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

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-229.742141
Energy at 298.15K-229.754561
Nuclear repulsion energy 
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/aug-cc-pVDZ
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 3626 3473 1.61      
2 A 3617 3464 1.24      
3 A 3534 3385 0.91      
4 A 3530 3381 1.14      
5 A 3149 3016 27.06      
6 A 3136 3004 30.22      
7 A 3113 2982 25.78      
8 A 3060 2932 50.71      
9 A 3056 2927 11.88      
10 A 2953 2829 75.19      
11 A 1641 1572 4.95      
12 A 1628 1559 59.03      
13 A 1477 1415 2.63      
14 A 1466 1404 6.93      
15 A 1455 1393 0.70      
16 A 1412 1352 1.01      
17 A 1388 1330 17.48      
18 A 1378 1320 3.01      
19 A 1358 1301 10.93      
20 A 1324 1268 6.29      
21 A 1253 1200 1.10      
22 A 1195 1144 1.31      
23 A 1178 1129 7.05      
24 A 1132 1085 19.92      
25 A 1043 999 8.28      
26 A 1028 985 0.95      
27 A 956 916 2.87      
28 A 886 848 45.23      
29 A 870 834 48.23      
30 A 823 788 81.69      
31 A 774 742 121.42      
32 A 490 469 1.47      
33 A 459 440 17.44      
34 A 362 347 5.31      
35 A 332 318 43.52      
36 A 252 241 8.09      
37 A 234 224 30.81      
38 A 212 203 13.04      
39 A 124 119 3.28      

Unscaled Zero Point Vibrational Energy (zpe) 30449.8 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 29167.8 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/aug-cc-pVDZ
ABC
0.26797 0.11774 0.08986

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.478 1.381 -0.216
H2 -0.299 1.920 0.151
H3 1.320 1.873 0.062
N4 -2.041 -0.134 0.028
H5 -2.136 0.747 -0.464
H6 -2.190 0.047 1.015
C7 -0.737 -0.727 -0.214
H8 -0.738 -1.741 0.209
H9 -0.613 -0.828 -1.299
C10 1.760 -0.673 -0.030
H11 1.763 -1.705 0.339
H12 1.882 -0.690 -1.119
H13 2.630 -0.162 0.401
C14 0.468 0.030 0.340
H15 0.379 0.036 1.443

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01431.01412.94942.70103.22662.43313.37672.69082.42873.38802.66022.71901.46042.1377
H21.01431.62242.69572.26432.79812.70763.68723.12243.31644.17413.63073.60232.04822.3827
H31.01411.62243.91483.67264.06963.32694.16113.58892.58543.61542.87732.44392.04902.4833
N42.94942.69573.91481.01351.01451.45292.07682.06983.84024.12704.12534.68582.53382.8084
H52.70102.26433.67261.01351.63772.04772.93202.34484.16994.67494.31744.92832.81803.2352
H63.22662.79814.06961.01451.63772.05402.44002.93414.14904.37544.65604.86272.74232.6037
C72.43312.70763.32691.45292.04772.05401.09791.09732.50502.74042.77173.46891.52722.1385
H83.37673.68724.16112.07682.93202.44001.09791.76712.72742.50413.11963.72412.14662.4349
H92.69083.12243.58892.06982.34482.93411.09731.76712.69563.01572.50503.72122.14233.0413
C102.42873.31642.58543.84024.16994.14902.50502.72742.69561.09551.09621.09651.51712.1407
H113.38804.17413.61544.12704.67494.37542.74042.50413.01571.09551.78061.77042.16452.4828
H122.66023.63072.87734.12534.31744.65602.77173.11962.50501.09621.78061.77472.15563.0583
H132.71903.60232.44394.68584.92834.86273.46893.72413.72121.09651.77041.77472.17102.4882
C141.46042.04822.04902.53382.81802.74231.52722.14662.14231.51712.16452.15562.17101.1071
H152.13772.38272.48332.80843.23522.60372.13852.43493.04132.14072.48283.05832.48821.1071

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 109.034 N1 C14 C10 109.294
N1 C14 H15 111.995 H2 N1 H3 106.230
H2 N1 C14 110.417 H3 N1 C14 110.491
N4 C7 H8 108.207 N4 C7 H9 107.693
N4 C7 C14 116.453 H5 N4 H6 107.707
H5 N4 C7 110.989 H6 N4 C7 111.465
C7 C14 C10 110.741 C7 C14 H15 107.466
H8 C7 H9 107.217 H8 C7 C14 108.602
H9 C7 C14 108.312 C10 C14 H15 108.306
H11 C10 H12 108.669 H11 C10 H13 107.733
H11 C10 C14 110.855 H12 C10 H13 108.065
H12 C10 C14 110.104 H13 C10 C14 111.314
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.000      
2 H -0.075      
3 H -0.077      
4 N -0.242      
5 H -0.055      
6 H -0.046      
7 C 1.139      
8 H -0.306      
9 H -0.283      
10 C 0.908      
11 H -0.184      
12 H -0.098      
13 H -0.228      
14 C -0.020      
15 H -0.433      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.996 0.910 1.628 2.114
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 9.690 -0.112 -0.035
y -0.112 8.831 0.008
z -0.035 0.008 8.003


<r2> (average value of r2) Å2
<r2> 143.143
(<r2>)1/2 11.964