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

using model chemistry: mPW1PW91/aug-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/aug-cc-pVDZ
 hartrees
Energy at 0K-229.817098
Energy at 298.15K-229.829555
Nuclear repulsion energy195.262107
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3623 3471 1.51      
2 A 3614 3463 1.20      
3 A 3531 3384 1.06      
4 A 3527 3380 1.13      
5 A 3144 3012 28.23      
6 A 3131 3000 30.84      
7 A 3109 2980 24.47      
8 A 3056 2929 50.38      
9 A 3050 2923 12.29      
10 A 2946 2823 75.80      
11 A 1646 1577 6.54      
12 A 1638 1570 56.47      
13 A 1481 1420 2.86      
14 A 1471 1410 7.02      
15 A 1459 1398 0.80      
16 A 1414 1355 1.12      
17 A 1393 1335 17.86      
18 A 1383 1325 2.63      
19 A 1363 1306 10.97      
20 A 1328 1273 5.38      
21 A 1258 1206 0.97      
22 A 1197 1147 1.80      
23 A 1180 1131 6.82      
24 A 1131 1084 19.64      
25 A 1047 1003 8.53      
26 A 1029 986 0.95      
27 A 958 918 3.10      
28 A 889 852 40.20      
29 A 875 838 60.23      
30 A 825 791 84.42      
31 A 781 749 112.32      
32 A 494 473 1.02      
33 A 466 446 18.60      
34 A 368 353 2.21      
35 A 335 321 44.42      
36 A 258 247 11.11      
37 A 238 228 27.20      
38 A 214 205 13.87      
39 A 120 115 3.89      

Unscaled Zero Point Vibrational Energy (zpe) 30485.5 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 29214.3 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/aug-cc-pVDZ
ABC
0.26651 0.11688 0.08924

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.495 1.385 -0.217
H2 -0.281 1.932 0.144
H3 1.340 1.869 0.070
N4 -2.050 -0.132 0.033
H5 -2.154 0.754 -0.450
H6 -2.196 0.038 1.024
C7 -0.744 -0.720 -0.221
H8 -0.743 -1.739 0.192
H9 -0.625 -0.811 -1.310
C10 1.759 -0.685 -0.026
H11 1.752 -1.717 0.347
H12 1.889 -0.707 -1.116
H13 2.632 -0.180 0.410
C14 0.468 0.031 0.337
H15 0.375 0.037 1.442

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01521.01522.97332.73273.25472.44193.38472.69602.43353.39442.67002.72171.46272.1406
H21.01521.62362.72072.29102.83362.71623.70003.12293.32294.18223.64133.60742.05202.3886
H31.01521.62363.93683.70404.09453.33574.16763.59772.59033.62052.88842.44592.05152.4840
N42.97332.72073.93681.01441.01561.45512.07802.07283.85044.13194.14394.69752.54202.8097
H52.73272.29103.70401.01441.63932.05252.93582.35074.19134.69054.35024.95122.83143.2385
H63.25472.83364.09451.01561.63932.05712.44152.93834.15584.37354.67134.87142.75122.6044
C72.44192.71623.33571.45512.05252.05711.09971.09892.51112.74732.78103.47611.53082.1420
H83.38473.70004.16762.07802.93582.44151.09971.76912.72372.49993.11483.72352.14952.4423
H92.69603.12293.59772.07282.35072.93831.09891.76912.71073.03572.52353.73612.14793.0477
C102.43353.32292.59033.85044.19134.15582.51112.72372.71071.09721.09781.09821.52082.1435
H113.39444.18223.62054.13194.69054.37352.74732.49993.03571.09721.78301.77222.16942.4849
H122.67003.64132.88844.14394.35024.67132.78103.11482.52351.09781.78301.77682.16213.0643
H132.72173.60742.44594.69754.95124.87143.47613.72353.73611.09821.77221.77682.17512.4913
C141.46272.05202.05152.54202.83142.75121.53082.14952.14791.52082.16942.16212.17511.1092
H152.14062.38862.48402.80973.23852.60442.14202.44233.04772.14352.48493.06432.49131.1092

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 109.301 N1 C14 C10 109.291
N1 C14 H15 111.942 H2 N1 H3 106.191
H2 N1 C14 110.511 H3 N1 C14 110.469
N4 C7 H8 108.047 N4 C7 H9 107.680
N4 C7 C14 116.691 H5 N4 H6 107.712
H5 N4 C7 111.174 H6 N4 C7 111.496
C7 C14 C10 110.749 C7 C14 H15 107.386
H8 C7 H9 107.148 H8 C7 C14 108.487
H9 C7 C14 108.409 C10 C14 H15 108.163
H11 C10 H12 108.643 H11 C10 H13 107.648
H11 C10 C14 110.884 H12 C10 H13 108.012
H12 C10 C14 110.266 H13 C10 C14 111.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.094      
2 H -0.038      
3 H -0.042      
4 N -0.325      
5 H -0.023      
6 H -0.011      
7 C 0.986      
8 H -0.235      
9 H -0.200      
10 C 0.667      
11 H -0.123      
12 H -0.034      
13 H -0.162      
14 C -0.033      
15 H -0.331      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.985 0.909 1.638 2.116
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.222 -2.645 -0.794
y -2.645 -31.760 1.540
z -0.794 1.540 -33.925
Traceless
 xyz
x -3.379 -2.645 -0.794
y -2.645 3.313 1.540
z -0.794 1.540 0.066
Polar
3z2-r20.132
x2-y2-4.461
xy-2.645
xz-0.794
yz1.540


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.677 -0.113 -0.033
y -0.113 8.813 0.007
z -0.033 0.007 7.987


<r2> (average value of r2) Å2
<r2> 143.943
(<r2>)1/2 11.998