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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-228.353646
Energy at 298.15K-228.366516
Nuclear repulsion energy195.952201
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
(Å4/u)
Dep P Dep U
1 A 3828 3462 0.02      
2 A 3815 3450 0.18      
3 A 3749 3390 1.04      
4 A 3744 3386 0.79      
5 A 3250 2939 89.60      
6 A 3235 2925 16.33      
7 A 3229 2921 63.83      
8 A 3193 2888 57.34      
9 A 3175 2871 29.95      
10 A 3080 2785 100.23      
11 A 1861 1683 25.10      
12 A 1849 1672 58.85      
13 A 1636 1479 2.73      
14 A 1628 1472 5.08      
15 A 1616 1462 0.35      
16 A 1568 1418 0.52      
17 A 1547 1399 13.68      
18 A 1529 1383 7.25      
19 A 1508 1364 7.58      
20 A 1469 1329 13.58      
21 A 1375 1243 0.65      
22 A 1318 1192 7.83      
23 A 1264 1143 10.85      
24 A 1187 1074 19.36      
25 A 1140 1031 17.88      
26 A 1098 993 2.58      
27 A 1029 930 11.44      
28 A 995 900 116.94      
29 A 963 870 142.01      
30 A 931 842 73.74      
31 A 857 775 56.96      
32 A 525 475 0.57      
33 A 503 454 20.19      
34 A 397 359 0.82      
35 A 373 338 58.64      
36 A 279 252 10.29      
37 A 264 238 22.37      
38 A 238 215 35.63      
39 A 132 119 5.14      

Unscaled Zero Point Vibrational Energy (zpe) 32685.6 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 29560.8 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
0.26806 0.11715 0.08940

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 0.495 1.383 -0.215
H2 -0.250 1.934 0.158
H3 1.344 1.847 0.036
N4 -2.048 -0.126 0.032
H5 -2.155 0.734 -0.462
H6 -2.197 0.049 1.004
C7 -0.746 -0.722 -0.217
H8 -0.754 -1.726 0.197
H9 -0.631 -0.821 -1.290
C10 1.759 -0.687 -0.027
H11 1.758 -1.707 0.343
H12 1.889 -0.712 -1.104
H13 2.622 -0.185 0.402
C14 0.465 0.032 0.337
H15 0.380 0.047 1.429

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N10.99830.99902.96792.74013.24202.44363.37592.69872.43213.38422.66852.71351.45982.1217
H20.99831.60042.73782.33582.83882.72733.69463.13553.30664.16163.62803.57722.03962.3612
H30.99901.60043.92433.70554.08713.32114.14653.57432.56823.59102.85342.42862.03892.4721
N42.96792.73783.92430.99760.99901.45312.06402.05933.84834.13304.13934.68512.53682.8071
H52.74012.33583.70550.99761.61852.04042.90622.32964.18634.68164.34244.94092.82803.2369
H63.24202.83884.08710.99901.61852.04672.42582.91124.15314.37734.65984.86172.74412.6118
C72.44362.72733.32111.45312.04042.04671.08611.08462.51222.74862.78043.46621.53052.1375
H83.37593.69464.14652.06402.90622.42581.08611.74532.72842.51653.11543.71662.14412.4391
H92.69873.13553.57432.05932.32962.91121.08461.74532.70643.02652.52913.72132.13983.0287
C102.43213.30662.56823.84834.18634.15312.51222.72842.70641.08511.08491.08641.52392.1348
H113.38424.16163.59104.13304.68164.37732.74862.51653.02651.08511.76051.75062.16682.4805
H122.66853.62802.85344.13934.34244.65982.78043.11542.52911.08491.76051.75492.15793.0440
H132.71353.57722.42864.68514.94094.86173.46623.71663.72131.08641.75061.75492.16872.4768
C141.45982.03962.03892.53682.82802.74411.53052.14412.13981.52392.16682.15792.16871.0953
H152.12172.36122.47212.80713.23692.61182.13752.43913.02872.13482.48053.04402.47681.0953

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 109.580 N1 C14 C10 109.185
N1 C14 H15 111.480 H2 N1 H3 106.506
H2 N1 C14 110.743 H3 N1 C14 110.641
N4 C7 H8 107.880 N4 C7 H9 107.599
N4 C7 C14 116.456 H5 N4 H6 108.314
H5 N4 C7 111.377 H6 N4 C7 111.828
C7 C14 C10 110.674 C7 C14 H15 107.834
H8 C7 H9 107.034 H8 C7 C14 108.867
H9 C7 C14 108.623 C10 C14 H15 108.078
H11 C10 H12 108.453 H11 C10 H13 107.449
H11 C10 C14 111.193 H12 C10 H13 107.853
H12 C10 C14 110.494 H13 C10 C14 111.263
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 -0.839 -1.033   -1.015
2 H 0.323 0.331   0.328
3 H 0.336 0.386   0.386
4 N -0.837 -1.083   -1.078
5 H 0.332 0.403   0.407
6 H 0.320 0.368   0.372
7 C -0.171 0.480   0.406
8 H 0.203 -0.052   -0.023
9 H 0.212 -0.031   -0.006
10 C -0.618 -0.442   -0.507
11 H 0.209 0.067   0.088
12 H 0.219 0.109   0.131
13 H 0.202 0.125   0.142
14 C -0.056 0.443   0.421
15 H 0.164 -0.072   -0.052


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.074 1.152 1.822 2.408
CHELPG        
AIM        
ESP 1.065 1.153 1.788 2.380


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.438 -0.230 -0.106
y -0.230 6.935 -0.051
z -0.106 -0.051 6.249


<r2> (average value of r2) Å2
<r2> 143.436
(<r2>)1/2 11.976