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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-229.827654
Energy at 298.15K-229.840158
Nuclear repulsion energy194.521986
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 B3LYP/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 3554 3413 0.38      
2 A 3542 3402 0.99      
3 A 3462 3325 4.19      
4 A 3459 3322 1.58      
5 A 3124 3000 34.30      
6 A 3107 2984 35.57      
7 A 3092 2969 27.72      
8 A 3048 2927 44.54      
9 A 3041 2920 20.18      
10 A 2909 2793 91.24      
11 A 1698 1631 4.33      
12 A 1688 1621 53.90      
13 A 1532 1471 2.36      
14 A 1521 1460 4.16      
15 A 1504 1444 0.39      
16 A 1438 1381 5.92      
17 A 1430 1374 5.07      
18 A 1416 1360 6.33      
19 A 1393 1338 11.12      
20 A 1361 1307 13.89      
21 A 1279 1229 1.12      
22 A 1221 1173 5.43      
23 A 1175 1128 4.20      
24 A 1112 1068 9.68      
25 A 1063 1021 12.55      
26 A 1026 986 1.41      
27 A 963 925 16.46      
28 A 923 886 107.79      
29 A 899 863 91.44      
30 A 852 818 92.38      
31 A 802 770 53.66      
32 A 493 473 2.45      
33 A 474 455 22.95      
34 A 368 353 30.90      
35 A 367 352 25.19      
36 A 259 249 9.25      
37 A 248 238 41.36      
38 A 224 215 18.17      
39 A 119 114 5.58      

Unscaled Zero Point Vibrational Energy (zpe) 30592.2 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 29377.6 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 B3LYP/6-31G*
ABC
0.26490 0.11582 0.08844

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.484 1.390 -0.222
H2 -0.299 1.920 0.158
H3 1.323 1.882 0.084
N4 -2.062 -0.135 0.025
H5 -2.134 0.752 -0.470
H6 -2.195 0.063 1.017
C7 -0.746 -0.733 -0.209
H8 -0.750 -1.742 0.223
H9 -0.624 -0.844 -1.294
C10 1.774 -0.679 -0.033
H11 1.777 -1.711 0.337
H12 1.897 -0.697 -1.122
H13 2.646 -0.169 0.397
C14 0.473 0.032 0.342
H15 0.389 0.036 1.448

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01911.01932.97802.70663.23632.45373.39632.71462.44613.40632.67642.73631.47112.1518
H21.01911.62462.71022.26392.78922.71503.69053.13853.33064.18683.64823.61882.04872.3850
H31.01931.62463.94053.67944.06873.34704.17763.62212.60313.63012.90412.46052.05232.4775
N42.97802.71023.94051.01821.01961.46442.08392.07573.87504.16184.15964.72212.56002.8390
H52.70662.26393.67941.01821.63972.04952.93532.34634.18544.69244.33304.94452.82443.2494
H63.23632.78924.06871.01961.63972.05812.44442.93714.17214.40324.67894.88532.75222.6200
C72.45372.71503.34701.46442.04952.05811.09801.09682.52682.76072.79593.49081.54062.1504
H83.39633.69054.17762.08392.93532.44441.09801.76702.75132.53063.14763.74652.15822.4416
H92.71463.13853.62212.07572.34632.93711.09681.76702.71483.02952.53123.74232.15533.0521
C102.44613.33062.60313.87504.18544.17212.52682.75132.71481.09581.09591.09721.52922.1496
H113.40634.18683.63014.16184.69244.40322.76072.53063.02951.09581.78001.77022.17662.4925
H122.67643.64822.90414.15964.33304.67892.79593.14762.53121.09591.78001.77372.16783.0677
H132.73633.61882.46054.72214.94454.88533.49083.74653.74231.09721.77021.77372.18232.4971
C141.47112.04872.05232.56002.82442.75221.54062.15822.15531.52922.17662.16782.18231.1089
H152.15182.38502.47752.83903.24942.62002.15042.44163.05212.14962.49253.06772.49711.1089

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 109.094 N1 C14 C10 109.216
N1 C14 H15 112.269 H2 N1 H3 105.694
H2 N1 C14 109.370 H3 N1 C14 109.659
N4 C7 H8 107.975 N4 C7 H9 107.411
N4 C7 C14 116.815 H5 N4 H6 107.151
H5 N4 C7 109.987 H6 N4 C7 110.618
C7 C14 C10 110.792 C7 C14 H15 107.385
H8 C7 H9 107.235 H8 C7 C14 108.590
H9 C7 C14 108.436 C10 C14 H15 108.082
H11 C10 H12 108.612 H11 C10 H13 107.646
H11 C10 C14 110.946 H12 C10 H13 107.951
H12 C10 C14 110.249 H13 C10 C14 111.324
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.719 -0.930   -0.919
2 H 0.281 0.307   0.305
3 H 0.294 0.357   0.359
4 N -0.717 -0.953   -0.960
5 H 0.300 0.363   0.368
6 H 0.288 0.334   0.339
7 C -0.121 0.369   0.338
8 H 0.133 -0.029   -0.012
9 H 0.147 -0.005   0.010
10 C -0.447 -0.359   -0.418
11 H 0.144 0.057   0.074
12 H 0.158 0.096   0.114
13 H 0.136 0.105   0.122
14 C 0.028 0.341   0.317
15 H 0.095 -0.053   -0.037


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.996 1.166 1.751 2.327
CHELPG 0.972 1.179 1.727 2.306
AIM        
ESP 0.987 1.164 1.719 2.299


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 7.660 -0.233 -0.119
y -0.233 7.099 -0.083
z -0.119 -0.083 6.170


<r2> (average value of r2) Å2
<r2> 144.452
(<r2>)1/2 12.019