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

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-229.929651
Energy at 298.15K-229.942112
Nuclear repulsion energy194.978094
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 B3LYP/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 3575 3455 0.36      
2 A 3561 3442 0.32      
3 A 3489 3373 1.81      
4 A 3487 3371 0.24      
5 A 3095 2991 33.23      
6 A 3081 2978 34.11      
7 A 3061 2959 25.88      
8 A 3026 2924 42.66      
9 A 3019 2918 22.28      
10 A 2902 2805 79.83      
11 A 1657 1601 7.70      
12 A 1650 1594 48.71      
13 A 1503 1452 3.21      
14 A 1493 1443 5.88      
15 A 1479 1430 0.56      
16 A 1412 1365 6.98      
17 A 1408 1361 4.90      
18 A 1395 1348 5.31      
19 A 1373 1327 9.08      
20 A 1347 1302 7.64      
21 A 1264 1222 0.89      
22 A 1204 1164 3.42      
23 A 1161 1122 4.11      
24 A 1094 1057 15.52      
25 A 1050 1015 9.17      
26 A 1014 980 1.41      
27 A 948 916 7.42      
28 A 898 868 43.20      
29 A 874 844 92.20      
30 A 828 800 102.56      
31 A 780 754 94.41      
32 A 491 474 0.47      
33 A 470 454 18.48      
34 A 367 354 2.38      
35 A 343 331 44.35      
36 A 259 250 7.66      
37 A 235 227 26.00      
38 A 216 209 18.92      
39 A 120 116 3.87      

Unscaled Zero Point Vibrational Energy (zpe) 30311.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 29298.7 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 B3LYP/cc-pVTZ
ABC
0.26561 0.11619 0.08868

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.499 1.390 -0.217
H2 -0.278 1.932 0.142
H3 1.341 1.872 0.074
N4 -2.059 -0.131 0.032
H5 -2.160 0.750 -0.455
H6 -2.206 0.040 1.020
C7 -0.746 -0.722 -0.219
H8 -0.746 -1.734 0.193
H9 -0.627 -0.814 -1.301
C10 1.764 -0.689 -0.027
H11 1.758 -1.715 0.341
H12 1.893 -0.709 -1.111
H13 2.632 -0.187 0.405
C14 0.471 0.030 0.338
H15 0.379 0.035 1.437

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01311.01322.98592.74543.26572.45113.38772.70172.44063.39682.67342.72421.46842.1412
H21.01311.62152.72772.30162.84022.71903.69683.12183.32694.18213.64113.60912.05322.3893
H31.01321.62153.94623.71474.10253.34214.16843.60252.59753.62152.89322.45242.05402.4816
N42.98592.72773.94621.01191.01321.46112.07862.07213.86374.14394.15364.70572.55282.8186
H52.74542.30163.71471.01191.63722.05472.93142.34814.20174.69744.35724.95812.84063.2465
H63.26572.84024.10251.01321.63722.06072.44272.93424.17004.38804.67964.88192.76192.6184
C72.45112.71903.34211.46112.05472.06071.09321.09242.51772.75162.78533.47661.53512.1405
H83.38773.69684.16842.07862.93142.44271.09321.75852.72782.50813.11623.72142.14832.4383
H92.70173.12183.60252.07212.34812.93421.09241.75852.71193.03272.52873.73152.14583.0382
C102.44063.32692.59753.86374.20174.17002.51772.72782.71191.09091.09131.09201.52452.1418
H113.39684.18213.62154.14394.69744.38802.75162.50813.03271.09091.77191.76212.16912.4832
H122.67343.64112.89324.15364.35724.67962.78533.11622.52871.09131.77191.76592.16083.0557
H132.72423.60912.45244.70574.95814.88193.47663.72143.73151.09201.76211.76592.17322.4878
C141.46842.05322.05402.55282.84062.76191.53512.14832.14581.52452.16912.16082.17321.1028
H152.14122.38932.48162.81863.24652.61842.14052.43833.03822.14182.48323.05572.48781.1028

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 109.364 N1 C14 C10 109.253
N1 C14 H15 111.984 H2 N1 H3 106.308
H2 N1 C14 110.316 H3 N1 C14 110.380
N4 C7 H8 108.065 N4 C7 H9 107.604
N4 C7 C14 116.843 H5 N4 H6 107.890
H5 N4 C7 111.072 H6 N4 C7 111.499
C7 C14 C10 110.747 C7 C14 H15 107.339
H8 C7 H9 107.137 H8 C7 C14 108.475
H9 C7 C14 108.327 C10 C14 H15 108.145
H11 C10 H12 108.589 H11 C10 H13 107.654
H11 C10 C14 110.984 H12 C10 H13 107.965
H12 C10 C14 110.294 H13 C10 C14 111.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.329     -0.855
2 H 0.108     0.272
3 H 0.124     0.335
4 N -0.341     -0.927
5 H 0.133     0.355
6 H 0.124     0.321
7 C -0.066     0.364
8 H 0.086     -0.017
9 H 0.086     -0.003
10 C -0.298     -0.399
11 H 0.088     0.069
12 H 0.096     0.105
13 H 0.087     0.118
14 C 0.045     0.298
15 H 0.057     -0.036


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.847 0.986 1.579 2.045
CHELPG        
AIM        
ESP 0.849 0.975 1.543 2.013


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.950 -2.496 -0.777
y -2.496 -31.766 1.432
z -0.777 1.432 -33.807
Traceless
 xyz
x -3.163 -2.496 -0.777
y -2.496 3.112 1.432
z -0.777 1.432 0.051
Polar
3z2-r20.102
x2-y2-4.183
xy-2.496
xz-0.777
yz1.432


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.990 -0.205 -0.074
y -0.205 8.272 0.027
z -0.074 0.027 7.315


<r2> (average value of r2) Å2
<r2> 144.453
(<r2>)1/2 12.019