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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-229.763109
Energy at 298.15K-229.775226
Nuclear repulsion energy194.140398
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 3716 3575 2.96      
2 A 3638 3500 0.60      
3 A 3588 3452 1.02      
4 A 3525 3391 2.45      
5 A 3127 3008 40.85      
6 A 3108 2990 39.38      
7 A 3095 2977 29.89      
8 A 3040 2924 42.29      
9 A 3031 2915 39.27      
10 A 2879 2770 116.40      
11 A 1695 1631 53.27      
12 A 1693 1629 22.31      
13 A 1546 1488 3.77      
14 A 1535 1476 5.61      
15 A 1517 1459 0.88      
16 A 1451 1396 10.02      
17 A 1430 1375 4.05      
18 A 1415 1361 19.73      
19 A 1389 1336 6.50      
20 A 1374 1322 10.30      
21 A 1272 1223 1.17      
22 A 1210 1164 2.10      
23 A 1189 1144 3.86      
24 A 1124 1081 39.13      
25 A 1054 1014 7.36      
26 A 1026 987 2.34      
27 A 957 921 2.13      
28 A 887 853 3.55      
29 A 842 810 16.53      
30 A 659 634 187.98      
31 A 517 497 41.23      
32 A 479 461 34.05      
33 A 390 375 113.46      
34 A 374 359 22.48      
35 A 331 318 174.67      
36 A 261 251 15.07      
37 A 228 219 2.27      
38 A 195 188 162.51      
39 A 131 126 3.87      

Unscaled Zero Point Vibrational Energy (zpe) 30457.0 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 29299.6 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
0.26543 0.11502 0.08803

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 0.481 1.395 -0.178
H2 -0.374 1.905 0.021
H3 1.308 1.940 0.039
N4 -2.037 -0.122 0.043
H5 -2.325 0.642 -0.548
H6 -2.350 -0.067 1.001
C7 -0.739 -0.728 -0.220
H8 -0.734 -1.751 0.181
H9 -0.614 -0.802 -1.307
C10 1.791 -0.672 -0.042
H11 1.805 -1.706 0.323
H12 1.899 -0.680 -1.132
H13 2.662 -0.157 0.382
C14 0.485 0.027 0.350
H15 0.398 0.001 1.458

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01431.01402.94812.92863.39742.44933.39192.70192.45163.40932.68882.73461.46642.1512
H21.01431.68232.62212.39282.95892.66893.67703.02413.36604.22793.62973.68672.09042.5070
H31.01401.68233.92993.90244.28243.37314.22093.60872.65793.69082.93012.51902.10572.5700
N42.94812.62213.92991.00831.00941.45652.09072.07583.86854.16554.14544.71122.54502.8189
H52.92862.39283.90241.00831.70422.12162.96522.36404.35054.83054.46445.13533.01343.4424
H63.39742.95894.28241.00941.70422.12672.47362.97994.31314.51794.79385.05072.91022.7864
C72.44932.66893.37311.45652.12162.12671.09891.09652.53712.77942.79173.50071.54712.1539
H83.39193.67704.22092.09072.96522.47361.09891.76932.75502.54373.13133.75692.16252.4453
H92.70193.02413.60872.07582.36402.97991.09651.76932.72043.05412.52183.74152.15413.0515
C102.45163.36602.65793.86854.35054.31312.53712.75502.72041.09641.09581.09721.53282.1550
H113.40934.22793.69084.16554.83054.51792.77942.54373.05411.09641.78331.77142.17912.4862
H122.68883.62972.93014.14544.46444.79382.79173.13132.52181.09581.78331.77482.16753.0704
H132.73463.68672.51904.71125.13535.05073.50073.75693.74151.09721.77141.77482.18492.5116
C141.46642.09042.10572.54503.01342.91021.54712.16252.15411.53282.17912.16752.18491.1116
H152.15122.50702.57002.81893.44242.78642.15392.44533.05152.15502.48623.07042.51161.1116

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 108.706 N1 C14 C10 109.634
N1 C14 H15 112.386 H2 N1 H3 112.073
H2 N1 C14 113.591 H3 N1 C14 114.974
N4 C7 H8 109.002 N4 C7 H9 107.971
N4 C7 C14 115.805 H5 N4 H6 115.264
H5 N4 C7 117.654 H6 N4 C7 118.048
C7 C14 C10 110.920 C7 C14 H15 107.078
H8 C7 H9 107.400 H8 C7 C14 108.435
H9 C7 C14 107.924 C10 C14 H15 108.107
H11 C10 H12 108.878 H11 C10 H13 107.710
H11 C10 C14 110.861 H12 C10 H13 108.049
H12 C10 C14 109.976 H13 C10 C14 111.274
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 -0.701      
2 H 0.263      
3 H 0.273      
4 N -0.724      
5 H 0.289      
6 H 0.281      
7 C -0.074      
8 H 0.124      
9 H 0.141      
10 C -0.400      
11 H 0.128      
12 H 0.147      
13 H 0.123      
14 C 0.043      
15 H 0.088      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.274 1.105 1.487 1.872
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 7.525 -0.256 -0.110
y -0.256 6.877 -0.266
z -0.110 -0.266 5.958


<r2> (average value of r2) Å2
<r2> 145.253
(<r2>)1/2 12.052