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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-229.683803
Energy at 298.15K-229.696237
HF Energy-229.683803
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3478 3409 1.40      
2 A 3467 3399 1.97      
3 A 3379 3313 9.44      
4 A 3375 3309 3.59      
5 A 3073 3013 38.73      
6 A 3056 2996 40.27      
7 A 3039 2980 31.72      
8 A 2989 2930 53.28      
9 A 2983 2924 25.34      
10 A 2838 2783 104.33      
11 A 1673 1641 3.32      
12 A 1661 1629 50.32      
13 A 1504 1475 2.34      
14 A 1492 1463 3.63      
15 A 1474 1445 0.42      
16 A 1406 1379 7.23      
17 A 1400 1372 3.77      
18 A 1391 1364 2.13      
19 A 1365 1338 14.39      
20 A 1333 1307 14.72      
21 A 1261 1236 1.48      
22 A 1201 1177 4.90      
23 A 1149 1126 3.43      
24 A 1090 1068 8.10      
25 A 1046 1025 12.39      
26 A 1009 989 1.57      
27 A 949 930 23.26      
28 A 914 896 134.86      
29 A 889 871 66.91      
30 A 838 821 84.20      
31 A 790 774 36.56      
32 A 487 477 3.55      
33 A 467 458 23.88      
34 A 371 364 47.99      
35 A 364 357 5.38      
36 A 257 252 6.33      
37 A 247 242 47.78      
38 A 219 214 15.09      
39 A 115 113 5.57      

Unscaled Zero Point Vibrational Energy (zpe) 30018.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 29429.8 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 B97D3/6-31G*
ABC
0.26375 0.11555 0.08824

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.479 1.393 -0.227
H2 -0.309 1.914 0.167
H3 1.315 1.886 0.096
N4 -2.066 -0.138 0.025
H5 -2.123 0.750 -0.479
H6 -2.174 0.085 1.019
C7 -0.745 -0.738 -0.207
H8 -0.748 -1.749 0.233
H9 -0.622 -0.852 -1.295
C10 1.779 -0.676 -0.034
H11 1.779 -1.714 0.332
H12 1.899 -0.687 -1.127
H13 2.652 -0.166 0.401
C14 0.475 0.032 0.343
H15 0.390 0.036 1.454

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02331.02332.98022.69163.20922.45763.40402.71922.45163.41402.67522.74751.47562.1628
H21.02331.62572.70512.25022.74752.71383.68983.14493.33304.18903.64953.62612.04602.3817
H31.02331.62573.94103.66614.03333.35004.18163.63132.60723.63702.90862.46802.05052.4749
N42.98022.70513.94101.02231.02391.46922.09202.08303.88264.16694.16554.73312.56582.8464
H52.69162.25023.66611.02231.63932.04592.93962.34244.17794.68544.32014.94102.81723.2496
H63.20922.74754.03331.02391.63932.05452.45262.93954.16064.39724.66814.87202.73362.6007
C72.45762.71383.35001.46922.04592.05451.10231.10092.53062.75972.80033.49861.54392.1556
H83.40403.68984.18162.09202.93962.45261.10231.77572.75752.52933.15933.75422.16282.4435
H92.71923.14493.63132.08302.34242.93951.10091.77572.71743.02552.53213.75062.16053.0611
C102.45163.33302.60723.88264.17794.16062.53062.75752.71741.09971.09981.10121.53142.1566
H113.41404.18903.63704.16694.68544.39722.75972.52933.02551.09971.78741.77832.17962.5003
H122.67523.64952.90864.16554.32014.66812.80033.15932.53211.09981.78741.78132.17003.0765
H132.74753.62612.46804.73314.94104.87203.49863.75423.75061.10121.77831.78132.18762.5040
C141.47562.04602.05052.56582.81722.73361.54392.16282.16051.53142.17962.17002.18761.1144
H152.16282.38172.47492.84643.24962.60072.15562.44353.06112.15662.50033.07652.50401.1144

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 109.185 N1 C14 C10 109.228
N1 C14 H15 112.306 H2 N1 H3 105.407
H2 N1 C14 108.990 H3 N1 C14 109.396
N4 C7 H8 107.872 N4 C7 H9 107.369
N4 C7 C14 117.005 H5 N4 H6 106.918
H5 N4 C7 109.520 H6 N4 C7 110.103
C7 C14 C10 110.868 C7 C14 H15 107.219
H8 C7 H9 107.267 H8 C7 C14 108.599
H9 C7 C14 108.339 C10 C14 H15 108.031
H11 C10 H12 108.678 H11 C10 H13 107.702
H11 C10 C14 110.909 H12 C10 H13 108.005
H12 C10 C14 109.994 H13 C10 C14 111.449
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.706      
2 H 0.278      
3 H 0.294      
4 N -0.704      
5 H 0.299      
6 H 0.287      
7 C -0.138      
8 H 0.138      
9 H 0.152      
10 C -0.458      
11 H 0.148      
12 H 0.162      
13 H 0.140      
14 C 0.008      
15 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.013 1.172 1.729 2.321
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.802 -2.802 -0.801
y -2.802 -30.871 1.864
z -0.801 1.864 -33.138
Traceless
 xyz
x -3.797 -2.802 -0.801
y -2.802 3.599 1.864
z -0.801 1.864 0.198
Polar
3z2-r20.396
x2-y2-4.931
xy-2.802
xz-0.801
yz1.864


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.935 -0.229 -0.106
y -0.229 7.311 -0.070
z -0.106 -0.070 6.327


<r2> (average value of r2) Å2
<r2> 144.664
(<r2>)1/2 12.028