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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-228.434600
Energy at 298.15K-228.446801
Nuclear repulsion energy192.204569
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 BLYP/3-21G
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 3369 3351 3.74      
2 A 3326 3308 4.80      
3 A 3261 3243 7.51      
4 A 3236 3218 18.71      
5 A 3048 3032 34.07      
6 A 3026 3009 19.86      
7 A 3023 3006 31.57      
8 A 2970 2954 39.57      
9 A 2965 2949 25.39      
10 A 2809 2794 96.64      
11 A 1667 1658 1.57      
12 A 1657 1648 36.55      
13 A 1534 1525 4.11      
14 A 1518 1509 4.53      
15 A 1484 1476 1.48      
16 A 1413 1405 9.71      
17 A 1384 1377 4.25      
18 A 1376 1368 1.11      
19 A 1349 1341 11.20      
20 A 1331 1323 11.87      
21 A 1258 1251 1.91      
22 A 1189 1183 2.29      
23 A 1125 1119 0.11      
24 A 1050 1044 5.51      
25 A 1031 1025 4.94      
26 A 992 987 2.25      
27 A 910 905 7.92      
28 A 869 864 3.23      
29 A 812 807 41.88      
30 A 711 707 112.25      
31 A 653 649 222.30      
32 A 476 473 10.68      
33 A 449 447 28.81      
34 A 382 380 64.53      
35 A 350 349 0.72      
36 A 249 248 3.98      
37 A 226 225 10.52      
38 A 204 203 80.49      
39 A 101 101 14.46      

Unscaled Zero Point Vibrational Energy (zpe) 29391.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 29229.8 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 BLYP/3-21G
ABC
0.25988 0.11340 0.08683

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.449 1.404 -0.213
H2 -0.396 1.897 0.133
H3 1.280 1.949 0.083
N4 -2.075 -0.143 0.016
H5 -2.169 0.733 -0.523
H6 -2.255 0.041 1.019
C7 -0.733 -0.763 -0.204
H8 -0.741 -1.776 0.234
H9 -0.588 -0.848 -1.293
C10 1.814 -0.655 -0.051
H11 1.838 -1.705 0.285
H12 1.898 -0.618 -1.149
H13 2.683 -0.133 0.386
C14 0.489 0.023 0.373
H15 0.414 0.002 1.487

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.03781.03742.96902.72053.26952.46793.42492.70372.47543.44132.65752.77731.50052.2043
H21.03781.67752.64512.22062.77312.70233.69133.09933.38084.24143.63743.69712.08652.4664
H31.03741.67753.95443.70754.12523.38954.24133.63402.66173.70232.91372.52922.10232.5524
N42.96902.64513.95441.03391.03561.49412.11972.10253.92254.22114.16714.77252.59372.8943
H52.72052.22063.70751.03391.69332.09852.98552.36514.24464.75994.33145.01272.89403.3542
H63.26952.77314.12521.03561.69332.11152.49242.98594.26444.50994.73114.98232.81942.7099
C72.46792.70233.38951.49412.09852.11151.10421.10192.55352.78122.79933.52361.56302.1814
H83.42493.69134.24132.11972.98552.49241.10421.79332.80462.58013.19663.80152.18422.4630
H92.70373.09933.63402.10252.36512.98591.10191.79332.71053.01772.50063.74552.16613.0746
C102.47543.38082.66173.92254.24464.26442.55352.80462.71051.10291.10181.10421.54732.1811
H113.44134.24143.70234.22114.75994.50992.78122.58013.01771.10291.80041.78822.19402.5272
H122.65753.63742.91374.16714.33144.73112.79933.19662.50061.10181.80041.79042.17063.0880
H132.77733.69712.52924.77255.01274.98233.52363.80153.74551.10421.78821.79042.20012.5268
C141.50052.08652.10232.59372.89402.81941.56302.18422.16611.54732.19402.17062.20011.1172
H152.20432.46642.55242.89433.35422.70992.18142.46303.07462.18112.52723.08802.52681.1172

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 107.314 N1 C14 C10 108.611
N1 C14 H15 113.920 H2 N1 H3 107.864
H2 N1 C14 109.212 H3 N1 C14 110.536
N4 C7 H8 108.400 N4 C7 H9 107.210
N4 C7 C14 116.065 H5 N4 H6 109.808
H5 N4 C7 110.914 H6 N4 C7 111.892
C7 C14 C10 110.368 C7 C14 H15 107.796
H8 C7 H9 108.754 H8 C7 C14 108.732
H9 C7 C14 107.485 C10 C14 H15 108.813
H11 C10 H12 109.497 H11 C10 H13 108.230
H11 C10 C14 110.639 H12 C10 H13 108.510
H12 C10 C14 108.882 H13 C10 C14 111.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.600      
2 H 0.226      
3 H 0.244      
4 N -0.607      
5 H 0.251      
6 H 0.241      
7 C -0.182      
8 H 0.172      
9 H 0.193      
10 C -0.503      
11 H 0.171      
12 H 0.190      
13 H 0.166      
14 C -0.094      
15 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.819 1.283 1.711 2.290
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> 146.851
(<r2>)1/2 12.118