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

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-229.591998
Energy at 298.15K-229.604344
Nuclear repulsion energy194.209364
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 PBEPBE/6-311G**
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 3487 3455 0.10      
2 A 3472 3440 0.56      
3 A 3397 3366 3.24      
4 A 3395 3364 4.34      
5 A 3045 3017 28.93      
6 A 3031 3004 32.52      
7 A 3002 2975 28.74      
8 A 2964 2937 35.27      
9 A 2954 2927 31.54      
10 A 2820 2794 90.14      
11 A 1609 1594 1.71      
12 A 1598 1584 59.81      
13 A 1452 1438 4.16      
14 A 1439 1426 6.69      
15 A 1420 1407 0.93      
16 A 1361 1349 3.36      
17 A 1354 1341 9.21      
18 A 1348 1336 5.47      
19 A 1324 1312 11.73      
20 A 1293 1282 6.67      
21 A 1228 1217 1.49      
22 A 1167 1156 2.84      
23 A 1132 1121 3.21      
24 A 1083 1073 10.89      
25 A 1020 1011 10.36      
26 A 994 985 0.79      
27 A 928 920 11.60      
28 A 878 870 69.62      
29 A 854 847 74.36      
30 A 808 800 98.27      
31 A 767 760 86.16      
32 A 480 475 2.16      
33 A 457 453 21.51      
34 A 359 356 38.57      
35 A 353 350 11.14      
36 A 249 247 4.32      
37 A 233 231 38.51      
38 A 217 215 18.74      
39 A 115 114 6.17      

Unscaled Zero Point Vibrational Energy (zpe) 29541.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 29273.0 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 PBEPBE/6-311G**
ABC
0.26450 0.11560 0.08835

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.479 1.391 -0.223
H2 -0.322 1.909 0.150
H3 1.309 1.895 0.103
N4 -2.063 -0.138 0.025
H5 -2.138 0.748 -0.481
H6 -2.195 0.067 1.019
C7 -0.744 -0.735 -0.206
H8 -0.744 -1.751 0.225
H9 -0.614 -0.845 -1.297
C10 1.778 -0.674 -0.035
H11 1.783 -1.716 0.322
H12 1.899 -0.675 -1.130
H13 2.653 -0.167 0.403
C14 0.476 0.031 0.345
H15 0.391 0.032 1.458

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02451.02392.97642.70743.23242.45263.40172.71072.44683.41292.66592.74621.47332.1631
H21.02451.63162.68982.24582.76722.70103.68553.12473.33434.19513.64013.63602.04952.3961
H31.02391.63163.93753.67934.05693.35024.18613.62812.61503.64802.91062.47872.05512.4792
N42.97642.68983.93751.02291.02421.46612.09352.08433.87844.16734.16154.73072.56472.8470
H52.70742.24583.67931.02291.64842.05442.94822.35134.19054.70024.33024.95702.83413.2665
H63.23242.76724.05691.02421.64842.06212.45842.94894.17714.41494.68354.89272.75572.6238
C72.45262.70103.35021.46612.05442.06211.10431.10362.52842.76132.80043.49731.54272.1555
H83.40173.68554.18612.09352.94822.45841.10431.77622.75482.52893.15943.75262.16382.4473
H92.71073.12473.62812.08432.35132.94891.10361.77622.70993.02042.52473.74462.15703.0607
C102.44683.33432.61503.87844.19054.17712.52842.75482.70991.10111.10161.10211.52862.1564
H113.41294.19513.64804.16734.70024.41492.76132.52893.02041.10111.79001.77882.18182.5064
H122.66593.64012.91064.16154.33024.68352.80043.15942.52471.10161.79001.78212.16773.0773
H132.74623.63602.47874.73074.95704.89273.49733.75263.74461.10211.77881.78212.18622.5032
C141.47332.04952.05512.56472.83412.75571.54272.16382.15701.52862.18182.16772.18621.1161
H152.16312.39612.47922.84703.26652.62382.15552.44733.06072.15642.50643.07732.50321.1161

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 108.793 N1 C14 C10 109.177
N1 C14 H15 112.577 H2 N1 H3 105.598
H2 N1 C14 108.949 H3 N1 C14 109.439
N4 C7 H8 108.251 N4 C7 H9 107.573
N4 C7 C14 116.929 H5 N4 H6 107.259
H5 N4 C7 109.979 H6 N4 C7 110.545
C7 C14 C10 110.818 C7 C14 H15 107.241
H8 C7 H9 107.117 H8 C7 C14 108.529
H9 C7 C14 108.042 C10 C14 H15 108.235
H11 C10 H12 108.709 H11 C10 H13 107.681
H11 C10 C14 111.091 H12 C10 H13 107.932
H12 C10 C14 109.945 H13 C10 C14 111.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.427      
2 H 0.166      
3 H 0.192      
4 N -0.445      
5 H 0.192      
6 H 0.183      
7 C -0.103      
8 H 0.121      
9 H 0.127      
10 C -0.313      
11 H 0.117      
12 H 0.126      
13 H 0.114      
14 C -0.150      
15 H 0.100      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.829 1.108 1.635 2.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.965 -2.602 -0.770
y -2.602 -31.603 1.552
z -0.770 1.552 -33.868
Traceless
 xyz
x -3.229 -2.602 -0.770
y -2.602 3.313 1.552
z -0.770 1.552 -0.084
Polar
3z2-r2-0.169
x2-y2-4.361
xy-2.602
xz-0.770
yz1.552


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.907 -0.221 -0.064
y -0.221 8.165 0.021
z -0.064 0.021 7.140


<r2> (average value of r2) Å2
<r2> 144.962
(<r2>)1/2 12.040