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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-229.766380
Energy at 298.15K-229.778881
Nuclear repulsion energy195.189970
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 B3PW91/6-31G**
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 3615 3465 0.06      
2 A 3600 3450 0.32      
3 A 3515 3368 2.58      
4 A 3514 3368 0.88      
5 A 3140 3010 27.35      
6 A 3125 2995 31.02      
7 A 3100 2971 28.50      
8 A 3050 2923 39.97      
9 A 3044 2917 23.43      
10 A 2915 2793 88.08      
11 A 1667 1597 3.03      
12 A 1656 1587 59.62      
13 A 1510 1447 2.60      
14 A 1498 1436 5.03      
15 A 1482 1420 0.64      
16 A 1425 1366 2.96      
17 A 1412 1353 14.83      
18 A 1401 1342 4.22      
19 A 1381 1323 9.24      
20 A 1344 1288 9.71      
21 A 1268 1216 1.07      
22 A 1209 1159 4.74      
23 A 1179 1130 5.16      
24 A 1127 1080 12.16      
25 A 1054 1010 11.89      
26 A 1027 984 1.13      
27 A 961 921 9.19      
28 A 906 868 77.55      
29 A 884 848 87.36      
30 A 839 804 98.04      
31 A 796 763 92.76      
32 A 495 474 2.38      
33 A 470 450 24.56      
34 A 369 354 52.30      
35 A 366 351 3.88      
36 A 257 247 9.16      
37 A 245 235 36.31      
38 A 224 214 23.71      
39 A 121 116 5.82      

Unscaled Zero Point Vibrational Energy (zpe) 30593.9 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 29321.2 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 B3PW91/6-31G**
ABC
0.26669 0.11676 0.08915

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.479 1.385 -0.220
H2 -0.308 1.910 0.151
H3 1.312 1.881 0.085
N4 -2.052 -0.136 0.025
H5 -2.133 0.740 -0.482
H6 -2.188 0.067 1.012
C7 -0.742 -0.731 -0.206
H8 -0.742 -1.741 0.226
H9 -0.616 -0.846 -1.289
C10 1.768 -0.675 -0.034
H11 1.772 -1.707 0.331
H12 1.889 -0.689 -1.122
H13 2.640 -0.168 0.395
C14 0.472 0.034 0.342
H15 0.390 0.035 1.448

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01631.01632.96272.70323.22012.44363.38542.70532.43733.39642.66502.73151.46372.1479
H21.01631.62192.69062.25802.76952.70013.67683.12453.32064.17593.63323.61512.04092.3842
H31.01631.62193.92243.67314.04983.33604.16603.61112.59893.62542.89712.46142.04552.4730
N42.96272.69063.92241.01511.01641.45672.08102.07203.85824.14504.14114.70632.54922.8310
H52.70322.25803.67311.01511.63892.04312.93062.33854.17404.67924.31574.93712.82203.2536
H63.22012.76954.04981.01641.63892.05192.44482.93264.15924.39234.66344.87312.74372.6152
C72.44362.70013.33601.45672.04312.05191.09781.09682.51722.74982.78653.48121.53622.1455
H83.38543.67684.16602.08102.93062.44481.09781.76412.73982.51653.13783.73372.15312.4345
H92.70533.12453.61112.07202.33852.93261.09681.76412.69973.01122.51493.72782.14863.0460
C102.43733.32062.59893.85824.17404.15922.51722.73982.69971.09471.09501.09591.52422.1445
H113.39644.17593.62544.14504.67924.39232.74982.51653.01121.09471.77841.76782.17222.4878
H122.66503.63322.89714.14114.31574.66342.78653.13782.51491.09501.77841.77172.16143.0618
H132.73153.61512.46144.70634.93714.87313.48123.73373.72781.09591.76781.77172.17782.4921
C141.46372.04092.04552.54922.82202.74371.53622.15312.14861.52422.17222.16142.17781.1092
H152.14792.38422.47302.83103.25362.61522.14552.43453.04602.14452.48783.06182.49211.1092

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 109.070 N1 C14 C10 109.302
N1 C14 H15 112.468 H2 N1 H3 105.867
H2 N1 C14 109.434 H3 N1 C14 109.822
N4 C7 H8 108.284 N4 C7 H9 107.643
N4 C7 C14 116.779 H5 N4 H6 107.557
H5 N4 C7 110.215 H6 N4 C7 110.875
C7 C14 C10 110.678 C7 C14 H15 107.300
H8 C7 H9 106.995 H8 C7 C14 108.514
H9 C7 C14 108.224 C10 C14 H15 108.013
H11 C10 H12 108.616 H11 C10 H13 107.610
H11 C10 C14 111.017 H12 C10 H13 107.935
H12 C10 C14 110.145 H13 C10 C14 111.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.625      
2 H 0.239      
3 H 0.254      
4 N -0.637      
5 H 0.259      
6 H 0.248      
7 C -0.084      
8 H 0.121      
9 H 0.135      
10 C -0.383      
11 H 0.128      
12 H 0.143      
13 H 0.119      
14 C -0.004      
15 H 0.087      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.950 1.172 1.698 2.272
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 143.318
(<r2>)1/2 11.972