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

using model chemistry: HF/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 HF/CEP-121G
 hartrees
Energy at 0K-41.545907
Energy at 298.15K-41.558431
Nuclear repulsion energy113.394036
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 HF/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 3898 3557 2.23      
2 A 3852 3515 0.22      
3 A 3760 3431 0.81      
4 A 3731 3404 0.71      
5 A 3245 2961 111.25      
6 A 3233 2950 1.05      
7 A 3220 2938 71.14      
8 A 3169 2892 66.92      
9 A 3139 2864 34.23      
10 A 3064 2796 111.78      
11 A 1835 1675 57.14      
12 A 1826 1666 42.06      
13 A 1639 1496 3.83      
14 A 1632 1489 6.42      
15 A 1622 1480 0.63      
16 A 1550 1415 9.73      
17 A 1543 1408 2.78      
18 A 1518 1385 26.14      
19 A 1481 1351 5.71      
20 A 1464 1336 7.43      
21 A 1354 1236 1.58      
22 A 1300 1186 3.96      
23 A 1265 1154 8.90      
24 A 1191 1087 45.91      
25 A 1117 1019 10.16      
26 A 1091 996 2.86      
27 A 1027 937 0.14      
28 A 948 865 4.21      
29 A 890 812 23.16      
30 A 767 700 225.00      
31 A 572 522 229.51      
32 A 507 462 50.95      
33 A 482 440 91.26      
34 A 390 356 0.52      
35 A 328 299 82.25      
36 A 271 248 9.05      
37 A 241 220 4.45      
38 A 200 182 69.17      
39 A 129 118 6.31      

Unscaled Zero Point Vibrational Energy (zpe) 32243.9 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 29422.6 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 HF/CEP-121G
ABC
0.26375 0.11459 0.08753

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.487 1.400 -0.188
H2 -0.304 1.955 0.062
H3 1.345 1.894 -0.049
N4 -2.053 -0.149 0.036
H5 -2.320 0.633 -0.521
H6 -2.337 -0.089 0.990
C7 -0.740 -0.738 -0.237
H8 -0.733 -1.753 0.154
H9 -0.620 -0.802 -1.313
C10 1.787 -0.677 -0.023
H11 1.798 -1.699 0.346
H12 1.914 -0.696 -1.102
H13 2.641 -0.161 0.409
C14 0.470 0.025 0.346
H15 0.373 0.025 1.438

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N10.99920.99982.98322.92983.40322.46553.39802.70912.45523.40662.69482.72581.47442.1318
H20.99921.65462.73562.48073.02862.74493.73433.09733.36324.22573.64773.64362.09912.4656
H30.99981.65463.96563.90534.30963.36324.20283.56762.60893.64322.85312.47212.10112.5784
N42.98322.73563.96560.99620.99731.46532.08082.07383.87664.16284.16324.70922.54782.8075
H52.92982.48073.90530.99621.67472.11202.94402.36194.34004.81164.47605.11042.98473.3859
H63.40323.02864.30960.99731.67472.11642.45792.96014.28764.48424.77715.01312.88262.7499
C72.46552.74493.36321.46532.11202.11641.08731.08482.53632.77512.79163.49041.54442.1503
H83.39803.73434.20282.08082.94402.45791.08731.75182.74622.53903.11533.74052.15572.4563
H92.70913.09733.56762.07382.36192.96011.08481.75182.73323.06602.54483.74332.15003.0389
C102.45523.36322.60893.87664.34004.28762.53632.74622.73321.08701.08621.08811.53742.1506
H113.40664.22573.64324.16284.81164.48422.77512.53903.06601.08701.76551.75602.17642.4885
H122.69483.64772.85314.16324.47604.77712.79163.11532.54481.08621.76551.76052.16823.0565
H132.72583.64362.47214.70925.11045.01313.49043.74053.74331.08811.75601.76052.18032.4972
C141.47442.09912.10112.54782.98472.88261.54442.15572.15001.53742.17642.16822.18031.0961
H152.13182.46562.57842.80753.38592.74992.15032.45633.03892.15062.48853.05652.49721.0961

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 109.492 N1 C14 C10 109.194
N1 C14 H15 111.206 H2 N1 H3 111.726
H2 N1 C14 114.759 H3 N1 C14 114.893
N4 C7 H8 108.303 N4 C7 H9 107.894
N4 C7 C14 115.649 H5 N4 H6 114.302
H5 N4 C7 116.903 H6 N4 C7 117.234
C7 C14 C10 110.771 C7 C14 H15 107.841
H8 C7 H9 107.512 H8 C7 C14 108.751
H9 C7 C14 108.452 C10 C14 H15 108.330
H11 C10 H12 108.664 H11 C10 H13 107.670
H11 C10 C14 110.879 H12 C10 H13 108.124
H12 C10 C14 110.278 H13 C10 C14 111.125
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.749      
2 H 0.277      
3 H 0.288      
4 N -0.730      
5 H 0.294      
6 H 0.281      
7 C -0.113      
8 H 0.125      
9 H 0.138      
10 C -0.509      
11 H 0.141      
12 H 0.156      
13 H 0.140      
14 C 0.176      
15 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.780 1.019 1.656 2.095
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 7.447 -0.193 -0.083
y -0.193 6.925 -0.140
z -0.083 -0.140 6.353


<r2> (average value of r2) Å2
<r2> 122.967
(<r2>)1/2 11.089