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

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-229.835297
Energy at 298.15K-229.847739
HF Energy-229.835297
Nuclear repulsion energy194.592543
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 TPSSh/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 3532 3389 1.08      
2 A 3517 3374 2.07      
3 A 3436 3296 6.65      
4 A 3434 3295 3.49      
5 A 3127 3000 37.80      
6 A 3109 2983 40.06      
7 A 3098 2972 31.13      
8 A 3047 2923 52.23      
9 A 3042 2918 22.11      
10 A 2912 2793 95.94      
11 A 1704 1635 1.47      
12 A 1692 1623 54.02      
13 A 1542 1479 2.39      
14 A 1531 1469 3.46      
15 A 1512 1451 0.44      
16 A 1439 1381 6.42      
17 A 1428 1370 2.76      
18 A 1416 1358 3.62      
19 A 1390 1334 12.72      
20 A 1356 1301 14.93      
21 A 1279 1227 1.30      
22 A 1222 1172 5.46      
23 A 1169 1122 4.53      
24 A 1109 1064 8.25      
25 A 1057 1014 12.87      
26 A 1025 984 1.93      
27 A 965 926 20.62      
28 A 929 891 135.01      
29 A 898 861 82.44      
30 A 852 818 73.44      
31 A 803 770 42.19      
32 A 485 466 4.78      
33 A 460 442 23.46      
34 A 369 354 53.59      
35 A 355 340 1.46      
36 A 248 238 2.74      
37 A 243 233 47.36      
38 A 219 210 18.69      
39 A 116 112 6.62      

Unscaled Zero Point Vibrational Energy (zpe) 30532.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 29293.1 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 TPSSh/6-31G*
ABC
0.26548 0.11610 0.08871

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.474 1.387 -0.218
H2 -0.307 1.920 0.164
H3 1.322 1.879 0.057
N4 -2.056 -0.135 0.025
H5 -2.137 0.748 -0.475
H6 -2.202 0.051 1.016
C7 -0.743 -0.735 -0.210
H8 -0.747 -1.748 0.214
H9 -0.619 -0.835 -1.295
C10 1.778 -0.672 -0.034
H11 1.788 -1.703 0.336
H12 1.893 -0.688 -1.124
H13 2.647 -0.155 0.392
C14 0.472 0.031 0.347
H15 0.389 0.030 1.452

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01931.01922.96202.70013.23502.44553.39112.69972.44383.40302.67212.73381.46892.1537
H21.01931.63322.70202.26512.79462.71613.69383.13253.33194.18843.64663.61712.05172.3909
H31.01921.63323.93343.67864.08453.34224.17853.60042.59293.62322.88302.45062.05512.4976
N42.96202.70203.93341.01811.01911.46292.08552.07293.87204.16314.14994.71772.55432.8361
H52.70012.26513.67861.01811.64702.05312.93892.34194.18834.69834.32774.94582.82873.2577
H63.23502.79464.08451.01911.64702.06192.44832.93804.17954.41144.67944.89372.75702.6277
C72.44552.71613.34221.46292.05312.06191.09801.09642.52782.76392.79013.49161.54052.1517
H83.39113.69384.17852.08552.93892.44831.09801.76872.75612.53823.14413.75362.16022.4457
H92.69973.13253.60042.07292.34192.93801.09641.76872.71333.03402.52213.73862.15313.0515
C102.44383.33192.59293.87204.18834.17952.52782.75612.71331.09581.09601.09741.53082.1523
H113.40304.18843.62324.16314.69834.41142.76392.53823.03401.09581.78111.77172.17642.4915
H122.67213.64662.88304.14994.32774.67942.79013.14412.52211.09601.78111.77542.16763.0686
H132.73383.61712.45064.71774.94584.89373.49163.75363.73861.09741.77171.77542.18322.5017
C141.46892.05172.05512.55432.82872.75701.54052.16022.15311.53082.17642.16762.18321.1086
H152.15372.39092.49762.83613.25772.62772.15172.44573.05152.15232.49153.06862.50171.1086

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 108.682 N1 C14 C10 109.090
N1 C14 H15 112.596 H2 N1 H3 106.485
H2 N1 C14 109.766 H3 N1 C14 110.059
N4 C7 H8 108.206 N4 C7 H9 107.315
N4 C7 C14 116.503 H5 N4 H6 107.895
H5 N4 C7 110.412 H6 N4 C7 111.092
C7 C14 C10 110.776 C7 C14 H15 107.510
H8 C7 H9 107.418 H8 C7 C14 108.754
H9 C7 C14 108.302 C10 C14 H15 108.192
H11 C10 H12 108.704 H11 C10 H13 107.761
H11 C10 C14 110.815 H12 C10 H13 108.081
H12 C10 C14 110.114 H13 C10 C14 111.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.735      
2 H 0.289      
3 H 0.305      
4 N -0.735      
5 H 0.310      
6 H 0.297      
7 C -0.153      
8 H 0.152      
9 H 0.166      
10 C -0.484      
11 H 0.158      
12 H 0.172      
13 H 0.150      
14 C -0.011      
15 H 0.118      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.059 1.154 1.777 2.369
CHELPG        
AIM        
ESP        


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 7.775 -0.235 -0.120
y -0.235 7.184 -0.086
z -0.120 -0.086 6.235


<r2> (average value of r2) Å2
<r2> 144.067
(<r2>)1/2 12.003