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

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-229.778584
Energy at 298.15K-229.791024
Nuclear repulsion energy194.882795
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 B3PW91/6-31+G**
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 3640 3495 2.21      
2 A 3617 3473 1.41      
3 A 3536 3395 0.53      
4 A 3528 3388 0.75      
5 A 3134 3009 28.00      
6 A 3120 2996 31.46      
7 A 3100 2976 25.57      
8 A 3047 2926 52.90      
9 A 3042 2921 14.59      
10 A 2925 2808 85.80      
11 A 1665 1598 5.46      
12 A 1656 1590 76.15      
13 A 1501 1442 4.37      
14 A 1491 1432 7.62      
15 A 1474 1415 1.18      
16 A 1416 1360 4.12      
17 A 1405 1349 14.57      
18 A 1392 1337 7.07      
19 A 1370 1315 12.39      
20 A 1338 1285 7.20      
21 A 1258 1208 1.02      
22 A 1200 1152 2.79      
23 A 1173 1127 5.96      
24 A 1121 1076 23.92      
25 A 1047 1005 8.90      
26 A 1020 979 1.12      
27 A 954 915 2.89      
28 A 888 853 26.66      
29 A 864 829 81.13      
30 A 820 787 103.18      
31 A 763 733 161.60      
32 A 492 472 1.55      
33 A 468 449 23.15      
34 A 367 353 1.90      
35 A 348 334 53.23      
36 A 259 248 16.96      
37 A 241 231 26.99      
38 A 219 211 21.08      
39 A 122 117 4.25      

Unscaled Zero Point Vibrational Energy (zpe) 30510.1 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 29292.8 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 B3PW91/6-31+G**
ABC
0.26555 0.11612 0.08868

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.505 1.388 -0.213
H2 -0.267 1.943 0.144
H3 1.360 1.867 0.057
N4 -2.057 -0.129 0.032
H5 -2.182 0.743 -0.469
H6 -2.222 0.034 1.021
C7 -0.748 -0.716 -0.219
H8 -0.748 -1.734 0.191
H9 -0.628 -0.806 -1.305
C10 1.760 -0.694 -0.028
H11 1.747 -1.724 0.342
H12 1.886 -0.716 -1.116
H13 2.636 -0.198 0.404
C14 0.471 0.033 0.340
H15 0.381 0.037 1.444

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01561.01562.98782.77503.28532.44933.38852.70032.43823.39702.67412.72711.46412.1414
H21.01561.63052.74072.34122.87012.72673.70893.12853.33084.18913.64633.61652.05752.3964
H31.01561.63053.95653.75204.13693.34494.17403.59832.59313.62312.88492.45182.05712.4956
N42.98782.74073.95651.01381.01501.45582.07722.07083.85904.13664.14894.70822.55172.8215
H52.77502.34123.75201.01381.65022.06052.93752.34794.21874.70994.37014.98592.86283.2744
H63.28532.87014.13691.01501.65022.06622.44652.94184.18164.39374.69114.90242.77772.6366
C72.44932.72673.34491.45582.06052.06621.09771.09682.51582.74962.78353.48031.53622.1464
H83.38853.70894.17402.07722.93752.44651.09771.76532.72372.49943.11223.72242.15162.4453
H92.70033.12853.59832.07082.34792.94181.09681.76532.71063.03332.52343.73502.14893.0475
C102.43823.33082.59313.85904.21874.18162.51582.72372.71061.09501.09551.09611.52482.1461
H113.39704.18913.62314.13664.70994.39372.74962.49943.03331.09501.77871.76792.17172.4872
H122.67413.64632.88494.14894.37014.69112.78353.11222.52341.09551.77871.77302.16413.0643
H132.72713.61652.45184.70824.98594.90243.48033.72243.73501.09611.76791.77302.17822.4947
C141.46412.05752.05712.55172.86282.77771.53622.15162.14891.52482.17172.16412.17821.1080
H152.14142.39642.49562.82153.27442.63662.14642.44533.04752.14612.48723.06432.49471.1080

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 109.418 N1 C14 C10 109.301
N1 C14 H15 111.980 H2 N1 H3 106.783
H2 N1 C14 110.840 H3 N1 C14 110.810
N4 C7 H8 108.052 N4 C7 H9 107.607
N4 C7 C14 117.021 H5 N4 H6 108.852
H5 N4 C7 111.852 H6 N4 C7 112.261
C7 C14 C10 110.548 C7 C14 H15 107.425
H8 C7 H9 107.114 H8 C7 C14 108.397
H9 C7 C14 108.246 C10 C14 H15 108.154
H11 C10 H12 108.582 H11 C10 H13 107.581
H11 C10 C14 110.916 H12 C10 H13 107.997
H12 C10 C14 110.281 H13 C10 C14 111.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.602      
2 H 0.284      
3 H 0.288      
4 N -0.644      
5 H 0.301      
6 H 0.292      
7 C -0.295      
8 H 0.149      
9 H 0.164      
10 C -0.630      
11 H 0.162      
12 H 0.179      
13 H 0.154      
14 C 0.071      
15 H 0.128      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.044 1.028 1.752 2.284
CHELPG        
AIM        
ESP        


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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 144.700
(<r2>)1/2 12.029