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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-228.213106
Energy at 298.15K-228.225902
Nuclear repulsion energy196.000906
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 HF/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 3909 3529 7.05      
2 A 3898 3520 10.39      
3 A 3791 3423 1.42      
4 A 3779 3412 6.29      
5 A 3269 2952 59.74      
6 A 3253 2937 20.39      
7 A 3247 2931 50.38      
8 A 3185 2876 38.43      
9 A 3136 2832 84.52      
10 A 3066 2769 105.30      
11 A 1844 1665 39.22      
12 A 1828 1650 55.57      
13 A 1664 1502 2.89      
14 A 1657 1496 4.81      
15 A 1648 1488 1.84      
16 A 1578 1425 8.17      
17 A 1568 1416 3.49      
18 A 1540 1391 25.54      
19 A 1521 1373 12.80      
20 A 1456 1315 8.85      
21 A 1390 1255 1.79      
22 A 1314 1186 11.04      
23 A 1281 1156 7.25      
24 A 1175 1061 31.68      
25 A 1145 1034 7.29      
26 A 1108 1001 3.65      
27 A 1040 939 3.52      
28 A 1000 902 9.36      
29 A 909 820 14.71      
30 A 775 700 256.90      
31 A 699 631 303.23      
32 A 546 493 22.56      
33 A 514 464 9.45      
34 A 412 372 17.02      
35 A 360 325 54.47      
36 A 290 261 2.91      
37 A 252 227 0.67      
38 A 220 199 21.44      
39 A 159 144 2.04      

Unscaled Zero Point Vibrational Energy (zpe) 32710.9 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 29534.7 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 HF/6-31G
ABC
0.27127 0.11696 0.09017

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.506 1.382 -0.197
H2 -0.381 1.836 -0.187
H3 1.254 1.959 0.119
N4 -1.975 -0.020 0.110
H5 -2.727 -0.090 -0.537
H6 -2.266 -0.130 1.056
C7 -0.735 -0.689 -0.260
H8 -0.716 -1.735 0.046
H9 -0.646 -0.660 -1.339
C10 1.774 -0.694 -0.016
H11 1.779 -1.706 0.376
H12 1.902 -0.732 -1.091
H13 2.630 -0.175 0.402
C14 0.476 0.030 0.333
H15 0.361 0.019 1.422

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N10.99640.99602.86673.56833.39752.41533.35652.60812.43973.38892.68622.70061.45242.1211
H20.99641.66792.46523.05522.99472.55073.59402.76183.32824.18673.55263.66822.06562.5380
H30.99601.66793.78764.52484.19953.33344.18663.54902.70693.71113.02052.55432.09072.5014
N42.86672.46523.78760.99430.99591.45642.12812.06773.81174.12374.12054.61712.46192.6798
H53.56833.05524.52480.99431.65922.09772.66252.30134.57124.87304.70525.43913.32103.6586
H63.39752.99474.19950.99591.65922.09502.44932.93974.21824.39414.72684.93992.84062.6570
C72.41532.55073.33341.45642.09772.09501.09001.08242.52172.78602.76503.46851.52862.1295
H83.35653.59404.18662.12812.66252.44931.09001.75402.69952.51663.02463.70892.14882.4760
H92.60812.76183.54902.06772.30132.93971.08241.75402.75873.14902.56073.74192.12863.0164
C102.43973.32822.70693.81174.57124.21822.52172.69952.75871.08511.08351.08501.52702.1385
H113.38894.18673.71114.12374.87304.39412.78602.51663.14901.08511.76541.75242.17102.4658
H122.68623.55263.02054.12054.70524.72682.76503.02462.56071.08351.76541.75282.15413.0418
H132.70063.66822.55434.61715.43914.93993.46853.70893.74191.08501.75241.75282.16472.4949
C141.45242.06562.09072.46193.32102.84061.52862.14882.12861.52702.17102.15412.16471.0952
H152.12112.53802.50142.67983.65862.65702.12952.47603.01642.13852.46583.04182.49491.0952

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 108.209 N1 C14 C10 109.920
N1 C14 H15 111.970 H2 N1 H3 113.677
H2 N1 C14 113.722 H3 N1 C14 116.027
N4 C7 H8 112.591 N4 C7 H9 108.158
N4 C7 C14 111.104 H5 N4 H6 112.955
H5 N4 C7 116.461 H6 N4 C7 116.097
C7 C14 C10 111.232 C7 C14 H15 107.354
H8 C7 H9 107.683 H8 C7 C14 109.142
H9 C7 C14 107.999 C10 C14 H15 108.154
H11 C10 H12 108.996 H11 C10 H13 107.706
H11 C10 C14 111.308 H12 C10 H13 107.864
H12 C10 C14 110.055 H13 C10 C14 110.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.857 -1.193    
2 H 0.349 0.407    
3 H 0.311 0.438    
4 N -0.880 -1.169    
5 H 0.329 0.425    
6 H 0.322 0.402    
7 C -0.074 0.509    
8 H 0.133 -0.099    
9 H 0.175 -0.015    
10 C -0.439 -0.479    
11 H 0.141 0.077    
12 H 0.165 0.111    
13 H 0.146 0.141    
14 C 0.055 0.478    
15 H 0.124 -0.034    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.891 -0.877 1.176 1.717
CHELPG -0.870 -0.819 1.175 1.676
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 7.066 -0.115 0.106
y -0.115 6.189 -0.116
z 0.106 -0.116 5.744


<r2> (average value of r2) Å2
<r2> 142.963
(<r2>)1/2 11.957