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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-229.516251
Energy at 298.15K-229.528629
Nuclear repulsion energy194.018816
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 PBEPBE/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 3464 3415 0.76      
2 A 3453 3403 1.27      
3 A 3367 3318 8.29      
4 A 3365 3317 2.40      
5 A 3067 3023 26.24      
6 A 3050 3007 30.10      
7 A 3025 2982 27.63      
8 A 2980 2938 33.85      
9 A 2972 2929 29.56      
10 A 2828 2788 92.80      
11 A 1649 1626 1.32      
12 A 1637 1613 55.35      
13 A 1483 1462 3.02      
14 A 1471 1450 4.89      
15 A 1450 1429 0.74      
16 A 1387 1367 6.03      
17 A 1378 1359 8.52      
18 A 1371 1351 1.71      
19 A 1346 1327 13.13      
20 A 1312 1293 11.79      
21 A 1244 1226 1.61      
22 A 1185 1168 4.62      
23 A 1145 1129 3.49      
24 A 1097 1081 7.34      
25 A 1033 1018 12.95      
26 A 1005 991 1.43      
27 A 944 930 18.91      
28 A 901 888 120.81      
29 A 875 863 74.34      
30 A 827 815 81.91      
31 A 786 775 48.41      
32 A 483 476 4.46      
33 A 461 455 24.28      
34 A 368 363 53.33      
35 A 356 351 1.11      
36 A 251 247 5.04      
37 A 243 240 48.51      
38 A 219 215 16.34      
39 A 117 116 6.38      

Unscaled Zero Point Vibrational Energy (zpe) 29796.4 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 29370.4 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 PBEPBE/6-31G*
ABC
0.26396 0.11550 0.08826

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.475 1.392 -0.226
H2 -0.322 1.910 0.166
H3 1.310 1.894 0.101
N4 -2.065 -0.139 0.021
H5 -2.120 0.755 -0.481
H6 -2.187 0.077 1.019
C7 -0.744 -0.738 -0.203
H8 -0.747 -1.753 0.238
H9 -0.617 -0.857 -1.295
C10 1.780 -0.673 -0.036
H11 1.785 -1.715 0.327
H12 1.898 -0.681 -1.134
H13 2.658 -0.162 0.397
C14 0.477 0.033 0.345
H15 0.395 0.033 1.461

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02801.02762.97592.68443.21962.45383.40522.71822.44953.41652.67322.75121.47422.1680
H21.02801.63292.69382.23282.75072.70613.68753.14203.33564.19553.65093.63682.04752.3905
H31.02761.63293.94053.66074.04613.35204.18873.63662.61293.64682.91572.47642.05362.4800
N42.97592.69383.94051.02681.02821.46762.09452.08453.88204.17144.16384.73822.56782.8553
H52.68442.23283.66071.02681.64762.04922.94792.34964.17684.69104.31724.94432.81913.2585
H63.21962.75074.04611.02821.64762.05882.45522.94814.17244.41194.67964.89062.74752.6193
C72.45382.70613.35201.46762.04922.05881.10661.10562.53022.76282.80223.50261.54412.1588
H83.40523.68754.18872.09452.94792.45521.10661.78072.76162.53423.16713.76192.16702.4467
H92.71823.14203.63662.08452.34962.94811.10561.78072.71303.02262.52643.75122.16253.0676
C102.44953.33562.61293.88204.17684.17242.53022.76162.71301.10361.10381.10491.53042.1585
H113.41654.19553.64684.17144.69104.41192.76282.53423.02261.10361.79311.78282.18342.5049
H122.67323.65092.91574.16384.31724.67962.80223.16712.52641.10381.79311.78642.17243.0830
H132.75123.63682.47644.73824.94434.89063.50263.76193.75121.10491.78281.78642.19112.5088
C141.47422.04752.05362.56782.81912.74751.54412.16702.16251.53042.18342.17242.19111.1189
H152.16802.39052.48002.85533.25852.61932.15882.44673.06762.15852.50493.08302.50881.1189

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 108.754 N1 C14 C10 109.215
N1 C14 H15 112.740 H2 N1 H3 105.192
H2 N1 C14 108.509 H3 N1 C14 109.034
N4 C7 H8 108.095 N4 C7 H9 107.372
N4 C7 C14 116.972 H5 N4 H6 106.593
H5 N4 C7 109.202 H6 N4 C7 109.913
C7 C14 C10 110.761 C7 C14 H15 107.243
H8 C7 H9 107.206 H8 C7 C14 108.547
H9 C7 C14 108.257 C10 C14 H15 108.126
H11 C10 H12 108.645 H11 C10 H13 107.659
H11 C10 C14 110.943 H12 C10 H13 107.950
H12 C10 C14 110.060 H13 C10 C14 111.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.696      
2 H 0.279      
3 H 0.296      
4 N -0.695      
5 H 0.301      
6 H 0.290      
7 C -0.168      
8 H 0.147      
9 H 0.160      
10 C -0.485      
11 H 0.158      
12 H 0.171      
13 H 0.150      
14 C -0.016      
15 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.969 1.190 1.735 2.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.717 -2.781 -0.867
y -2.781 -30.939 1.817
z -0.867 1.817 -33.302
Traceless
 xyz
x -3.596 -2.781 -0.867
y -2.781 3.570 1.817
z -0.867 1.817 0.026
Polar
3z2-r20.052
x2-y2-4.778
xy-2.781
xz-0.867
yz1.817


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.035 -0.222 -0.107
y -0.222 7.384 -0.069
z -0.107 -0.069 6.368


<r2> (average value of r2) Å2
<r2> 144.762
(<r2>)1/2 12.032