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

using model chemistry: B1B95/6-31+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 B1B95/6-31+G**
 hartrees
Energy at 0K-229.731409
Energy at 298.15K-229.743866
Nuclear repulsion energy195.542981
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 B1B95/6-31+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 3648 3490 2.26      
2 A 3627 3469 1.54      
3 A 3543 3389 0.62      
4 A 3537 3384 0.48      
5 A 3144 3008 26.59      
6 A 3131 2995 30.44      
7 A 3108 2973 27.25      
8 A 3055 2923 50.75      
9 A 3051 2919 16.58      
10 A 2938 2810 84.87      
11 A 1662 1590 5.01      
12 A 1651 1579 77.92      
13 A 1499 1434 4.15      
14 A 1489 1424 7.91      
15 A 1471 1407 1.09      
16 A 1417 1355 2.61      
17 A 1402 1341 17.37      
18 A 1390 1330 5.65      
19 A 1368 1309 12.65      
20 A 1335 1277 7.81      
21 A 1256 1201 1.17      
22 A 1200 1148 2.45      
23 A 1176 1125 6.29      
24 A 1128 1079 23.28      
25 A 1048 1002 10.17      
26 A 1022 978 0.91      
27 A 955 914 2.68      
28 A 887 848 25.27      
29 A 869 831 87.94      
30 A 820 784 100.87      
31 A 775 741 151.86      
32 A 494 472 2.77      
33 A 464 444 22.94      
34 A 364 348 11.21      
35 A 361 345 44.66      
36 A 258 247 15.08      
37 A 239 229 28.25      
38 A 217 207 20.73      
39 A 128 123 4.07      

Unscaled Zero Point Vibrational Energy (zpe) 30561.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 29235.2 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 B1B95/6-31+G**
ABC
0.26745 0.11725 0.08951

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.486 1.383 -0.212
H2 -0.287 1.930 0.152
H3 1.337 1.869 0.047
N4 -2.045 -0.132 0.026
H5 -2.159 0.736 -0.483
H6 -2.214 0.042 1.011
C7 -0.740 -0.724 -0.210
H8 -0.741 -1.736 0.210
H9 -0.613 -0.824 -1.293
C10 1.760 -0.680 -0.033
H11 1.758 -1.710 0.333
H12 1.877 -0.696 -1.120
H13 2.633 -0.177 0.394
C14 0.470 0.032 0.344
H15 0.385 0.037 1.446

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01431.01412.95862.73613.25262.43733.37782.69222.43103.38812.66102.72261.46062.1375
H21.01431.62872.71212.30922.83102.71653.69433.12733.32194.17893.63253.60932.05272.3894
H31.01411.62873.92953.71314.10813.33244.16453.58522.58513.61512.86942.44732.05302.4942
N42.95862.71213.92951.01261.01371.45242.07522.06673.84444.12864.12454.69242.54052.8190
H52.73612.30923.71311.01261.64792.05422.93262.34114.19104.68944.32934.95652.84493.2681
H63.25262.83104.10811.01371.64792.06162.44362.93634.17144.39364.67104.89082.76612.6349
C72.43732.71653.33241.45242.05422.06161.09571.09512.50652.73982.77043.46991.53082.1418
H83.37783.69434.16452.07522.93262.44361.09571.76292.72582.50243.11523.72132.14742.4371
H92.69223.12733.58522.06672.34112.93631.09511.76292.69083.00852.49903.71532.14163.0400
C102.43103.32192.58513.84444.19104.17142.50652.72582.69081.09311.09381.09411.52002.1428
H113.38814.17893.61514.12864.68944.39362.73982.50243.00851.09311.77601.76572.16592.4851
H122.66103.63252.86944.12454.32934.67102.77043.11522.49901.09381.77601.77052.15633.0575
H132.72263.60932.44734.69244.95654.89083.46993.72133.71531.09411.76571.77052.17312.4912
C141.46062.05272.05302.54052.84492.76611.53082.14742.14161.52002.16592.15632.17311.1057
H152.13752.38942.49422.81903.26812.63492.14182.43713.04002.14282.48513.05752.49121.1057

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 109.106 N1 C14 C10 109.275
N1 C14 H15 112.052 H2 N1 H3 106.825
H2 N1 C14 110.783 H3 N1 C14 110.822
N4 C7 H8 108.237 N4 C7 H9 107.614
N4 C7 C14 116.750 H5 N4 H6 108.832
H5 N4 C7 111.637 H6 N4 C7 112.212
C7 C14 C10 110.485 C7 C14 H15 107.562
H8 C7 H9 107.155 H8 C7 C14 108.557
H9 C7 C14 108.146 C10 C14 H15 108.352
H11 C10 H12 108.604 H11 C10 H13 107.658
H11 C10 C14 110.905 H12 C10 H13 108.044
H12 C10 C14 110.101 H13 C10 C14 111.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.607      
2 H 0.281      
3 H 0.286      
4 N -0.656      
5 H 0.299      
6 H 0.291      
7 C -0.241      
8 H 0.147      
9 H 0.161      
10 C -0.597      
11 H 0.158      
12 H 0.176      
13 H 0.150      
14 C 0.023      
15 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.063 1.026 1.742 2.284
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.280 -2.907 -0.936
y -2.907 -31.670 1.623
z -0.936 1.623 -34.166
Traceless
 xyz
x -3.362 -2.907 -0.936
y -2.907 3.553 1.623
z -0.936 1.623 -0.191
Polar
3z2-r2-0.382
x2-y2-4.610
xy-2.907
xz-0.936
yz1.623


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.967 -0.072 -0.023
y -0.072 8.162 -0.015
z -0.023 -0.015 7.536


<r2> (average value of r2) Å2
<r2> 143.658
(<r2>)1/2 11.986