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

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-229.805462
Energy at 298.15K 
Nuclear repulsion energy193.310282
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/cc-pVTZ
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 3456 3445 0.11      
2 A 3441 3430 0.42      
3 A 3372 3362 6.65      
4 A 3370 3360 0.59      
5 A 3019 3010 34.84      
6 A 3005 2996 35.64      
7 A 2985 2976 26.54      
8 A 2954 2945 39.62      
9 A 2944 2936 29.05      
10 A 2821 2812 82.96      
11 A 1615 1610 5.42      
12 A 1608 1603 42.71      
13 A 1467 1463 3.31      
14 A 1457 1453 4.77      
15 A 1440 1436 0.58      
16 A 1373 1369 8.74      
17 A 1361 1357 0.31      
18 A 1356 1352 2.74      
19 A 1330 1326 10.99      
20 A 1309 1305 9.07      
21 A 1231 1227 0.98      
22 A 1170 1167 2.90      
23 A 1115 1112 2.10      
24 A 1045 1042 11.63      
25 A 1020 1017 7.97      
26 A 979 976 1.50      
27 A 915 912 14.76      
28 A 876 873 42.97      
29 A 850 848 93.92      
30 A 800 798 109.75      
31 A 755 753 65.31      
32 A 474 473 0.47      
33 A 458 457 18.40      
34 A 355 354 2.45      
35 A 335 334 41.08      
36 A 250 250 7.25      
37 A 228 227 28.93      
38 A 209 208 14.88      
39 A 114 113 3.70      

Unscaled Zero Point Vibrational Energy (zpe) 29429.9 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 29341.6 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/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.508 1.402 -0.222
H2 -0.275 1.944 0.148
H3 1.352 1.886 0.091
N4 -2.082 -0.133 0.033
H5 -2.173 0.762 -0.449
H6 -2.218 0.043 1.030
C7 -0.754 -0.725 -0.222
H8 -0.755 -1.744 0.191
H9 -0.637 -0.813 -1.311
C10 1.779 -0.697 -0.027
H11 1.768 -1.732 0.338
H12 1.913 -0.712 -1.117
H13 2.651 -0.197 0.414
C14 0.476 0.029 0.341
H15 0.383 0.033 1.446

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02201.02193.02112.76583.29342.47293.41492.72132.46173.42362.69142.74921.48412.1617
H21.02201.62962.75482.31402.85762.73653.71923.14063.35074.20983.66663.63652.06632.4024
H31.02191.62963.98353.73914.12603.36854.19793.63422.62053.64942.91902.47642.06792.4918
N43.02112.75483.98351.02061.02201.47612.09312.08683.90214.17984.19684.74902.58162.8460
H52.76582.31403.73911.02061.64532.06832.94992.36334.23404.73014.39504.99442.86033.2646
H63.29342.85764.12601.02201.64532.07422.45752.95194.20034.41804.71644.91432.78132.6342
C72.47292.73653.36851.47612.06832.07421.09951.09872.54032.77262.81273.50411.54852.1562
H83.41493.71924.19792.09312.94992.45751.09951.77052.75002.52723.14483.74752.16372.4550
H92.72133.14063.63422.08682.36332.95191.09871.77052.73853.05772.55963.76462.16283.0592
C102.46173.35072.62053.90214.23404.20032.54032.75002.73851.09721.09751.09831.53612.1570
H113.42364.20983.64944.17984.73014.41802.77262.52723.05771.09721.78231.77192.18372.5018
H122.69143.66662.91904.19684.39504.71642.81273.14482.55961.09751.78231.77602.17633.0762
H132.74923.63652.47644.74904.99444.91433.50413.74753.76461.09831.77191.77602.18822.5027
C141.48412.06632.06792.58162.86032.78131.54852.16372.16281.53612.18372.17632.18821.1095
H152.16172.40242.49182.84603.26462.63422.15622.45503.05922.15702.50183.07622.50271.1095

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 109.241 N1 C14 C10 109.178
N1 C14 H15 112.113 H2 N1 H3 105.750
H2 N1 C14 109.697 H3 N1 C14 109.839
N4 C7 H8 107.821 N4 C7 H9 107.383
N4 C7 C14 117.171 H5 N4 H6 107.316
H5 N4 C7 110.549 H6 N4 C7 110.955
C7 C14 C10 110.878 C7 C14 H15 107.272
H8 C7 H9 107.305 H8 C7 C14 108.391
H9 C7 C14 108.376 C10 C14 H15 108.157
H11 C10 H12 108.607 H11 C10 H13 107.617
H11 C10 C14 110.951 H12 C10 H13 107.964
H12 C10 C14 110.349 H13 C10 C14 111.239
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.308      
2 H 0.098      
3 H 0.116      
4 N -0.317      
5 H 0.125      
6 H 0.117      
7 C -0.056      
8 H 0.076      
9 H 0.075      
10 C -0.275      
11 H 0.079      
12 H 0.087      
13 H 0.077      
14 C 0.065      
15 H 0.042      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.822 0.958 1.562 2.008
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> 146.910
(<r2>)1/2 12.121