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

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G
 hartrees
Energy at 0K-42.626283
Energy at 298.15K-42.638628
Nuclear repulsion energy113.037496
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 B1B95/CEP-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 3732 3574 3.32      
2 A 3709 3551 6.36      
3 A 3598 3445 0.34      
4 A 3566 3414 11.61      
5 A 3165 3030 59.73      
6 A 3148 3014 63.97      
7 A 3131 2998 39.80      
8 A 3056 2926 40.43      
9 A 3001 2874 116.56      
10 A 2930 2805 134.07      
11 A 1677 1606 45.93      
12 A 1650 1580 67.81      
13 A 1506 1442 6.33      
14 A 1497 1434 10.73      
15 A 1491 1427 1.19      
16 A 1428 1367 1.54      
17 A 1413 1353 25.84      
18 A 1385 1327 23.36      
19 A 1367 1309 5.13      
20 A 1309 1253 8.45      
21 A 1261 1207 0.90      
22 A 1208 1157 13.98      
23 A 1179 1129 7.20      
24 A 1125 1077 27.21      
25 A 1047 1003 7.36      
26 A 1020 977 6.82      
27 A 964 923 2.85      
28 A 910 872 7.80      
29 A 850 814 7.10      
30 A 707 677 235.04      
31 A 625 598 291.96      
32 A 499 477 29.65      
33 A 460 440 5.89      
34 A 387 370 44.65      
35 A 329 315 29.53      
36 A 258 247 3.71      
37 A 229 219 11.72      
38 A 221 211 6.93      
39 A 146 140 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 30590.3 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 29290.2 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 B1B95/CEP-31G
ABC
0.26581 0.11538 0.08889

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.463 1.397 -0.206
H2 -0.479 1.789 -0.199
H3 1.180 2.031 0.137
N4 -1.983 -0.032 0.098
H5 -2.744 -0.148 -0.565
H6 -2.281 -0.125 1.065
C7 -0.722 -0.718 -0.242
H8 -0.691 -1.777 0.091
H9 -0.612 -0.705 -1.339
C10 1.808 -0.671 -0.028
H11 1.836 -1.702 0.367
H12 1.909 -0.703 -1.124
H13 2.678 -0.129 0.378
C14 0.491 0.037 0.350
H15 0.388 0.022 1.461

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02021.01712.84843.57733.38562.42503.39042.61872.47383.43772.71042.75301.46962.1625
H21.02021.71062.38013.00262.91752.51983.58442.74553.36364.22703.57363.73932.07672.5756
H31.01711.71063.77644.54314.18253.36484.24313.58832.77873.79653.09762.63912.12032.5329
N42.84842.38013.77641.01551.01711.47472.17112.09603.84594.17614.13354.67022.48712.7358
H53.57733.00264.54311.01551.69452.12482.70122.33484.61274.92464.71875.50323.36633.7342
H63.38562.91754.18251.01711.69452.11932.49112.98334.26754.46324.76285.00672.86732.7029
C72.42502.51983.36481.47472.12482.11931.11041.10222.53952.80742.77513.50641.54682.1642
H83.39043.58444.24312.17112.70122.49111.11041.78892.73512.54283.06443.76172.18052.5059
H92.61872.74553.58832.09602.33482.98331.10221.78892.75263.14602.53023.75592.14923.0611
C102.47383.36362.77873.84594.61274.26752.53952.73512.75261.10401.10191.10291.54232.1707
H113.43774.22703.79654.17614.92464.46322.80742.54283.14601.10401.79681.78432.19832.5025
H122.71043.57363.09764.13354.71874.76282.77513.06442.53021.10191.79681.78302.17543.0860
H132.75303.73932.63914.67025.50325.00673.50643.76173.75591.10291.78431.78302.19392.5375
C141.46962.07672.12032.48713.36632.86731.54682.18052.14921.54232.19832.17542.19391.1161
H152.16252.57562.53292.73583.73422.70292.16422.50593.06112.17072.50253.08602.53751.1161

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 106.988 N1 C14 C10 110.412
N1 C14 H15 112.791 H2 N1 H3 114.207
H2 N1 C14 111.768 H3 N1 C14 115.806
N4 C7 H8 113.498 N4 C7 H9 107.982
N4 C7 C14 110.775 H5 N4 H6 112.951
H5 N4 C7 115.908 H6 N4 C7 115.297
C7 C14 C10 110.587 C7 C14 H15 107.622
H8 C7 H9 107.904 H8 C7 C14 109.188
H9 C7 C14 107.259 C10 C14 H15 108.409
H11 C10 H12 109.084 H11 C10 H13 107.906
H11 C10 C14 111.262 H12 C10 H13 107.934
H12 C10 C14 109.587 H13 C10 C14 110.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.570      
2 H 0.279      
3 H 0.240      
4 N -0.527      
5 H 0.268      
6 H 0.250      
7 C -0.331      
8 H 0.136      
9 H 0.136      
10 C -0.447      
11 H 0.124      
12 H 0.145      
13 H 0.147      
14 C 0.036      
15 H 0.117      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.073 -0.896 1.282 1.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.360 1.956 1.111
y 1.956 -32.032 1.819
z 1.111 1.819 -32.634
Traceless
 xyz
x 3.972 1.956 1.111
y 1.956 -1.535 1.819
z 1.111 1.819 -2.438
Polar
3z2-r2-4.875
x2-y23.671
xy1.956
xz1.111
yz1.819


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.594 -0.139 0.149
y -0.139 6.479 -0.125
z 0.149 -0.125 5.892


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000