.1363
H113.38304.16413.59464.13364.68134.37712.75002.51753.02881.08541.76251.75292.16642.4777
H122.66733.62872.86304.13584.33774.65852.77743.11272.52441.08511.76251.75682.15783.0443
H132.71023.58092.42894.68544.93664.86323.46743.71853.72041.08661.75291.75682.16872.4792
C141.45912.04182.04102.53702.82532.74481.53182.14382.14051.52542.16642.15782.16871.0951
H152.12352.36842.47252.80753.23442.61142.13802.43633.02872.13632.47773.04432.47921.0951

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 109.506 N1 C14 C10 109.112
N1 C14 H15 111.690 H2 N1 H3 106.393
H2 N1 C14 110.782 H3 N1 C14 110.669
N4 C7 H8 107.886 N4 C7 H9 107.603
N4 C7 C14 116.415 H5 N4 H6 108.188
H5 N4 C7 111.278 H6 N4 C7 111.764
C7 C14 C10 110.634 C7 C14 H15 107.791
H8 C7 H9 107.240 H8 C7 C14 108.752
H9 C7 C14 108.590 C10 C14 H15 108.100
H11 C10 H12 108.585 H11 C10 H13 107.611
H11 C10 C14 111.035 H12 C10 H13 107.987
H12 C10 C14 110.362 H13 C10 C14 111.147
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 -0.847      
2 H 0.327      
3 H 0.337      
4 N -0.851      
5 H 0.340      
6 H 0.328      
7 C -0.104      
8 H 0.158      
9 H 0.173      
10 C -0.490      
11 H 0.162      
12 H 0.177      
13 H 0.156      
14 C 0.006      
15 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.111 1.159 1.840 2.441
CHELPG 1.084 1.176 1.810 2.416
AIM        
ESP 1.097 1.166 1.807 2.414


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.290 -2.902 -0.934
y -2.902 -31.173 1.811
z -0.934 1.811 -33.447
Traceless
 xyz
x -3.980 -2.902 -0.934
y -2.902 3.696 1.811
z -0.934 1.811 0.284
Polar
3z2-r20.568
x2-y2-5.117
xy-2.902
xz-0.934
yz1.811


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.987 -0.243 -0.136
y -0.243 6.578 -0.109
z -0.136 -0.109 5.850


<r2> (average value of r2) Å2
<r2> 143.330
(<r2>)1/2 11.972