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

using model chemistry: B3PW91/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-229.764136
Energy at 298.15K-229.776631
Nuclear repulsion energy194.949802
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3567 3442 0.03      
2 A 3556 3431 0.43      
3 A 3480 3358 2.61      
4 A 3477 3355 1.37      
5 A 3132 3022 24.21      
6 A 3117 3008 29.11      
7 A 3086 2978 29.24      
8 A 3038 2932 37.10      
9 A 3031 2925 28.26      
10 A 2900 2798 91.68      
11 A 1642 1585 1.21      
12 A 1632 1575 47.69      
13 A 1472 1420 1.92      
14 A 1460 1409 6.37      
15 A 1446 1396 0.39      
16 A 1410 1361 0.69      
17 A 1390 1341 14.84      
18 A 1379 1331 4.27      
19 A 1364 1317 10.53      
20 A 1327 1280 10.71      
21 A 1262 1218 1.26      
22 A 1198 1156 4.37      
23 A 1174 1133 6.54      
24 A 1129 1089 12.40      
25 A 1049 1013 13.41      
26 A 1028 992 1.13      
27 A 958 925 10.28      
28 A 916 884 98.48      
29 A 887 856 71.62      
30 A 849 819 70.11      
31 A 803 775 57.24      
32 A 491 474 0.50      
33 A 469 452 20.98      
34 A 366 353 12.27      
35 A 355 343 32.65      
36 A 257 248 8.52      
37 A 241 233 26.79      
38 A 224 216 22.17      
39 A 116 112 5.27      

Unscaled Zero Point Vibrational Energy (zpe) 30337.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 29275.6 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 B3PW91/cc-pVDZ
ABC
0.26625 0.11659 0.08909

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.484 1.385 -0.227
H2 -0.318 1.903 0.138
H3 1.300 1.890 0.122
N4 -2.054 -0.138 0.028
H5 -2.125 0.756 -0.459
H6 -2.172 0.069 1.022
C7 -0.744 -0.728 -0.210
H8 -0.740 -1.747 0.216
H9 -0.619 -0.839 -1.302
C10 1.768 -0.675 -0.031
H11 1.770 -1.715 0.333
H12 1.899 -0.686 -1.125
H13 2.642 -0.168 0.409
C14 0.471 0.033 0.338
H15 0.384 0.035 1.451

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02171.02152.97082.69343.21632.44363.39152.70472.43553.40252.66382.73361.46452.1551
H21.02171.61812.68282.22282.75472.68873.67593.11173.32094.18233.63453.62262.03952.3890
H31.02151.61813.92123.65474.02323.33804.17133.62702.61193.64142.92312.47292.04442.4588
N42.97082.68283.92121.02081.02211.45702.08562.07813.86014.14814.15394.71192.55042.8281
H52.69342.22283.65471.02081.63362.04262.93882.34924.16964.68034.32554.93262.81033.2344
H63.21632.75474.02321.02211.63362.04832.44912.93864.14574.38194.66384.85912.73102.5922
C72.44362.68873.33801.45702.04262.04831.10441.10382.51852.75482.79643.48731.53542.1477
H83.39153.67594.17132.08562.93882.44911.10441.77282.73872.51373.14463.73802.15732.4421
H92.70473.11173.62702.07812.34922.93861.10381.77282.70923.02482.52873.74322.15373.0567
C102.43553.32092.61193.86014.16964.14572.51852.73872.70921.10141.10191.10241.52302.1479
H113.40254.18233.64144.14814.68034.38192.75482.51373.02481.10141.78911.77762.17832.4966
H122.66383.63452.92314.15394.32554.66382.79643.14462.52871.10191.78911.78122.16663.0733
H132.73363.62262.47294.71194.93264.85913.48733.73803.74321.10241.77761.78122.18122.4950
C141.46452.03952.04442.55042.81032.73101.53542.15732.15371.52302.17832.16662.18121.1159
H152.15512.38902.45882.82813.23442.59222.14772.44213.05672.14792.49663.07332.49501.1159

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 109.071 N1 C14 C10 109.210
N1 C14 H15 112.571 H2 N1 H3 104.737
H2 N1 C14 108.934 H3 N1 C14 109.354
N4 C7 H8 108.238 N4 C7 H9 107.690
N4 C7 C14 116.900 H5 N4 H6 106.199
H5 N4 C7 109.795 H6 N4 C7 110.193
C7 C14 C10 110.867 C7 C14 H15 107.145
H8 C7 H9 106.799 H8 C7 C14 108.512
H9 C7 C14 108.270 C10 C14 H15 107.973
H11 C10 H12 108.589 H11 C10 H13 107.539
H11 C10 C14 111.187 H12 C10 H13 107.812
H12 C10 C14 110.229 H13 C10 C14 111.359
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.181      
2 H 0.066      
3 H 0.085      
4 N -0.218      
5 H 0.089      
6 H 0.083      
7 C 0.059      
8 H 0.032      
9 H 0.040      
10 C -0.035      
11 H 0.038      
12 H 0.047      
13 H 0.031      
14 C -0.134      
15 H -0.002      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.775 1.132 1.581 2.093
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> 143.522
(<r2>)1/2 11.980