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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-229.790023
Energy at 298.15K-229.802554
Nuclear repulsion energy195.390173
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/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 3593 3443 0.15      
2 A 3583 3434 0.40      
3 A 3507 3361 1.91      
4 A 3502 3356 0.98      
5 A 3151 3020 23.51      
6 A 3137 3006 28.25      
7 A 3105 2975 28.66      
8 A 3056 2929 36.98      
9 A 3049 2922 26.39      
10 A 2921 2799 88.86      
11 A 1651 1583 1.36      
12 A 1641 1572 49.37      
13 A 1480 1418 1.87      
14 A 1468 1406 6.65      
15 A 1454 1394 0.38      
16 A 1422 1362 0.69      
17 A 1399 1340 16.08      
18 A 1386 1329 4.59      
19 A 1373 1316 9.92      
20 A 1334 1278 10.40      
21 A 1269 1216 1.24      
22 A 1206 1155 4.30      
23 A 1185 1136 7.48      
24 A 1141 1093 12.88      
25 A 1055 1011 13.70      
26 A 1037 994 1.09      
27 A 965 925 9.23      
28 A 922 883 101.23      
29 A 893 856 70.94      
30 A 855 819 66.92      
31 A 810 776 59.45      
32 A 495 474 0.61      
33 A 471 451 20.95      
34 A 368 353 12.82      
35 A 358 343 32.97      
36 A 258 248 6.98      
37 A 242 232 24.57      
38 A 225 216 26.15      
39 A 117 112 5.60      

Unscaled Zero Point Vibrational Energy (zpe) 30541.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 29268.2 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/cc-pVDZ
ABC
0.26744 0.11724 0.08956

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.478 1.381 -0.225
H2 -0.320 1.899 0.142
H3 1.296 1.886 0.114
N4 -2.048 -0.138 0.027
H5 -2.116 0.753 -0.463
H6 -2.168 0.070 1.018
C7 -0.741 -0.730 -0.208
H8 -0.738 -1.746 0.221
H9 -0.614 -0.843 -1.297
C10 1.765 -0.671 -0.032
H11 1.770 -1.710 0.330
H12 1.893 -0.679 -1.125
H13 2.637 -0.162 0.406
C14 0.470 0.033 0.339
H15 0.384 0.035 1.449

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01971.01962.95812.67893.20412.43733.38442.69932.43043.39582.65642.72861.46112.1506
H21.01971.61612.67402.21432.74412.68543.66983.11073.31444.17473.62643.61482.03602.3834
H31.01961.61613.90963.64064.01423.33064.16383.61742.60393.63312.91072.46592.04072.4574
N42.95812.67403.90961.01891.02021.45382.08262.07483.85054.13984.14104.70082.54302.8230
H52.67892.21433.64061.01891.63152.03832.93412.34514.15634.66834.30814.91782.80123.2280
H63.20412.74414.01421.02021.63152.04442.44462.93404.13784.37604.65234.85002.72452.5887
C72.43732.68543.33061.45382.03832.04441.10271.10222.51272.74842.78903.48011.53202.1441
H83.38443.66984.16382.08262.93412.44461.10271.77042.73582.51093.14173.73312.15372.4373
H92.69933.11073.61742.07482.34512.93401.10221.77042.69993.01342.51803.73292.14903.0512
C102.43043.31442.60393.85054.15634.13782.51272.73582.69991.09971.10031.10071.52002.1447
H113.39584.17473.63314.13984.66834.37602.74842.51093.01341.09971.78671.77552.17432.4937
H122.65643.62642.91074.14104.30814.65232.78903.14172.51801.10031.78671.77892.16183.0680
H132.72863.61482.46594.70084.91784.85003.48013.73313.73291.10071.77551.77892.17722.4910
C141.46112.03602.04072.54302.80122.72451.53202.15372.14901.52002.17432.16182.17721.1141
H152.15062.38342.45742.82303.22802.58872.14412.43733.05122.14472.49373.06802.49101.1141

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 109.015 N1 C14 C10 109.206
N1 C14 H15 112.562 H2 N1 H3 104.837
H2 N1 C14 109.006 H3 N1 C14 109.407
N4 C7 H8 108.316 N4 C7 H9 107.734
N4 C7 C14 116.773 H5 N4 H6 106.275
H5 N4 C7 109.782 H6 N4 C7 110.219
C7 C14 C10 110.830 C7 C14 H15 107.194
H8 C7 H9 106.814 H8 C7 C14 108.559
H9 C7 C14 108.222 C10 C14 H15 108.031
H11 C10 H12 108.613 H11 C10 H13 107.586
H11 C10 C14 111.180 H12 C10 H13 107.842
H12 C10 C14 110.148 H13 C10 C14 111.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.182      
2 H 0.067      
3 H 0.084      
4 N -0.220      
5 H 0.088      
6 H 0.082      
7 C 0.064      
8 H 0.033      
9 H 0.040      
10 C -0.033      
11 H 0.038      
12 H 0.047      
13 H 0.032      
14 C -0.139      
15 H -0.000      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.794 1.133 1.585 2.104
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> 142.894
(<r2>)1/2 11.954