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: BLYP/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 BLYP/6-31G
 hartrees
Energy at 0K-229.638531
Energy at 298.15K-229.650619
Nuclear repulsion energy192.433944
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 BLYP/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 3563 3536 0.11      
2 A 3501 3474 1.16      
3 A 3439 3413 1.13      
4 A 3390 3364 8.95      
5 A 3048 3025 44.39      
6 A 3027 3004 41.89      
7 A 3016 2993 30.37      
8 A 2963 2941 45.59      
9 A 2954 2931 40.06      
10 A 2782 2761 127.19      
11 A 1652 1639 12.68      
12 A 1649 1636 48.09      
13 A 1509 1498 3.20      
14 A 1496 1485 4.42      
15 A 1476 1464 0.70      
16 A 1411 1401 7.27      
17 A 1383 1372 5.27      
18 A 1372 1362 12.45      
19 A 1349 1339 10.18      
20 A 1335 1325 14.07      
21 A 1237 1228 1.28      
22 A 1175 1167 1.58      
23 A 1142 1133 2.11      
24 A 1069 1061 29.22      
25 A 1029 1021 5.70      
26 A 991 983 2.06      
27 A 918 911 2.44      
28 A 865 859 2.06      
29 A 809 803 19.30      
30 A 644 639 163.54      
31 A 516 512 167.95      
32 A 471 468 40.96      
33 A 453 449 98.15      
34 A 365 362 51.88      
35 A 352 349 48.39      
36 A 253 251 13.01      
37 A 223 221 15.84      
38 A 206 205 87.82      
39 A 122 121 4.57      

Unscaled Zero Point Vibrational Energy (zpe) 29575.2 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 29350.4 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 BLYP/6-31G
ABC
0.26071 0.11292 0.08641

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.486 1.407 -0.187
H2 -0.366 1.924 0.051
H3 1.323 1.948 0.048
N4 -2.065 -0.128 0.036
H5 -2.292 0.691 -0.527
H6 -2.337 -0.037 1.016
C7 -0.748 -0.736 -0.220
H8 -0.747 -1.761 0.196
H9 -0.623 -0.818 -1.314
C10 1.805 -0.679 -0.042
H11 1.817 -1.719 0.327
H12 1.916 -0.688 -1.139
H13 2.682 -0.161 0.387
C14 0.489 0.027 0.352
H15 0.402 0.001 1.469

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02491.02432.98582.88923.39192.47333.42112.72912.47213.43612.70912.75871.48152.1747
H21.02491.68922.66422.35922.94302.70103.70773.07333.39074.25583.66703.70822.10212.5098
H31.02431.68923.97383.87084.27503.40124.25053.64612.67263.71102.95172.53202.11642.5810
N42.98582.66423.97381.01981.02101.47292.10502.09203.91014.20524.18864.76032.57802.8556
H52.88922.35923.87081.01981.70682.12492.98742.38324.34764.83964.47065.12902.99143.4234
H63.39192.94304.27501.02101.70682.13142.48562.99604.32364.53454.81275.06042.90392.7765
C72.47332.70103.40121.47292.12492.13141.10621.10382.56032.80082.81883.53081.56212.1722
H83.42113.70774.25052.10502.98742.48561.10621.78432.78222.56713.16613.78882.17942.4587
H92.72913.07333.64612.09202.38322.99601.10381.78432.74513.07572.54873.77492.17403.0765
C102.47213.39072.67263.91014.34764.32362.56032.78222.74511.10381.10321.10491.54482.1713
H113.43614.25583.71104.20524.83964.53452.80082.56713.07571.10381.79551.78342.19392.5028
H122.70913.66702.95174.18864.47064.81272.81883.16612.54871.10321.79551.78712.18473.0939
H132.75873.70822.53204.76035.12905.06043.53083.78883.77491.10491.78341.78712.20172.5295
C141.48152.10212.11642.57802.99142.90391.56212.17942.17401.54482.19392.18472.20171.1207
H152.17472.50982.58102.85563.42342.77652.17222.45873.07652.17132.50283.09392.52951.1207

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 108.674 N1 C14 C10 109.527
N1 C14 H15 112.642 H2 N1 H3 111.038
H2 N1 C14 112.738 H3 N1 C14 114.017
N4 C7 H8 108.566 N4 C7 H9 107.696
N4 C7 C14 116.266 H5 N4 H6 113.507
H5 N4 C7 115.759 H6 N4 C7 116.261
C7 C14 C10 110.985 C7 C14 H15 106.971
H8 C7 H9 107.676 H8 C7 C14 108.310
H9 C7 C14 108.030 C10 C14 H15 108.036
H11 C10 H12 108.886 H11 C10 H13 107.687
H11 C10 C14 110.749 H12 C10 H13 108.064
H12 C10 C14 110.064 H13 C10 C14 111.299
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.644      
2 H 0.239      
3 H 0.254      
4 N -0.653      
5 H 0.267      
6 H 0.258      
7 C -0.071      
8 H 0.109      
9 H 0.126      
10 C -0.362      
11 H 0.114      
12 H 0.133      
13 H 0.108      
14 C 0.053      
15 H 0.069      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.465 1.204 1.584 2.044
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> 147.595
(<r2>)1/2 12.149