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

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-228.340690
Energy at 298.15K-228.353531
Nuclear repulsion energy195.942909
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/6-31G(2df,p)
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 3823 3461 1.51      
2 A 3814 3453 0.68      
3 A 3738 3385 0.31      
4 A 3731 3379 0.28      
5 A 3243 2937 55.30      
6 A 3226 2921 47.45      
7 A 3219 2914 26.66      
8 A 3174 2874 52.77      
9 A 3163 2864 19.96      
10 A 3065 2775 83.54      
11 A 1799 1629 11.24      
12 A 1790 1621 56.39      
13 A 1620 1467 1.17      
14 A 1612 1460 3.88      
15 A 1605 1453 0.05      
16 A 1556 1409 0.30      
17 A 1536 1391 13.92      
18 A 1517 1374 9.98      
19 A 1494 1353 4.80      
20 A 1460 1322 13.91      
21 A 1363 1235 0.75      
22 A 1305 1182 7.19      
23 A 1260 1141 9.16      
24 A 1185 1073 18.29      
25 A 1128 1022 14.04      
26 A 1091 988 2.34      
27 A 1023 926 9.09      
28 A 978 886 94.31      
29 A 952 862 113.69      
30 A 919 832 82.69      
31 A 852 771 57.80      
32 A 524 474 0.32      
33 A 500 452 18.41      
34 A 395 358 0.54      
35 A 366 332 49.31      
36 A 279 253 9.52      
37 A 262 238 24.28      
38 A 237 215 22.95      
39 A 130 118 4.02      

Unscaled Zero Point Vibrational Energy (zpe) 32467.0 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 29398.9 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/6-31G(2df,p)
ABC
0.26777 0.11718 0.08940

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.499 1.384 -0.215
H2 -0.254 1.932 0.145
H3 1.343 1.850 0.050
N4 -2.048 -0.127 0.035
H5 -2.151 0.741 -0.449
H6 -2.190 0.042 1.010
C7 -0.748 -0.720 -0.221
H8 -0.749 -1.726 0.192
H9 -0.633 -0.815 -1.297
C10 1.758 -0.690 -0.025
H11 1.751 -1.708 0.352
H12 1.888 -0.720 -1.102
H13 2.620 -0.185 0.404
C14 0.464 0.034 0.334
H15 0.375 0.045 1.427

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N10.99910.99972.97202.73703.24522.44533.37492.69892.43293.38332.67262.70921.45812.1225
H20.99911.60192.73282.31732.83982.72193.69093.12533.30904.16073.63053.57852.03832.3663
H30.99971.60193.92493.69944.08243.32354.14443.58002.57403.59342.86882.42762.03722.4676
N42.97202.73283.92490.99860.99991.45182.06612.06183.84784.12734.14034.68282.53512.7995
H52.73702.31733.69940.99861.61812.03792.90832.33314.18384.67584.34474.93382.81993.2222
H63.24522.83984.08240.99991.61812.04372.42332.91254.14634.36214.65584.85302.73872.5983
C72.44532.72193.32351.45182.03792.04371.08721.08602.51362.74772.77963.46661.53142.1354
H83.37493.69094.14442.06612.90832.42331.08721.74882.72102.50523.10483.71032.14162.4334
H92.69893.12533.58002.06182.33312.91251.08601.74882.71083.03302.53033.72382.14103.0284
C102.43293.30902.57403.84784.18384.14632.51362.72102.71081.08581.08581.08691.52512.1350
H113.38334.16073.59344.12734.67584.36212.74772.50523.03301.08581.76351.75422.16562.4738
H122.67263.63052.86884.14034.34474.65582.77963.10482.53031.08581.76351.75782.15903.0449
H132.70923.57852.42764.68284.93384.85303.46663.71033.72381.08691.75421.75782.16772.4776
C141.45812.03832.03722.53512.81992.73871.53142.14162.14101.52512.16562.15902.16771.0959
H152.12252.36632.46762.79953.22222.59832.13542.43343.02842.13502.47383.04492.47761.0959

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 109.735 N1 C14 C10 109.262
N1 C14 H15 111.633 H2 N1 H3 106.538
H2 N1 C14 110.715 H3 N1 C14 110.576
N4 C7 H8 108.062 N4 C7 H9 107.792
N4 C7 C14 116.350 H5 N4 H6 108.125
H5 N4 C7 111.186 H6 N4 C7 111.601
C7 C14 C10 110.644 C7 C14 H15 107.576
H8 C7 H9 107.163 H8 C7 C14 108.548
H9 C7 C14 108.570 C10 C14 H15 107.972
H11 C10 H12 108.593 H11 C10 H13 107.683
H11 C10 C14 110.961 H12 C10 H13 107.996
H12 C10 C14 110.430 H13 C10 C14 111.067
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.648      
2 H 0.254      
3 H 0.261      
4 N -0.651      
5 H 0.266      
6 H 0.256      
7 C -0.093      
8 H 0.121      
9 H 0.133      
10 C -0.418      
11 H 0.134      
12 H 0.145      
13 H 0.127      
14 C 0.032      
15 H 0.080      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.952 1.043 1.636 2.162
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.639 -2.609 -0.848
y -2.609 -31.059 1.547
z -0.848 1.547 -33.055
Traceless
 xyz
x -3.583 -2.609 -0.848
y -2.609 3.288 1.547
z -0.848 1.547 0.294
Polar
3z2-r20.588
x2-y2-4.581
xy-2.609
xz-0.848
yz1.547


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.391 -0.222 -0.112
y -0.222 6.902 -0.063
z -0.112 -0.063 6.108


<r2> (average value of r2) Å2
<r2> 143.053
(<r2>)1/2 11.960