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

using model chemistry: PBEPBE/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-229.614990
Energy at 298.15K-229.627299
Nuclear repulsion energy194.428244
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/cc-pVTZ
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 3485 3461 0.02      
2 A 3472 3448 0.35      
3 A 3396 3373 4.65      
4 A 3396 3372 0.95      
5 A 3040 3019 26.19      
6 A 3027 3006 29.82      
7 A 2996 2975 25.94      
8 A 2962 2941 33.30      
9 A 2951 2930 30.96      
10 A 2826 2807 81.03      
11 A 1602 1591 2.94      
12 A 1593 1582 50.29      
13 A 1449 1439 3.59      
14 A 1437 1427 6.17      
15 A 1419 1410 0.84      
16 A 1357 1348 3.66      
17 A 1351 1341 11.11      
18 A 1346 1336 1.46      
19 A 1320 1311 10.82      
20 A 1292 1284 6.81      
21 A 1225 1217 1.17      
22 A 1165 1157 2.72      
23 A 1129 1122 3.59      
24 A 1078 1071 12.17      
25 A 1016 1009 9.64      
26 A 991 985 0.93      
27 A 926 920 10.26      
28 A 873 867 67.29      
29 A 852 846 66.22      
30 A 803 797 97.32      
31 A 764 759 81.43      
32 A 478 475 1.03      
33 A 454 451 19.15      
34 A 354 352 6.28      
35 A 339 337 39.47      
36 A 248 246 6.06      
37 A 228 226 31.36      
38 A 210 209 14.60      
39 A 118 117 4.30      

Unscaled Zero Point Vibrational Energy (zpe) 29484.0 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 29280.5 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 PBEPBE/cc-pVTZ
ABC
0.26443 0.11586 0.08847

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.491 1.391 -0.222
H2 -0.299 1.924 0.151
H3 1.330 1.884 0.092
N4 -2.063 -0.136 0.028
H5 -2.146 0.754 -0.465
H6 -2.196 0.056 1.023
C7 -0.744 -0.727 -0.213
H8 -0.742 -1.746 0.208
H9 -0.619 -0.826 -1.303
C10 1.769 -0.684 -0.031
H11 1.764 -1.721 0.332
H12 1.894 -0.694 -1.123
H13 2.645 -0.181 0.406
C14 0.474 0.032 0.342
H15 0.383 0.033 1.451

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02251.02212.98572.72333.24872.45193.39752.70532.44453.40802.67062.74011.47192.1575
H21.02251.62982.71472.27142.80232.71243.69663.12743.33274.19203.64513.62792.05272.3940
H31.02211.62983.94853.69664.07943.34814.18043.61772.60763.63892.90542.46862.05562.4836
N42.98572.71473.94851.02101.02231.46452.09002.08183.87094.15294.15874.72282.56112.8349
H52.72332.27143.69661.02101.64472.05452.94512.35244.19314.69564.34234.95842.83463.2540
H63.24872.80234.07941.02231.64472.06132.45482.94614.16904.39524.68024.88602.75572.6151
C72.45192.71243.34811.46452.05452.06131.10231.10172.52042.75272.79153.48831.53862.1493
H83.39753.69664.18042.09002.94512.45481.10231.77272.73642.50873.13453.73552.15732.4446
H92.70533.12743.61772.08182.35242.94611.10171.77272.70943.02502.52313.74032.15323.0545
C102.44453.33272.60763.87094.19314.16902.52042.73642.70941.09911.09971.10021.52582.1516
H113.40804.19203.63894.15294.69564.39522.75272.50873.02501.09911.78581.77552.17652.4971
H122.67063.64512.90544.15874.34234.68022.79153.13452.52311.09971.78581.77932.16613.0724
H132.74013.62792.46864.72284.95844.88603.48833.73553.74031.10021.77551.77932.18252.5003
C141.47192.05272.05562.56112.83462.75571.53862.15732.15321.52582.17652.16612.18251.1130
H152.15752.39402.48362.83493.25402.61512.14932.44463.05452.15162.49713.07242.50031.1130

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 109.048 N1 C14 C10 109.250
N1 C14 H15 112.423 H2 N1 H3 105.715
H2 N1 C14 109.431 H3 N1 C14 109.699
N4 C7 H8 108.194 N4 C7 H9 107.587
N4 C7 C14 117.020 H5 N4 H6 107.207
H5 N4 C7 110.222 H6 N4 C7 110.715
C7 C14 C10 110.665 C7 C14 H15 107.216
H8 C7 H9 107.085 H8 C7 C14 108.415
H9 C7 C14 108.133 C10 C14 H15 108.230
H11 C10 H12 108.613 H11 C10 H13 107.666
H11 C10 C14 110.978 H12 C10 H13 107.958
H12 C10 C14 110.119 H13 C10 C14 111.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.289      
2 H 0.099      
3 H 0.117      
4 N -0.305      
5 H 0.126      
6 H 0.117      
7 C -0.062      
8 H 0.078      
9 H 0.077      
10 C -0.282      
11 H 0.085      
12 H 0.094      
13 H 0.083      
14 C 0.019      
15 H 0.043      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.813 1.011 1.550 2.021
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.947 -2.454 -0.750
y -2.454 -31.829 1.446
z -0.750 1.446 -33.917
Traceless
 xyz
x -3.074 -2.454 -0.750
y -2.454 3.103 1.446
z -0.750 1.446 -0.029
Polar
3z2-r2-0.057
x2-y2-4.118
xy-2.454
xz-0.750
yz1.446


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.450 -0.206 -0.060
y -0.206 8.653 0.044
z -0.060 0.044 7.589


<r2> (average value of r2) Å2
<r2> 144.842
(<r2>)1/2 12.035