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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-229.543596
Energy at 298.15K-229.556187
HF Energy-229.305684
Nuclear repulsion energy195.026912
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 B2PLYP/6-31G*
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 3591 3409 0.04      
2 A 3578 3396 0.48      
3 A 3493 3316 2.38      
4 A 3491 3313 0.79      
5 A 3163 3002 30.37      
6 A 3146 2986 32.57      
7 A 3131 2972 26.35      
8 A 3080 2924 43.35      
9 A 3075 2918 15.82      
10 A 2953 2803 83.69      
11 A 1717 1629 4.40      
12 A 1706 1619 57.53      
13 A 1552 1473 2.75      
14 A 1541 1463 4.27      
15 A 1525 1448 0.45      
16 A 1458 1384 4.96      
17 A 1448 1375 6.89      
18 A 1432 1359 7.36      
19 A 1410 1338 8.72      
20 A 1376 1306 12.54      
21 A 1294 1228 1.04      
22 A 1239 1176 5.26      
23 A 1191 1131 4.91      
24 A 1129 1072 8.70      
25 A 1074 1020 13.10      
26 A 1044 991 1.87      
27 A 981 931 17.94      
28 A 941 893 127.34      
29 A 914 867 86.04      
30 A 869 825 82.85      
31 A 817 776 49.00      
32 A 500 475 3.02      
33 A 480 456 22.69      
34 A 375 356 35.33      
35 A 372 353 22.37      
36 A 263 249 7.30      
37 A 254 241 38.46      
38 A 230 218 24.10      
39 A 122 116 6.26      

Unscaled Zero Point Vibrational Energy (zpe) 30975.7 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 29402.1 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 B2PLYP/6-31G*
ABC
0.26635 0.11660 0.08905

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.593 1.392 -0.223
H2 -0.195 1.957 0.085
H3 1.415 1.842 0.174
N4 -2.104 -0.107 0.034
H5 -2.176 0.826 -0.363
H6 -2.237 -0.016 1.040
C7 -0.772 -0.685 -0.237
H8 -0.782 -1.703 0.162
H9 -0.658 -0.752 -1.322
C10 1.744 -0.744 -0.021
H11 1.692 -1.762 0.372
H12 1.856 -0.789 -1.106
H13 2.632 -0.260 0.397
C14 0.471 0.031 0.334
H15 0.375 0.047 1.431

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01711.01833.09602.82903.40362.48493.40792.71512.43483.39302.67022.69691.47552.1433
H21.01711.61672.81152.32402.99532.72263.70663.08773.32624.18023.62793.60632.05252.4051
H31.01831.61674.02523.77014.18793.36704.17023.64292.61393.62032.95872.43942.04872.4256
N43.09602.81154.02521.01631.01881.47722.07632.08463.90114.15534.17704.75262.59592.8501
H52.82902.32403.77011.01631.63742.06592.93462.39024.23634.71154.40594.98712.84963.2145
H63.40362.99534.18791.01881.63742.05532.39412.93474.18374.35104.68544.91742.79852.6419
C72.48492.72263.36701.47722.06592.05531.09351.09282.52622.75762.76983.48851.54352.1529
H83.40793.70664.17022.07632.93462.39411.09351.76642.70812.48363.06623.71352.14562.4516
H92.71513.08773.64292.08462.39022.93471.09281.76642.73263.06862.52403.74492.15203.0477
C102.43483.32622.61393.90114.23634.18372.52622.70812.73261.09291.09211.09361.53222.1465
H113.39304.18023.62034.15534.71154.35102.75762.48363.06861.09291.77781.77202.17002.4756
H122.67023.62792.95874.17704.40594.68542.76983.06622.52401.09211.77781.77172.15963.0543
H132.69693.60632.43944.75264.98714.91743.48853.71353.74491.09361.77201.77172.18192.5018
C141.47552.05252.04872.59592.84962.79851.54352.14562.15201.53222.17002.15962.18191.1017
H152.14332.40512.42562.85013.21452.64192.15292.45163.04772.14652.47563.05432.50181.1017

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 110.764 N1 C14 C10 108.080
N1 C14 H15 111.708 H2 N1 H3 105.182
H2 N1 C14 109.486 H3 N1 C14 109.092
N4 C7 H8 106.792 N4 C7 H9 107.466
N4 C7 C14 118.474 H5 N4 H6 107.145
H5 N4 C7 110.529 H6 N4 C7 109.487
C7 C14 C10 110.435 C7 C14 H15 107.784
H8 C7 H9 107.795 H8 C7 C14 107.686
H9 C7 C14 108.211 C10 C14 H15 108.045
H11 C10 H12 108.905 H11 C10 H13 108.272
H11 C10 C14 110.388 H12 C10 H13 108.307
H12 C10 C14 109.613 H13 C10 C14 111.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.771      
2 H 0.300      
3 H 0.312      
4 N -0.772      
5 H 0.317      
6 H 0.303      
7 C -0.116      
8 H 0.145      
9 H 0.159      
10 C -0.467      
11 H 0.153      
12 H 0.167      
13 H 0.145      
14 C 0.014      
15 H 0.110      


Electric dipole moments


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 7.486 -0.230 -0.126
y -0.230 6.970 -0.091
z -0.126 -0.091 6.089


<r2> (average value of r2) Å2
<r2> 143.772
(<r2>)1/2 11.990