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

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-42.781765
Energy at 298.15K-42.794165
Nuclear repulsion energy112.926476
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/CEP-121G*
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 3545 3437 1.47      
2 A 3532 3424 2.21      
3 A 3456 3350 7.96      
4 A 3452 3347 1.52      
5 A 3090 2996 55.39      
6 A 3072 2978 50.79      
7 A 3064 2971 30.47      
8 A 3017 2925 60.43      
9 A 3008 2916 22.44      
10 A 2894 2805 101.40      
11 A 1697 1645 13.55      
12 A 1686 1635 61.05      
13 A 1510 1464 3.67      
14 A 1500 1454 4.89      
15 A 1480 1435 0.75      
16 A 1419 1375 3.72      
17 A 1409 1366 8.35      
18 A 1396 1353 2.86      
19 A 1369 1327 13.88      
20 A 1338 1298 12.50      
21 A 1259 1220 1.14      
22 A 1203 1166 4.63      
23 A 1151 1116 5.76      
24 A 1084 1051 12.37      
25 A 1045 1013 14.00      
26 A 1006 975 1.57      
27 A 945 916 15.47      
28 A 911 883 110.35      
29 A 884 857 101.51      
30 A 843 818 89.53      
31 A 788 763 51.70      
32 A 481 466 1.71      
33 A 461 447 21.99      
34 A 360 349 0.99      
35 A 353 342 54.68      
36 A 252 245 9.08      
37 A 235 228 30.17      
38 A 213 206 26.78      
39 A 116 112 6.05      

Unscaled Zero Point Vibrational Energy (zpe) 30261.6 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 29335.6 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/CEP-121G*
ABC
0.26102 0.11416 0.08714

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.470 1.400 -0.245
H2 -0.309 1.936 0.141
H3 1.317 1.891 0.045
N4 -2.083 -0.174 0.016
H5 -2.173 0.704 -0.494
H6 -2.218 0.031 1.007
C7 -0.743 -0.757 -0.213
H8 -0.734 -1.765 0.226
H9 -0.617 -0.874 -1.298
C10 1.788 -0.669 -0.023
H11 1.801 -1.699 0.357
H12 1.918 -0.697 -1.112
H13 2.653 -0.145 0.408
C14 0.468 0.035 0.341
H15 0.379 0.058 1.447

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02101.02123.00992.74413.26582.47473.41882.73142.46313.42612.69222.75271.48492.1611
H21.02101.62942.75932.32282.83232.75043.72633.17203.34804.20863.66933.62932.06292.3884
H31.02121.62943.97793.72554.10903.36524.19643.63162.60423.63642.89832.46222.06262.4916
N43.00992.75933.97791.01991.02151.47822.09602.08933.90204.18624.18934.75142.57922.8566
H52.74412.32283.72551.01991.64592.06332.94742.35764.21854.72164.36824.98212.84913.2708
H63.26582.83234.10901.02151.64592.07042.45792.94964.19544.42444.70454.91082.76742.6343
C72.47472.75043.36521.47822.06332.07041.10001.09872.54002.77272.80983.50631.54942.1634
H83.41883.72634.19642.09602.94742.45791.10001.76972.76112.53953.15683.75882.16762.4604
H92.73143.17203.63162.08932.35762.94961.09871.76972.72963.04402.54763.75932.16523.0654
C102.46313.34802.60423.90204.21854.19542.54002.76112.72961.09781.09781.09931.53982.1620
H113.42614.20863.63644.18624.72164.42442.77272.53953.04401.09781.78201.77302.18782.5099
H122.69223.66932.89834.18934.36824.70452.80983.15682.54761.09781.78201.77692.17973.0806
H132.75273.62932.46224.75144.98214.91083.50633.75883.75931.09931.77301.77692.19352.5080
C141.48492.06292.06262.57922.84912.76741.54942.16762.16521.53982.18782.17972.19351.1102
H152.16112.38842.49162.85663.27082.63432.16342.46043.06542.16202.50993.08062.50801.1102

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 109.270 N1 C14 C10 109.030
N1 C14 H15 111.961 H2 N1 H3 105.849
H2 N1 C14 109.416 H3 N1 C14 109.386
N4 C7 H8 107.879 N4 C7 H9 107.434
N4 C7 C14 116.818 H5 N4 H6 107.465
H5 N4 C7 110.012 H6 N4 C7 110.512
C7 C14 C10 110.610 C7 C14 H15 107.718
H8 C7 H9 107.207 H8 C7 C14 108.614
H9 C7 C14 108.504 C10 C14 H15 108.249
H11 C10 H12 108.516 H11 C10 H13 107.600
H11 C10 C14 110.974 H12 C10 H13 107.953
H12 C10 C14 110.340 H13 C10 C14 111.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.688      
2 H 0.282      
3 H 0.303      
4 N -0.625      
5 H 0.300      
6 H 0.289      
7 C -0.283      
8 H 0.150      
9 H 0.155      
10 C -0.587      
11 H 0.161      
12 H 0.170      
13 H 0.159      
14 C 0.100      
15 H 0.116      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.032 1.190 1.797 2.389
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 8.703 -0.209 -0.062
y -0.209 8.020 -0.053
z -0.062 -0.053 7.145


<r2> (average value of r2) Å2
<r2> 123.122
(<r2>)1/2 11.096