return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-229.798487
Energy at 298.15K-229.810991
Nuclear repulsion energy195.319812
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 B3PW91/6-311G*
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 3597 3463 0.15      
2 A 3579 3445 0.59      
3 A 3506 3375 3.79      
4 A 3504 3373 2.34      
5 A 3117 3001 37.21      
6 A 3100 2985 38.72      
7 A 3084 2969 29.85      
8 A 3037 2924 54.06      
9 A 3031 2918 18.88      
10 A 2908 2800 92.74      
11 A 1715 1651 11.90      
12 A 1703 1640 69.14      
13 A 1514 1458 4.92      
14 A 1503 1447 7.13      
15 A 1481 1425 1.44      
16 A 1425 1372 2.25      
17 A 1413 1361 12.35      
18 A 1407 1354 4.64      
19 A 1382 1330 11.29      
20 A 1347 1297 7.13      
21 A 1274 1227 1.17      
22 A 1217 1171 4.75      
23 A 1175 1131 5.17      
24 A 1123 1081 13.02      
25 A 1059 1019 13.43      
26 A 1029 990 0.96      
27 A 961 926 11.42      
28 A 912 878 88.37      
29 A 886 853 98.42      
30 A 845 814 95.71      
31 A 796 767 91.60      
32 A 494 475 2.98      
33 A 469 451 23.83      
34 A 373 359 57.04      
35 A 366 352 1.09      
36 A 255 246 6.01      
37 A 240 231 24.92      
38 A 218 210 38.23      
39 A 121 116 7.15      

Unscaled Zero Point Vibrational Energy (zpe) 30582.0 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 29441.3 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 B3PW91/6-311G*
ABC
0.26717 0.11692 0.08927

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.477 1.384 -0.218
H2 -0.293 1.918 0.172
H3 1.325 1.870 0.057
N4 -2.050 -0.133 0.022
H5 -2.138 0.735 -0.494
H6 -2.199 0.070 1.005
C7 -0.741 -0.732 -0.201
H8 -0.748 -1.739 0.231
H9 -0.614 -0.851 -1.283
C10 1.766 -0.674 -0.035
H11 1.771 -1.709 0.319
H12 1.889 -0.679 -1.123
H13 2.638 -0.174 0.398
C14 0.472 0.032 0.344
H15 0.394 0.040 1.449

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01471.01482.95732.70873.22232.44143.38522.70522.43503.39532.65822.73471.46432.1429
H21.01471.62212.70482.29102.78202.71273.68573.14393.31604.17493.62993.60772.04212.3718
H31.01481.62213.92423.68544.06833.33174.16553.59902.58303.61552.86432.45312.04582.4798
N42.95732.70483.92421.01331.01461.45642.07802.06893.85434.14364.13774.70352.54802.8350
H52.70872.29103.68541.01331.64042.04612.92872.33644.17544.68084.31364.94322.83003.2659
H63.22232.78204.06831.01461.64042.05512.44512.93174.16604.40404.66864.88132.75222.6307
C72.44142.71273.33171.45642.04612.05511.09671.09552.51312.74512.78693.47731.53372.1461
H83.38523.68574.16552.07802.92872.44511.09671.76072.74362.52093.14813.73482.15412.4399
H92.70523.14393.59902.06892.33642.93171.09551.76072.69262.99812.51353.72312.14583.0446
C102.43503.31602.58303.85434.17544.16602.51312.74362.69261.09381.09411.09521.52152.1434
H113.39534.17493.61554.14364.68084.40402.74512.52092.99811.09381.77551.76482.17182.4960
H122.65823.62992.86434.13774.31364.66862.78693.14812.51351.09411.77551.76942.15893.0598
H132.73473.60772.45314.70354.94324.88133.47733.73483.72311.09521.76481.76942.17652.4872
C141.46432.04212.04582.54802.83002.75221.53372.15412.14581.52152.17182.15892.17651.1078
H152.14292.37182.47982.83503.26592.63072.14612.43993.04462.14342.49603.05982.48721.1078

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 109.024 N1 C14 C10 109.270
N1 C14 H15 112.102 H2 N1 H3 106.119
H2 N1 C14 109.592 H3 N1 C14 109.896
N4 C7 H8 108.136 N4 C7 H9 107.487
N4 C7 C14 116.867 H5 N4 H6 107.984
H5 N4 C7 110.603 H6 N4 C7 111.280
C7 C14 C10 110.681 C7 C14 H15 107.576
H8 C7 H9 106.865 H8 C7 C14 108.821
H9 C7 C14 108.239 C10 C14 H15 108.184
H11 C10 H12 108.481 H11 C10 H13 107.456
H11 C10 C14 111.228 H12 C10 H13 107.835
H12 C10 C14 110.187 H13 C10 C14 111.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.762      
2 H 0.306      
3 H 0.326      
4 N -0.755      
5 H 0.321      
6 H 0.310      
7 C -0.249      
8 H 0.214      
9 H 0.222      
10 C -0.651      
11 H 0.220      
12 H 0.229      
13 H 0.215      
14 C -0.124      
15 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.985 1.201 1.769 2.354
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> 143.559
(<r2>)1/2 11.982