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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-228.310765
Energy at 298.15K-228.323143
HF Energy-228.310765
Nuclear repulsion energy195.021165
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 HSEh1PBE/3-21G
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 3598 3466 0.66      
2 A 3538 3408 0.74      
3 A 3481 3353 0.31      
4 A 3438 3311 4.61      
5 A 3155 3039 24.43      
6 A 3133 3018 25.43      
7 A 3129 3015 19.51      
8 A 3066 2954 41.04      
9 A 3062 2949 15.39      
10 A 2929 2822 85.42      
11 A 1711 1648 4.38      
12 A 1705 1642 56.55      
13 A 1566 1508 6.29      
14 A 1549 1492 7.09      
15 A 1518 1463 2.77      
16 A 1448 1395 17.87      
17 A 1426 1374 3.52      
18 A 1422 1370 6.76      
19 A 1392 1341 6.97      
20 A 1369 1319 8.64      
21 A 1292 1244 1.35      
22 A 1224 1179 2.79      
23 A 1181 1137 0.62      
24 A 1115 1075 15.72      
25 A 1070 1030 4.91      
26 A 1039 1001 0.83      
27 A 965 930 4.81      
28 A 893 861 3.79      
29 A 853 822 28.37      
30 A 730 703 147.12      
31 A 592 570 258.12      
32 A 499 480 9.58      
33 A 463 446 36.02      
34 A 393 378 88.86      
35 A 366 353 2.33      
36 A 260 251 10.06      
37 A 239 230 3.62      
38 A 204 197 109.99      
39 A 120 116 14.23      

Unscaled Zero Point Vibrational Energy (zpe) 30565.6 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 29443.8 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 HSEh1PBE/3-21G
ABC
0.26758 0.11721 0.08976

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.568 1.397 -0.209
H2 -0.249 1.958 0.062
H3 1.398 1.887 0.147
N4 -2.103 -0.114 0.030
H5 -2.213 0.820 -0.380
H6 -2.293 -0.059 1.039
C7 -0.754 -0.696 -0.241
H8 -0.756 -1.722 0.143
H9 -0.620 -0.734 -1.326
C10 1.759 -0.726 -0.028
H11 1.722 -1.758 0.339
H12 1.851 -0.732 -1.119
H13 2.645 -0.238 0.394
C14 0.476 0.021 0.352
H15 0.376 0.005 1.455

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02661.02703.07772.84573.44452.47643.40692.68382.44143.40392.64742.71091.48912.1779
H21.02661.65022.78052.31323.03412.71883.71583.05143.35304.21513.61063.64722.08842.4793
H31.02701.65024.03353.80224.26693.38434.20243.62062.64363.66382.94372.47552.09102.5089
N43.07772.78054.03351.02561.02831.49342.10072.10293.90984.17444.16274.76272.60222.8619
H52.84572.31323.80221.02561.67092.10852.97632.41864.27664.75894.41235.03152.89943.2768
H63.44453.03414.26691.02831.67092.10042.43532.97464.24274.41554.71994.98302.85422.7027
C72.47642.71883.38431.49342.10852.10041.09541.09402.52202.75602.74893.48791.54282.1555
H83.40693.71584.20242.10072.97632.43531.09541.77542.70972.48583.06003.71872.14472.4466
H92.68383.05143.62062.10292.41862.97461.09401.77542.70923.05012.47883.72272.14203.0450
C102.44143.35302.64363.90984.27664.24272.52202.70972.70921.09551.09421.09631.53252.1552
H113.40394.21513.66384.17444.75894.41552.75602.48583.05011.09551.78691.77892.17182.4825
H122.64743.61062.94374.16274.41234.71992.74893.06002.47881.09421.78691.77822.14963.0561
H132.71093.64722.47554.76275.03154.98303.48793.71873.72271.09631.77891.77822.18442.5160
C141.48912.08842.09102.60222.89942.85421.54282.14472.14201.53252.17182.14962.18441.1071
H152.17792.47932.50892.86193.27682.70272.15552.44663.04502.15522.48253.05612.51601.1071

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 109.511 N1 C14 C10 107.792
N1 C14 H15 113.218 H2 N1 H3 106.948
H2 N1 C14 110.890 H3 N1 C14 111.080
N4 C7 H8 107.482 N4 C7 H9 107.734
N4 C7 C14 117.967 H5 N4 H6 108.889
H5 N4 C7 112.330 H6 N4 C7 111.471
C7 C14 C10 110.187 C7 C14 H15 107.728
H8 C7 H9 108.369 H8 C7 C14 107.557
H9 C7 C14 107.425 C10 C14 H15 108.394
H11 C10 H12 109.382 H11 C10 H13 108.513
H11 C10 C14 110.363 H12 C10 H13 108.542
H12 C10 C14 108.694 H13 C10 C14 111.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.686      
2 H 0.262      
3 H 0.279      
4 N -0.708      
5 H 0.288      
6 H 0.279      
7 C -0.220      
8 H 0.209      
9 H 0.231      
10 C -0.601      
11 H 0.207      
12 H 0.227      
13 H 0.203      
14 C -0.144      
15 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.641 1.318 1.657 2.212
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.395 -2.999 -0.910
y -2.999 -30.547 1.451
z -0.910 1.451 -32.967
Traceless
 xyz
x -2.638 -2.999 -0.910
y -2.999 3.134 1.451
z -0.910 1.451 -0.496
Polar
3z2-r2-0.992
x2-y2-3.848
xy-2.999
xz-0.910
yz1.451


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.044 -0.287 -0.124
y -0.287 6.487 -0.214
z -0.124 -0.214 5.599


<r2> (average value of r2) Å2
<r2> 142.834
(<r2>)1/2 11.951