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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-229.516260
Energy at 298.15K-229.528650
HF Energy-229.516260
Nuclear repulsion energy194.023100
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 PBEPBEultrafine/6-31G*
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 3464 3407 0.75      
2 A 3452 3395 1.24      
3 A 3366 3310 9.11      
4 A 3365 3309 1.63      
5 A 3066 3016 26.20      
6 A 3050 3000 30.14      
7 A 3025 2975 27.79      
8 A 2980 2931 33.86      
9 A 2972 2923 29.52      
10 A 2828 2781 93.05      
11 A 1648 1621 1.09      
12 A 1636 1609 55.62      
13 A 1484 1459 3.08      
14 A 1471 1447 4.87      
15 A 1450 1426 0.70      
16 A 1388 1365 6.18      
17 A 1379 1356 8.70      
18 A 1372 1349 1.89      
19 A 1348 1325 12.85      
20 A 1313 1291 11.71      
21 A 1245 1224 1.62      
22 A 1185 1165 4.65      
23 A 1146 1127 3.44      
24 A 1097 1079 7.31      
25 A 1033 1016 13.06      
26 A 1007 990 1.56      
27 A 943 928 18.53      
28 A 902 887 126.40      
29 A 876 862 74.20      
30 A 829 815 79.93      
31 A 788 775 45.74      
32 A 483 475 5.11      
33 A 463 455 25.00      
34 A 373 367 50.88      
35 A 357 351 1.44      
36 A 254 249 13.76      
37 A 242 238 33.46      
38 A 222 218 23.47      
39 A 115 113 5.81      

Unscaled Zero Point Vibrational Energy (zpe) 29806.7 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 29314.9 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 PBEPBEultrafine/6-31G*
ABC
0.26407 0.11548 0.08826

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.479 1.390 -0.218
H2 -0.306 1.926 0.165
H3 1.333 1.883 0.059
N4 -2.062 -0.136 0.027
H5 -2.147 0.754 -0.470
H6 -2.208 0.043 1.025
C7 -0.746 -0.732 -0.214
H8 -0.745 -1.755 0.206
H9 -0.621 -0.828 -1.307
C10 1.780 -0.676 -0.032
H11 1.787 -1.715 0.339
H12 1.901 -0.692 -1.128
H13 2.656 -0.161 0.401
C14 0.474 0.032 0.344
H15 0.385 0.026 1.458

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02451.02432.97382.71383.25282.45043.40182.70452.44913.41492.68122.74381.47002.1626
H21.02451.64312.71122.27262.81092.72033.70723.13793.34094.20273.66053.63092.05582.3993
H31.02431.64313.94983.69684.10593.35214.19263.61002.59953.63712.89242.45842.06082.5102
N42.97382.71123.94981.02341.02431.46402.09462.08203.88024.17114.16524.73272.56042.8391
H52.71382.27263.69681.02341.65652.05872.95342.35264.20314.71474.34964.96692.83803.2651
H63.25282.81094.10591.02431.65652.06722.45892.95264.18854.41814.69744.90872.76702.6296
C72.45042.72033.35211.46402.05872.06721.10621.10472.53392.77262.80123.50461.54362.1564
H83.40183.70724.19262.09462.95342.45891.10621.77952.75672.53543.14853.76172.16752.4533
H92.70453.13793.61002.08202.35262.95261.10471.77952.72333.04882.53213.75532.15943.0638
C102.44913.34092.59953.88024.20314.18852.53392.75672.72331.10301.10341.10451.53302.1581
H113.41494.20273.63714.17114.71474.41812.77262.53543.04881.10301.79231.78212.18512.4990
H122.68123.66052.89244.16524.34964.69742.80123.14852.53211.10341.79231.78622.17493.0824
H132.74383.63092.45844.73274.96694.90873.50463.76173.75531.10451.78211.78622.19192.5117
C141.47002.05582.06082.56042.83802.76701.54362.16752.15941.53302.18512.17492.19191.1172
H152.16262.39932.51022.83913.26512.62962.15642.45333.06382.15812.49903.08242.51171.1172

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 108.778 N1 C14 C10 109.268
N1 C14 H15 112.703 H2 N1 H3 106.637
H2 N1 C14 109.710 H3 N1 C14 110.129
N4 C7 H8 108.364 N4 C7 H9 107.471
N4 C7 C14 116.681 H5 N4 H6 107.985
H5 N4 C7 110.463 H6 N4 C7 111.121
C7 C14 C10 110.893 C7 C14 H15 107.189
H8 C7 H9 107.200 H8 C7 C14 108.639
H9 C7 C14 108.109 C10 C14 H15 108.011
H11 C10 H12 108.654 H11 C10 H13 107.667
H11 C10 C14 110.928 H12 C10 H13 108.002
H12 C10 C14 110.102 H13 C10 C14 111.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.696      
2 H 0.279      
3 H 0.296      
4 N -0.695      
5 H 0.301      
6 H 0.290      
7 C -0.168      
8 H 0.147      
9 H 0.161      
10 C -0.485      
11 H 0.158      
12 H 0.171      
13 H 0.150      
14 C -0.016      
15 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.964 1.188 1.736 2.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.714 -2.787 -0.862
y -2.787 -30.940 1.815
z -0.862 1.815 -33.305
Traceless
 xyz
x -3.591 -2.787 -0.862
y -2.787 3.570 1.815
z -0.862 1.815 0.022
Polar
3z2-r20.043
x2-y2-4.774
xy-2.787
xz-0.862
yz1.815


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.036 -0.221 -0.106
y -0.221 7.384 -0.070
z -0.106 -0.070 6.369


<r2> (average value of r2) Å2
<r2> 144.760
(<r2>)1/2 12.032