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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-229.572003
Energy at 298.15K-229.584375
Nuclear repulsion energy194.251840
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 3479 3443 1.21      
2 A 3461 3425 1.54      
3 A 3388 3353 8.85      
4 A 3386 3350 5.47      
5 A 3044 3013 34.29      
6 A 3028 2997 37.32      
7 A 3005 2974 30.92      
8 A 2964 2933 42.97      
9 A 2956 2925 31.19      
10 A 2819 2790 98.15      
11 A 1666 1648 6.86      
12 A 1654 1637 67.91      
13 A 1471 1455 5.18      
14 A 1457 1442 7.00      
15 A 1432 1417 1.34      
16 A 1375 1360 5.18      
17 A 1370 1355 2.54      
18 A 1362 1348 10.11      
19 A 1334 1320 11.66      
20 A 1304 1290 7.14      
21 A 1239 1226 1.74      
22 A 1181 1169 3.66      
23 A 1137 1125 2.97      
24 A 1089 1078 9.50      
25 A 1029 1018 13.00      
26 A 1000 990 0.87      
27 A 937 927 18.07      
28 A 890 881 93.35      
29 A 864 855 91.25      
30 A 819 810 94.72      
31 A 777 769 71.60      
32 A 482 477 4.88      
33 A 459 454 23.06      
34 A 371 367 54.37      
35 A 356 352 0.94      
36 A 249 247 3.38      
37 A 234 232 34.30      
38 A 214 212 30.62      
39 A 118 116 7.76      

Unscaled Zero Point Vibrational Energy (zpe) 29698.5 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 29389.7 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 PBEPBE/6-311G*
ABC
0.26466 0.11574 0.08842

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 0.473 1.390 -0.222
H2 -0.309 1.915 0.181
H3 1.320 1.885 0.074
N4 -2.062 -0.136 0.018
H5 -2.132 0.743 -0.499
H6 -2.202 0.079 1.010
C7 -0.743 -0.738 -0.197
H8 -0.750 -1.750 0.245
H9 -0.612 -0.863 -1.286
C10 1.777 -0.672 -0.039
H11 1.784 -1.716 0.312
H12 1.898 -0.670 -1.134
H13 2.656 -0.170 0.399
C14 0.478 0.032 0.347
H15 0.399 0.037 1.461

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02461.02432.96872.69873.22412.45133.40252.71782.44683.41352.66552.75391.47312.1618
H21.02461.63222.70332.27182.76472.71513.69253.15663.33064.19313.64443.63102.04782.3814
H31.02431.63223.93963.68064.06693.34774.18643.62382.59993.63832.88442.47242.05362.4874
N42.96872.70333.93961.02301.02441.46522.09182.08123.87604.16754.15804.73272.56582.8582
H52.69872.27183.68061.02301.65012.05292.94632.34764.18284.69474.31754.95622.83433.2791
H63.22412.76474.06691.02441.65012.06262.45792.94764.18304.42704.68694.90262.76102.6411
C72.45132.71513.34771.46522.05292.06261.10461.10372.52582.75702.80293.49711.54242.1580
H83.40253.69254.18642.09182.94632.45791.10461.77462.76182.53493.17473.75762.16632.4482
H92.71783.15663.62382.08122.34762.94761.10371.77462.70163.00332.52183.74122.15753.0627
C102.44683.33062.59993.87604.18284.18302.52582.76182.70161.10121.10171.10271.52722.1561
H113.41354.19313.63834.16754.69474.42702.75702.53493.00331.10121.78801.77712.18222.5116
H122.66553.64442.88444.15804.31754.68692.80293.17472.52181.10171.78801.78132.16863.0786
H132.75393.63102.47244.73274.95624.90263.49713.75763.74121.10271.77711.78132.18812.5023
C141.47312.04782.05362.56582.83432.76101.54242.16632.15751.52722.18222.16862.18811.1169
H152.16182.38142.48742.85823.27912.64112.15802.44823.06272.15612.51163.07862.50231.1169

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 108.743 N1 C14 C10 109.264
N1 C14 H15 112.436 H2 N1 H3 105.620
H2 N1 C14 108.820 H3 N1 C14 109.316
N4 C7 H8 108.161 N4 C7 H9 107.389
N4 C7 C14 117.082 H5 N4 H6 107.411
H5 N4 C7 109.917 H6 N4 C7 110.644
C7 C14 C10 110.740 C7 C14 H15 107.399
H8 C7 H9 106.955 H8 C7 C14 108.719
H9 C7 C14 108.103 C10 C14 H15 108.258
H11 C10 H12 108.516 H11 C10 H13 107.476
H11 C10 C14 111.210 H12 C10 H13 107.817
H12 C10 C14 110.099 H13 C10 C14 111.590
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 -0.722      
2 H 0.292      
3 H 0.315      
4 N -0.711      
5 H 0.309      
6 H 0.300      
7 C -0.260      
8 H 0.208      
9 H 0.215      
10 C -0.634      
11 H 0.214      
12 H 0.222      
13 H 0.209      
14 C -0.127      
15 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.936 1.205 1.740 2.314
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.257 -2.698 -0.913
y -2.698 -31.667 1.637
z -0.913 1.637 -33.987
Traceless
 xyz
x -3.431 -2.698 -0.913
y -2.698 3.456 1.637
z -0.913 1.637 -0.025
Polar
3z2-r2-0.050
x2-y2-4.591
xy-2.698
xz-0.913
yz1.637


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.734 -0.219 -0.073
y -0.219 8.019 0.012
z -0.073 0.012 7.025


<r2> (average value of r2) Å2
<r2> 144.993
(<r2>)1/2 12.041