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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-229.719072
Energy at 298.15K-229.731422
Nuclear repulsion energy192.954854
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/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 3448 3422 1.84      
2 A 3435 3408 2.34      
3 A 3357 3332 10.83      
4 A 3355 3329 2.66      
5 A 3043 3020 34.09      
6 A 3026 3003 35.57      
7 A 3005 2982 28.72      
8 A 2965 2942 36.87      
9 A 2956 2933 30.60      
10 A 2814 2793 92.50      
11 A 1625 1612 1.43      
12 A 1614 1602 43.75      
13 A 1479 1468 1.77      
14 A 1468 1457 2.99      
15 A 1450 1438 0.24      
16 A 1383 1372 7.35      
17 A 1374 1363 0.55      
18 A 1366 1356 4.04      
19 A 1342 1331 13.46      
20 A 1313 1303 15.41      
21 A 1238 1228 1.21      
22 A 1176 1167 4.35      
23 A 1125 1116 2.52      
24 A 1061 1052 7.91      
25 A 1026 1018 9.51      
26 A 986 979 1.36      
27 A 926 919 20.74      
28 A 888 882 81.58      
29 A 865 859 85.72      
30 A 815 809 96.00      
31 A 768 763 44.26      
32 A 477 473 2.45      
33 A 460 457 22.25      
34 A 360 357 47.70      
35 A 356 353 1.48      
36 A 252 250 9.86      
37 A 244 242 42.06      
38 A 218 216 12.67      
39 A 115 114 4.69      

Unscaled Zero Point Vibrational Energy (zpe) 29586.0 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 29358.2 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 BLYP/6-31G**
ABC
0.26082 0.11372 0.08691

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.492 1.403 -0.228
H2 -0.310 1.922 0.149
H3 1.321 1.902 0.118
N4 -2.083 -0.138 0.028
H5 -2.147 0.761 -0.462
H6 -2.198 0.068 1.029
C7 -0.753 -0.736 -0.214
H8 -0.754 -1.753 0.218
H9 -0.633 -0.843 -1.305
C10 1.790 -0.685 -0.032
H11 1.792 -1.722 0.340
H12 1.916 -0.704 -1.126
H13 2.665 -0.173 0.402
C14 0.479 0.031 0.343
H15 0.391 0.032 1.456

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02761.02743.01212.72613.25602.47453.42182.73272.46613.43202.69672.75711.48582.1740
H21.02761.63062.72152.25812.78932.71953.70283.14123.35274.21173.67163.64742.05822.4027
H31.02741.63063.96933.69624.07143.37144.20363.65732.63363.66152.94852.48882.06382.4800
N43.01212.72153.96931.02641.02791.47882.10042.09253.91184.19834.20124.76302.58662.8619
H52.72612.25813.69621.02641.64532.06102.95372.36104.21604.72534.37014.97742.84173.2642
H63.25602.78934.07141.02791.64532.06892.46202.95434.19494.42754.70874.90942.76382.6250
C72.47452.71953.37141.47882.06102.06891.10461.10352.54922.78482.82083.51781.55362.1646
H83.42183.70284.20362.10042.95372.46201.10461.77842.76952.54893.16783.77042.17192.4557
H92.73273.14123.65732.09252.36102.95431.10351.77842.74163.06012.55953.77372.17173.0724
C102.46613.35272.63363.91184.21604.19492.54922.76952.74161.10181.10181.10311.54032.1640
H113.43204.21173.66154.19834.72534.42752.78482.54893.06011.10181.78981.77912.19082.5067
H122.69673.67162.94854.20124.37014.70872.82083.16782.55951.10181.78981.78272.18303.0878
H132.75713.64742.48884.76304.97744.90943.51783.77043.77371.10311.77911.78272.19662.5142
C141.48582.05822.06382.58662.84172.76381.55362.17192.17171.54032.19082.18302.19661.1165
H152.17402.40272.48002.86193.26422.62502.16462.45573.07242.16402.50673.08782.51421.1165

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 108.983 N1 C14 C10 109.149
N1 C14 H15 112.544 H2 N1 H3 105.031
H2 N1 C14 108.574 H3 N1 C14 109.045
N4 C7 H8 107.909 N4 C7 H9 107.360
N4 C7 C14 117.055 H5 N4 H6 106.432
H5 N4 C7 109.379 H6 N4 C7 109.943
C7 C14 C10 110.961 C7 C14 H15 107.187
H8 C7 H9 107.295 H8 C7 C14 108.393
H9 C7 C14 108.442 C10 C14 H15 108.020
H11 C10 H12 108.625 H11 C10 H13 107.590
H11 C10 C14 110.946 H12 C10 H13 107.902
H12 C10 C14 110.330 H13 C10 C14 111.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.554      
2 H 0.203      
3 H 0.218      
4 N -0.561      
5 H 0.225      
6 H 0.214      
7 C -0.021      
8 H 0.080      
9 H 0.094      
10 C -0.279      
11 H 0.089      
12 H 0.105      
13 H 0.080      
14 C 0.065      
15 H 0.041      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.903 1.096 1.656 2.182
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> 146.586
(<r2>)1/2 12.107