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

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-226.794409
Energy at 298.15K-226.806605
Nuclear repulsion energy189.823902
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 BLYP/STO-3G
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 3497 3236 18.89      
2 A 3391 3138 29.30      
3 A 3364 3112 3.20      
4 A 3360 3109 3.53      
5 A 3326 3077 3.64      
6 A 3313 3065 22.61      
7 A 3246 3003 6.27      
8 A 3215 2975 11.41      
9 A 3198 2958 3.74      
10 A 3186 2947 32.16      
11 A 1829 1692 3.82      
12 A 1796 1662 4.36      
13 A 1641 1518 3.83      
14 A 1640 1517 1.79      
15 A 1608 1488 0.91      
16 A 1518 1404 0.66      
17 A 1499 1387 18.79      
18 A 1464 1355 4.59      
19 A 1433 1326 1.27      
20 A 1387 1283 33.87      
21 A 1355 1254 6.24      
22 A 1272 1177 62.54      
23 A 1238 1146 6.33      
24 A 1147 1061 2.20      
25 A 1110 1027 5.69      
26 A 1061 982 9.61      
27 A 1019 943 36.62      
28 A 968 895 42.73      
29 A 919 850 9.35      
30 A 900 833 7.34      
31 A 817 756 9.73      
32 A 499 462 11.97      
33 A 450 416 10.98      
34 A 439 406 36.71      
35 A 347 321 9.52      
36 A 308 285 30.43      
37 A 246 228 10.48      
38 A 208 192 0.12      
39 A 138 127 3.91      

Unscaled Zero Point Vibrational Energy (zpe) 31674.8 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 29305.5 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 BLYP/STO-3G
ABC
0.24950 0.11306 0.08609

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.216 1.449 0.107
H2 -0.960 2.041 -0.395
H3 -0.580 1.463 1.118
N4 2.081 -0.104 0.030
H5 1.709 0.912 0.154
H6 2.207 -0.116 -1.044
C7 0.742 -0.852 0.203
H8 0.789 -1.848 -0.290
H9 0.581 -1.011 1.296
C10 -1.882 -0.590 0.043
H11 -1.991 -1.627 -0.337
H12 -1.985 -0.611 1.147
H13 -2.707 0.022 -0.377
C14 -0.479 -0.002 -0.370
H15 -0.409 0.025 -1.485

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.07461.07512.77431.99913.10532.49363.46952.84572.63393.57872.90802.91151.54982.1440
H21.07461.66343.74562.94913.88573.40824.26503.81332.82173.80983.23442.66992.09852.3565
H31.07511.66343.27492.54453.86472.81833.85012.73872.65873.69542.50582.97312.09122.9787
N42.77433.74563.27491.08991.08151.54362.19392.16163.99334.36314.24744.80762.59342.9174
H51.99912.94912.54451.08991.65542.01252.94362.50473.89474.51444.11784.53652.42872.8208
H63.10533.88573.86471.08151.65542.05962.36162.98584.25724.51684.75564.96082.77102.6558
C72.49363.40822.81831.54362.01252.05961.11311.11552.64182.89152.89553.60491.59382.2226
H83.46954.26503.85012.19392.94362.36161.11311.80542.97132.78923.36013.96582.24092.5238
H92.84573.81332.73872.16162.50472.98581.11551.80542.79573.10842.60153.83142.21733.1276
C102.63392.82172.65873.99333.89474.25722.64182.97132.79571.10931.10941.10971.57662.2096
H113.57873.80983.69544.36314.51444.51682.89152.78923.10841.10931.79811.79792.21982.5592
H122.90803.23442.50584.24744.11784.75562.89553.36012.60151.10941.79811.80182.22323.1330
H132.91152.66992.97314.80764.53654.96083.60493.96583.83141.10971.79791.80182.22852.5514
C141.54982.09852.09122.59342.42872.77101.59382.24092.21731.57662.21982.22322.22851.1168
H152.14402.35652.97872.91742.82082.65582.22262.52383.12762.20962.55923.13302.55141.1168

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 104.972 N1 C14 C10 114.804
N1 C14 H15 105.889 H2 N1 H3 101.389
H2 N1 C14 104.731 H3 N1 C14 104.166
N4 C7 H8 110.291 N4 C7 H9 107.671
N4 C7 C14 111.491 H5 N4 H6 99.351
H5 N4 C7 98.190 H6 N4 C7 101.919
C7 C14 C10 112.871 C7 C14 H15 108.890
H8 C7 H9 108.210 H8 C7 C14 110.503
H9 C7 C14 108.558 C10 C14 H15 109.043
H11 C10 H12 108.272 H11 C10 H13 108.234
H11 C10 C14 110.259 H12 C10 H13 108.570
H12 C10 C14 110.512 H13 C10 C14 110.913
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.351      
2 H 0.149      
3 H 0.149      
4 N -0.352      
5 H 0.159      
6 H 0.126      
7 C -0.076      
8 H 0.069      
9 H 0.066      
10 C -0.222      
11 H 0.078      
12 H 0.070      
13 H 0.069      
14 C 0.000      
15 H 0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.132 0.413 -0.710 3.238
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.851 -1.007 -2.579
y -1.007 -30.266 0.669
z -2.579 0.669 -29.038
Traceless
 xyz
x -6.199 -1.007 -2.579
y -1.007 2.179 0.669
z -2.579 0.669 4.020
Polar
3z2-r28.040
x2-y2-5.586
xy-1.007
xz-2.579
yz0.669


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.268 -0.109 -0.221
y -0.109 4.263 0.104
z -0.221 0.104 3.775


<r2> (average value of r2) Å2
<r2> 146.850
(<r2>)1/2 12.118