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

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-229.533239
Energy at 298.15K-229.545601
Nuclear repulsion energy193.921746
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/cc-pVDZ
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 3445 3425 0.47      
2 A 3436 3416 0.84      
3 A 3360 3341 6.98      
4 A 3356 3336 4.03      
5 A 3057 3039 22.82      
6 A 3042 3024 27.92      
7 A 3005 2988 28.60      
8 A 2965 2947 31.53      
9 A 2951 2934 33.95      
10 A 2810 2793 95.12      
11 A 1592 1583 0.68      
12 A 1580 1571 41.94      
13 A 1423 1415 1.77      
14 A 1410 1402 5.72      
15 A 1394 1386 0.41      
16 A 1358 1350 1.08      
17 A 1344 1336 6.71      
18 A 1333 1325 9.18      
19 A 1316 1308 11.74      
20 A 1282 1275 11.09      
21 A 1225 1218 1.80      
22 A 1161 1155 3.19      
23 A 1135 1128 4.55      
24 A 1095 1089 8.81      
25 A 1018 1012 13.06      
26 A 1000 994 1.03      
27 A 934 928 15.62      
28 A 894 889 101.37      
29 A 862 857 63.61      
30 A 822 817 65.96      
31 A 781 777 45.62      
32 A 479 476 0.90      
33 A 458 456 20.59      
34 A 360 358 26.64      
35 A 350 348 15.65      
36 A 251 249 5.62      
37 A 238 237 35.44      
38 A 219 218 14.97      
39 A 113 112 5.37      

Unscaled Zero Point Vibrational Energy (zpe) 29426.3 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 29255.6 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/cc-pVDZ
ABC
0.26393 0.11546 0.08830

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.479 1.390 -0.231
H2 -0.336 1.899 0.143
H3 1.291 1.906 0.140
N4 -2.065 -0.142 0.025
H5 -2.119 0.765 -0.461
H6 -2.173 0.077 1.028
C7 -0.745 -0.734 -0.208
H8 -0.741 -1.759 0.226
H9 -0.617 -0.847 -1.307
C10 1.779 -0.673 -0.033
H11 1.784 -1.722 0.325
H12 1.908 -0.674 -1.135
H13 2.659 -0.163 0.411
C14 0.476 0.033 0.342
H15 0.388 0.030 1.464

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.03171.03092.98162.68213.21632.45223.40802.71362.44593.42002.66792.75251.47312.1752
H21.03171.62742.67802.19722.73472.68833.68163.11813.33474.20043.64563.64682.04512.4012
H31.03091.62743.93393.64554.01673.35264.19183.64882.63043.66652.94322.49572.05292.4679
N42.98162.67803.93391.03061.03201.46592.09952.09073.88124.17164.17374.74042.56712.8491
H52.68212.19723.64551.03061.64152.04902.95612.36004.17614.69374.32894.94462.81293.2446
H63.21632.73474.01671.03201.64152.05532.46232.95424.15964.40264.67954.87702.73632.5977
C72.45222.68833.35261.46592.04902.05531.11251.11212.53062.76662.81133.50691.54362.1592
H83.40803.68164.19182.09952.95612.46231.11251.78762.75632.52703.17003.76072.16942.4509
H92.71363.11813.64882.09072.36002.95421.11211.78762.71873.03162.53673.76172.16533.0749
C102.44593.33472.63043.88124.17614.15962.53062.75632.71871.10901.10971.11001.52872.1609
H113.42004.20043.66654.17164.69374.40262.76662.52703.03161.10901.80211.79012.18902.5129
H122.66793.64562.94324.17374.32894.67952.81133.17002.53671.10971.80211.79332.17583.0922
H132.75253.64682.49574.74044.94464.87703.50693.76073.76171.11001.79011.79332.19312.5108
C141.47312.04512.05292.56712.81292.73631.54362.16942.16531.52872.18902.17582.19311.1250
H152.17522.40122.46792.84913.24462.59772.15922.45093.07492.16092.51293.09222.51081.1250

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 108.734 N1 C14 C10 109.128
N1 C14 H15 113.017 H2 N1 H3 104.178
H2 N1 C14 108.172 H3 N1 C14 108.850
N4 C7 H8 108.248 N4 C7 H9 107.592
N4 C7 C14 117.056 H5 N4 H6 105.462
H5 N4 C7 109.076 H6 N4 C7 109.510
C7 C14 C10 110.916 C7 C14 H15 106.975
H8 C7 H9 106.941 H8 C7 C14 108.435
H9 C7 C14 108.143 C10 C14 H15 108.073
H11 C10 H12 108.641 H11 C10 H13 107.553
H11 C10 C14 111.184 H12 C10 H13 107.789
H12 C10 C14 110.102 H13 C10 C14 111.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.141      
2 H 0.052      
3 H 0.074      
4 N -0.173      
5 H 0.077      
6 H 0.072      
7 C 0.055      
8 H 0.020      
9 H 0.027      
10 C -0.007      
11 H 0.026      
12 H 0.035      
13 H 0.020      
14 C -0.121      
15 H -0.017      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.711 1.136 1.531 2.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.494 -2.445 -0.699
y -2.445 -31.268 1.544
z -0.699 1.544 -33.535
Traceless
 xyz
x -3.093 -2.445 -0.699
y -2.445 3.246 1.544
z -0.699 1.544 -0.154
Polar
3z2-r2-0.307
x2-y2-4.226
xy-2.445
xz-0.699
yz1.544


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.552 -0.244 -0.083
y -0.244 7.919 0.038
z -0.083 0.038 6.856


<r2> (average value of r2) Å2
<r2> 144.830
(<r2>)1/2 12.035