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

using model chemistry: B3LYP/6-311G*

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/6-311G*
 hartrees
Energy at 0K-229.885505
Energy at 298.15K-229.898003
Nuclear repulsion energy194.705223
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/6-311G*
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 3570 3450 0.56      
2 A 3553 3433 1.07      
3 A 3484 3367 7.02      
4 A 3482 3365 1.15      
5 A 3101 2996 43.97      
6 A 3084 2980 42.69      
7 A 3072 2968 28.79      
8 A 3030 2928 53.42      
9 A 3024 2922 21.27      
10 A 2899 2802 94.47      
11 A 1715 1658 14.22      
12 A 1705 1647 61.98      
13 A 1520 1469 4.59      
14 A 1509 1458 6.35      
15 A 1488 1437 1.08      
16 A 1424 1376 6.14      
17 A 1418 1370 8.17      
18 A 1411 1363 2.06      
19 A 1384 1337 11.53      
20 A 1354 1308 8.24      
21 A 1275 1232 1.14      
22 A 1218 1177 4.53      
23 A 1165 1126 3.77      
24 A 1103 1066 12.04      
25 A 1059 1024 12.27      
26 A 1021 986 1.15      
27 A 955 923 14.22      
28 A 913 883 77.99      
29 A 886 856 109.19      
30 A 844 816 104.48      
31 A 791 765 80.18      
32 A 492 476 2.48      
33 A 472 456 22.15      
34 A 370 357 54.57      
35 A 367 355 2.68      
36 A 258 249 5.83      
37 A 240 232 28.50      
38 A 218 210 33.36      
39 A 120 116 6.52      

Unscaled Zero Point Vibrational Energy (zpe) 30494.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 29467.3 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/6-311G*
ABC
0.26552 0.11594 0.08853

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.483 1.390 -0.218
H2 -0.288 1.925 0.169
H3 1.331 1.874 0.060
N4 -2.059 -0.132 0.024
H5 -2.148 0.740 -0.486
H6 -2.209 0.065 1.009
C7 -0.745 -0.733 -0.205
H8 -0.754 -1.740 0.226
H9 -0.621 -0.848 -1.287
C10 1.773 -0.678 -0.034
H11 1.778 -1.712 0.323
H12 1.898 -0.686 -1.121
H13 2.643 -0.177 0.400
C14 0.474 0.031 0.343
H15 0.394 0.039 1.447

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01551.01572.97282.72333.24162.45183.39442.71372.44413.40412.66922.73921.47072.1465
H21.01551.62362.71862.30102.80282.72233.69513.14913.32634.18523.64133.61412.04932.3780
H31.01571.62363.93983.70004.08763.34294.17583.60982.59213.62332.87552.45832.05292.4847
N42.97282.71863.93981.01421.01571.46302.08132.07283.87114.16014.15644.71792.55872.8413
H52.72332.30103.70001.01421.64162.05342.93312.34354.19384.69864.33664.95822.84043.2697
H63.24162.80284.08761.01571.64162.06212.44742.93634.18264.41824.68674.89652.76462.6395
C72.45182.72233.34291.46302.05342.06211.09591.09472.52382.75692.79743.48641.53912.1496
H83.39443.69514.17582.08132.93312.44741.09591.76102.75262.53313.15513.74362.15792.4440
H92.71373.14913.60982.07282.34352.93631.09471.76102.70673.01492.52963.73512.15113.0476
C102.44413.32632.59213.87114.19384.18262.52382.75262.70671.09351.09361.09481.52692.1473
H113.40414.18523.62334.16014.69864.41822.75692.53313.01491.09351.77481.76432.17612.4990
H122.66923.64132.87554.15644.33664.68672.79743.15512.52961.09361.77481.76852.16443.0631
H132.73923.61412.45834.71794.95824.89653.48643.74363.73511.09481.76431.76852.17992.4909
C141.47072.04932.05292.55872.84042.76461.53912.15792.15111.52692.17612.16442.17991.1067
H152.14652.37802.48472.84133.26972.63952.14962.44403.04762.14732.49903.06312.49091.1067

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 109.072 N1 C14 C10 109.228
N1 C14 H15 112.002 H2 N1 H3 106.139
H2 N1 C14 109.669 H3 N1 C14 109.956
N4 C7 H8 107.990 N4 C7 H9 107.401
N4 C7 C14 116.903 H5 N4 H6 107.944
H5 N4 C7 110.668 H6 N4 C7 111.319
C7 C14 C10 110.805 C7 C14 H15 107.547
H8 C7 H9 107.005 H8 C7 C14 108.793
H9 C7 C14 108.335 C10 C14 H15 108.185
H11 C10 H12 108.490 H11 C10 H13 107.462
H11 C10 C14 111.215 H12 C10 H13 107.829
H12 C10 C14 110.276 H13 C10 C14 111.436
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.745     -0.936
2 H 0.294     0.302
3 H 0.314     0.368
4 N -0.731     -1.007
5 H 0.309     0.387
6 H 0.299     0.354
7 C -0.231     0.361
8 H 0.200     -0.012
9 H 0.207     0.004
10 C -0.616     -0.476
11 H 0.205     0.085
12 H 0.214     0.125
13 H 0.200     0.135
14 C -0.080     0.355
15 H 0.161     -0.044


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.965 1.172 1.759 2.323
CHELPG        
AIM        
ESP 0.961 1.162 1.721 2.288


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 8.296 -0.225 -0.086
y -0.225 7.656 -0.008
z -0.086 -0.008 6.751


<r2> (average value of r2) Å2
<r2> 144.737
(<r2>)1/2 12.031