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

using model chemistry: B3LYP/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 B3LYP/6-31G**
 hartrees
Energy at 0K-229.848991
Energy at 298.15K-229.861497
Nuclear repulsion energy194.619891
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/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 3579 3439 0.11      
2 A 3567 3427 0.60      
3 A 3487 3350 3.37      
4 A 3484 3347 1.30      
5 A 3123 3000 31.96      
6 A 3107 2985 33.97      
7 A 3086 2965 28.06      
8 A 3042 2922 40.44      
9 A 3035 2916 23.26      
10 A 2904 2790 88.19      
11 A 1669 1603 3.48      
12 A 1659 1594 52.57      
13 A 1516 1457 1.98      
14 A 1505 1446 3.93      
15 A 1489 1431 0.31      
16 A 1426 1371 4.45      
17 A 1418 1363 7.71      
18 A 1405 1350 6.68      
19 A 1383 1329 9.76      
20 A 1351 1298 12.67      
21 A 1270 1220 1.02      
22 A 1211 1163 4.83      
23 A 1169 1124 4.16      
24 A 1108 1064 10.87      
25 A 1055 1013 11.21      
26 A 1021 981 1.23      
27 A 956 919 11.66      
28 A 909 873 75.85      
29 A 887 852 95.19      
30 A 840 807 101.28      
31 A 795 764 71.28      
32 A 493 474 1.90      
33 A 472 454 22.71      
34 A 368 353 6.28      
35 A 367 352 47.72      
36 A 260 250 8.93      
37 A 248 238 39.58      
38 A 224 216 18.17      
39 A 120 115 5.14      

Unscaled Zero Point Vibrational Energy (zpe) 30502.6 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 29306.9 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/6-31G**
ABC
0.26510 0.11591 0.08850

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.484 1.390 -0.221
H2 -0.305 1.916 0.147
H3 1.317 1.885 0.091
N4 -2.060 -0.135 0.027
H5 -2.139 0.747 -0.471
H6 -2.193 0.063 1.017
C7 -0.745 -0.732 -0.210
H8 -0.746 -1.742 0.219
H9 -0.623 -0.842 -1.294
C10 1.774 -0.679 -0.032
H11 1.778 -1.709 0.338
H12 1.897 -0.698 -1.120
H13 2.644 -0.168 0.396
C14 0.473 0.032 0.341
H15 0.388 0.034 1.446

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01761.01772.97742.71253.23462.45323.39432.71282.44553.40482.67652.73411.47012.1517
H21.01761.62332.70232.26082.78442.70823.68533.12803.32984.18523.64513.61992.04742.3892
H31.01771.62333.93613.68164.06163.34614.17523.62202.60753.63212.91152.46422.05162.4751
N42.97742.70233.93611.01671.01811.46342.08472.07653.87334.16034.15824.71912.55832.8352
H52.71252.26083.68161.01671.63892.04912.93502.34564.18794.69394.33544.94662.82743.2515
H63.23462.78444.06161.01811.63892.05732.44692.93684.16994.40114.67654.88212.75042.6167
C72.45322.70823.34611.46342.04912.05731.09751.09642.52662.76122.79473.48941.54052.1487
H83.39433.68534.17522.08472.93502.44691.09751.76532.74722.52763.14163.74222.15632.4389
H92.71283.12803.62202.07652.34562.93681.09641.76532.71363.03002.52943.73952.15373.0496
C102.44553.32982.60753.87334.18794.16992.52662.74722.71361.09481.09491.09601.52892.1484
H113.40484.18523.63214.16034.69394.40112.76122.52763.03001.09481.77851.76822.17592.4897
H122.67653.64512.91154.15824.33544.67652.79473.14162.52941.09491.77851.77172.16673.0657
H132.73413.61992.46424.71914.94664.88213.48943.74223.73951.09601.76821.77172.18102.4966
C141.47012.04742.05162.55832.82742.75041.54052.15632.15371.52892.17592.16672.18101.1086
H152.15172.38922.47512.83523.25152.61672.14872.43893.04962.14842.48973.06572.49661.1086

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 109.122 N1 C14 C10 109.243
N1 C14 H15 112.350 H2 N1 H3 105.791
H2 N1 C14 109.421 H3 N1 C14 109.769
N4 C7 H8 108.142 N4 C7 H9 107.568
N4 C7 C14 116.764 H5 N4 H6 107.312
H5 N4 C7 110.127 H6 N4 C7 110.733
C7 C14 C10 110.803 C7 C14 H15 107.288
H8 C7 H9 107.151 H8 C7 C14 108.486
H9 C7 C14 108.346 C10 C14 H15 108.030
H11 C10 H12 108.624 H11 C10 H13 107.633
H11 C10 C14 110.978 H12 C10 H13 107.936
H12 C10 C14 110.241 H13 C10 C14 111.316
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.596      
2 H 0.220      
3 H 0.234      
4 N -0.605      
5 H 0.240      
6 H 0.230      
7 C -0.031      
8 H 0.093      
9 H 0.108      
10 C -0.313      
11 H 0.102      
12 H 0.118      
13 H 0.093      
14 C 0.048      
15 H 0.057      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.938 1.135 1.680 2.234
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 7.779 -0.237 -0.113
y -0.237 7.206 -0.074
z -0.113 -0.074 6.256


<r2> (average value of r2) Å2
<r2> 144.301
(<r2>)1/2 12.013