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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-229.791218
Energy at 298.15K-229.803754
Nuclear repulsion energy195.617491
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 mPW1PW91/6-31G**
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 3642 3466 0.23      
2 A 3628 3452 0.33      
3 A 3542 3370 1.72      
4 A 3540 3369 0.68      
5 A 3159 3006 25.83      
6 A 3144 2992 30.28      
7 A 3119 2968 27.65      
8 A 3068 2919 39.50      
9 A 3062 2914 22.06      
10 A 2937 2794 86.16      
11 A 1676 1595 3.26      
12 A 1665 1585 61.83      
13 A 1518 1444 2.62      
14 A 1506 1433 5.27      
15 A 1490 1418 0.65      
16 A 1436 1366 2.44      
17 A 1421 1352 16.77      
18 A 1409 1340 4.37      
19 A 1389 1322 8.51      
20 A 1352 1286 9.29      
21 A 1276 1214 1.06      
22 A 1217 1158 4.72      
23 A 1189 1132 5.95      
24 A 1139 1084 12.84      
25 A 1060 1008 12.11      
26 A 1035 985 1.15      
27 A 969 922 8.24      
28 A 911 867 80.11      
29 A 890 847 84.58      
30 A 845 804 95.61      
31 A 803 764 98.17      
32 A 498 474 2.50      
33 A 472 449 24.38      
34 A 372 353 53.89      
35 A 368 351 3.37      
36 A 259 246 7.73      
37 A 246 234 33.60      
38 A 225 214 27.99      
39 A 122 116 6.19      

Unscaled Zero Point Vibrational Energy (zpe) 30800.1 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 29306.3 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 mPW1PW91/6-31G**
ABC
0.26784 0.11739 0.08962

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.474 1.382 -0.219
H2 -0.310 1.906 0.154
H3 1.307 1.878 0.077
N4 -2.045 -0.135 0.024
H5 -2.125 0.737 -0.485
H6 -2.185 0.068 1.008
C7 -0.739 -0.732 -0.204
H8 -0.740 -1.739 0.230
H9 -0.611 -0.849 -1.285
C10 1.766 -0.671 -0.035
H11 1.771 -1.702 0.328
H12 1.883 -0.682 -1.122
H13 2.636 -0.163 0.393
C14 0.471 0.034 0.342
H15 0.390 0.035 1.447

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01431.01432.95062.69123.20912.43743.37852.69952.43213.38982.65742.72691.46042.1436
H21.01431.61992.68242.25152.76072.69683.67133.12253.31444.16903.62473.60822.03782.3797
H31.01431.61993.91113.66094.04183.32874.15893.60122.59163.61802.88492.45562.04222.4721
N42.95062.68243.91111.01321.01441.45362.07802.06873.84864.13654.12844.69542.54192.8259
H52.69122.25153.66091.01321.63692.03942.92612.33444.16224.66824.29994.92432.81443.2486
H63.20912.76074.04181.01441.63692.04842.44082.92824.15184.38664.65254.86472.73792.6122
C72.43742.69683.32871.45362.03942.04841.09621.09532.51142.74332.77933.47421.53292.1422
H83.37853.67134.15892.07802.92612.44081.09621.76182.73672.51333.13463.72872.14982.4305
H92.69953.12253.60122.06872.33442.92821.09531.76182.69073.00022.50463.71792.14413.0408
C102.43213.31442.59163.84864.16224.15182.51142.73672.69071.09311.09351.09431.52142.1416
H113.38984.16903.61804.13654.66824.38662.74332.51333.00021.09311.77611.76572.16852.4854
H122.65743.62472.88494.12844.29994.65252.77933.13462.50461.09351.77611.76952.15683.0568
H132.72693.60822.45564.69544.92434.86473.47423.72873.71791.09431.76571.76952.17412.4883
C141.46042.03782.04222.54192.81442.73791.53292.14982.14411.52142.16852.15682.17411.1074
H152.14362.37972.47212.82593.24862.61222.14222.43053.04082.14162.48543.05682.48831.1074

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 109.011 N1 C14 C10 109.287
N1 C14 H15 112.467 H2 N1 H3 105.982
H2 N1 C14 109.542 H3 N1 C14 109.911
N4 C7 H8 108.353 N4 C7 H9 107.682
N4 C7 C14 116.651 H5 N4 H6 107.671
H5 N4 C7 110.253 H6 N4 C7 110.943
C7 C14 C10 110.625 C7 C14 H15 107.362
H8 C7 H9 107.015 H8 C7 C14 108.569
H9 C7 C14 108.179 C10 C14 H15 108.080
H11 C10 H12 108.636 H11 C10 H13 107.649
H11 C10 C14 111.016 H12 C10 H13 107.965
H12 C10 C14 110.067 H13 C10 C14 111.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.631      
2 H 0.242      
3 H 0.256      
4 N -0.643      
5 H 0.261      
6 H 0.250      
7 C -0.086      
8 H 0.124      
9 H 0.138      
10 C -0.390      
11 H 0.131      
12 H 0.145      
13 H 0.122      
14 C -0.012      
15 H 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.967 1.174 1.701 2.282
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> 142.704
(<r2>)1/2 11.946