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

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-228.349274
Energy at 298.15K-228.362109
Nuclear repulsion energy195.502037
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/aug-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 3816 3474 2.61      
2 A 3807 3467 1.47      
3 A 3731 3398 0.29      
4 A 3723 3390 1.06      
5 A 3242 2952 67.52      
6 A 3226 2938 51.88      
7 A 3225 2936 17.90      
8 A 3180 2896 52.86      
9 A 3163 2880 22.98      
10 A 3078 2802 81.48      
11 A 1783 1624 18.53      
12 A 1775 1616 52.38      
13 A 1599 1456 1.66      
14 A 1592 1450 6.00      
15 A 1588 1446 0.29      
16 A 1547 1408 0.36      
17 A 1521 1385 15.73      
18 A 1501 1367 8.76      
19 A 1480 1348 6.24      
20 A 1446 1317 9.62      
21 A 1354 1233 0.92      
22 A 1293 1178 4.53      
23 A 1257 1145 9.64      
24 A 1184 1078 25.31      
25 A 1122 1022 11.29      
26 A 1090 993 2.73      
27 A 1020 929 2.53      
28 A 962 876 51.03      
29 A 938 854 108.14      
30 A 906 825 87.65      
31 A 842 766 79.03      
32 A 524 477 0.39      
33 A 500 455 17.41      
34 A 397 362 0.78      
35 A 348 317 47.31      
36 A 281 256 12.44      
37 A 262 239 23.52      
38 A 236 215 18.39      
39 A 132 121 3.70      

Unscaled Zero Point Vibrational Energy (zpe) 32334.4 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 29443.7 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/aug-cc-pVDZ
ABC
0.26643 0.11666 0.08901

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.512 1.387 -0.214
H2 -0.242 1.946 0.136
H3 1.360 1.850 0.053
N4 -2.053 -0.125 0.039
H5 -2.170 0.751 -0.432
H6 -2.203 0.025 1.020
C7 -0.751 -0.713 -0.230
H8 -0.752 -1.727 0.175
H9 -0.640 -0.797 -1.311
C10 1.756 -0.698 -0.021
H11 1.744 -1.718 0.367
H12 1.889 -0.739 -1.103
H13 2.622 -0.191 0.408
C14 0.464 0.032 0.332
H15 0.369 0.045 1.427

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.00201.00262.98762.76423.27772.45013.38232.70172.43543.38982.68392.70701.46102.1244
H21.00201.60712.75252.33762.88362.73203.70823.12663.31814.17383.64483.58412.04962.3784
H31.00261.60713.94303.72814.11783.33244.15553.58742.58033.60222.88422.42622.04612.4757
N42.98762.75253.94301.00171.00301.45412.06832.06643.85204.13014.14974.68982.53852.7966
H52.76422.33763.72811.00171.62392.04912.91882.34664.20444.69534.37514.95492.83463.2251
H63.27772.88364.11781.00301.62392.05262.42602.92354.15604.36274.67204.86772.75362.6038
C72.45012.73203.33241.45412.04912.05261.09141.09022.51502.75422.78053.47171.53142.1385
H83.38233.70824.15552.06832.91882.42601.09141.75672.71712.50263.09573.71392.14352.4415
H92.70173.12663.58742.06642.34662.92351.09021.75672.72313.05722.53883.73692.14593.0372
C102.43543.31812.58033.85204.20444.15602.51502.71712.72311.09061.09071.09161.52542.1380
H113.38984.17383.60224.13014.69534.36272.75422.50263.05721.09061.77181.76162.16802.4737
H122.68393.64482.88424.14974.37514.67202.78053.09572.53881.09071.77181.76602.16393.0534
H132.70703.58412.42624.68984.95494.86773.47173.71393.73691.09161.76161.76602.17092.4837
C141.46102.04962.04612.53852.83462.75361.53142.14352.14591.52542.16802.16392.17091.0995
H152.12442.37842.47572.79663.22512.60382.13852.44153.03722.13802.47373.05342.48371.0995

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 109.901 N1 C14 C10 109.257
N1 C14 H15 111.345 H2 N1 H3 106.580
H2 N1 C14 111.274 H3 N1 C14 110.931
N4 C7 H8 107.834 N4 C7 H9 107.758
N4 C7 C14 116.455 H5 N4 H6 108.204
H5 N4 C7 111.782 H6 N4 C7 112.003
C7 C14 C10 110.724 C7 C14 H15 107.611
H8 C7 H9 107.271 H8 C7 C14 108.460
H9 C7 C14 108.710 C10 C14 H15 107.982
H11 C10 H12 108.637 H11 C10 H13 107.658
H11 C10 C14 110.851 H12 C10 H13 108.043
H12 C10 C14 110.522 H13 C10 C14 111.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.273      
2 H -0.035      
3 H -0.042      
4 N -0.450      
5 H -0.012      
6 H -0.016      
7 C 1.065      
8 H -0.116      
9 H -0.089      
10 C 0.714      
11 H -0.060      
12 H 0.022      
13 H -0.097      
14 C -0.454      
15 H -0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.034 0.928 1.713 2.206
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 8.790 -0.137 -0.049
y -0.137 8.060 -0.012
z -0.049 -0.012 7.319


<r2> (average value of r2) Å2
<r2> 144.172
(<r2>)1/2 12.007