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

using model chemistry: HF/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-228.399800
Energy at 298.15K-228.412644
Nuclear repulsion energy196.120471
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/cc-pVTZ
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 3812 3469 1.77      
2 A 3802 3460 0.83      
3 A 3729 3394 0.07      
4 A 3723 3388 0.59      
5 A 3224 2934 66.07      
6 A 3208 2920 52.77      
7 A 3204 2916 22.20      
8 A 3166 2881 55.05      
9 A 3153 2870 21.86      
10 A 3057 2782 83.99      
11 A 1796 1635 16.10      
12 A 1788 1627 51.34      
13 A 1618 1473 1.87      
14 A 1612 1467 5.71      
15 A 1605 1461 0.15      
16 A 1554 1414 0.29      
17 A 1535 1397 13.49      
18 A 1515 1379 10.60      
19 A 1492 1358 4.76      
20 A 1462 1330 10.80      
21 A 1362 1240 0.79      
22 A 1304 1187 5.81      
23 A 1258 1145 9.27      
24 A 1179 1073 23.53      
25 A 1128 1027 12.41      
26 A 1090 992 2.84      
27 A 1021 929 4.82      
28 A 969 882 58.27      
29 A 942 857 120.55      
30 A 912 830 96.41      
31 A 844 768 79.28      
32 A 524 477 0.23      
33 A 502 457 17.18      
34 A 396 360 0.89      
35 A 354 322 47.72      
36 A 280 255 10.61      
37 A 260 236 20.44      
38 A 235 214 23.42      
39 A 132 121 3.79      

Unscaled Zero Point Vibrational Energy (zpe) 32373.1 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 29462.8 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 HF/cc-pVTZ
ABC
0.26812 0.11730 0.08948

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.508 1.383 -0.213
H2 -0.246 1.937 0.134
H3 1.352 1.846 0.050
N4 -2.047 -0.125 0.038
H5 -2.164 0.742 -0.441
H6 -2.198 0.030 1.012
C7 -0.748 -0.714 -0.226
H8 -0.749 -1.721 0.178
H9 -0.636 -0.801 -1.300
C10 1.753 -0.694 -0.023
H11 1.743 -1.709 0.357
H12 1.884 -0.730 -1.098
H13 2.614 -0.191 0.404
C14 0.463 0.032 0.333
H15 0.371 0.043 1.422

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N10.99750.99812.97732.75743.26392.44433.37122.69452.42943.37852.67262.70081.45732.1178
H20.99751.60242.73992.33272.86732.72243.69293.11573.30824.15993.62883.57502.04232.3719
H30.99811.60243.92933.71824.10203.32274.14153.57512.57313.59032.87002.42252.03962.4686
N42.97732.73993.92930.99680.99821.45082.06262.05943.84284.12084.13694.67592.53252.7913
H52.75742.33273.71820.99681.61872.04232.90722.33564.19284.68124.35764.94112.82933.2226
H63.26392.86734.10200.99821.61872.04682.42142.91224.14774.35754.65804.85512.74672.6014
C72.44432.72243.32271.45082.04232.04681.08491.08382.50892.74532.77323.46001.52832.1309
H83.37123.69294.14152.06262.90722.42141.08491.74482.71092.49813.08903.70072.13672.4317
H92.69453.11573.57512.05942.33562.91221.08381.74482.71063.03832.52913.71952.13713.0226
C102.42943.30822.57313.84284.19284.14772.50892.71092.71061.08381.08391.08491.52222.1308
H113.37854.15993.59034.12084.68124.35752.74532.49813.03831.08381.75991.75072.16162.4676
H122.67263.62882.87004.13694.35764.65802.77323.08902.52911.08391.75991.75442.15563.0394
H132.70083.57502.42254.67594.94114.85513.46003.70073.71951.08491.75071.75442.16342.4741
C141.45732.04232.03962.53252.82932.74671.52832.13672.13711.52222.16162.15562.16341.0934
H152.11782.37192.46862.79133.22262.60142.13092.43173.02262.13082.46763.03942.47411.0934

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 109.892 N1 C14 C10 109.231
N1 C14 H15 111.458 H2 N1 H3 106.827
H2 N1 C14 111.223 H3 N1 C14 110.946
N4 C7 H8 107.998 N4 C7 H9 107.802
N4 C7 C14 116.420 H5 N4 H6 108.463
H5 N4 C7 111.767 H6 N4 C7 112.066
C7 C14 C10 110.669 C7 C14 H15 107.585
H8 C7 H9 107.132 H8 C7 C14 108.517
H9 C7 C14 108.609 C10 C14 H15 107.985
H11 C10 H12 108.564 H11 C10 H13 107.665
H11 C10 C14 110.976 H12 C10 H13 107.986
H12 C10 C14 110.485 H13 C10 C14 111.051
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.394 -0.947 -1.191 -0.938
2 H 0.131 0.301 0.355 0.300
3 H 0.142 0.355 0.360 0.359
4 N -0.403 -1.006 -1.197 -1.018
5 H 0.148 0.373 0.366 0.383
6 H 0.137 0.340 0.356 0.346
7 C -0.044 0.464 0.605 0.433
8 H 0.093 -0.050 -0.063 -0.032
9 H 0.095 -0.029 -0.044 -0.013
10 C -0.305 -0.392 0.161 -0.448
11 H 0.092 0.059 -0.058 0.075
12 H 0.101 0.097 -0.043 0.116
13 H 0.093 0.115 -0.067 0.131
14 C 0.042 0.379 0.548 0.347
15 H 0.073 -0.059 -0.104 -0.040


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.931 0.996 1.652 2.142
CHELPG        
AIM -0.464 0.633 -0.116 0.793
ESP 0.929 0.990 1.607 2.104


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 8.133 -0.207 -0.080
y -0.207 7.521 -0.011
z -0.080 -0.011 6.728


<r2> (average value of r2) Å2
<r2> 143.173
(<r2>)1/2 11.965