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

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-42.382274
Energy at 298.15K-42.394850
HF Energy-41.642139
Nuclear repulsion energy113.489763
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 MP2/CEP-121G*
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 3601 3431 0.20      
2 A 3586 3417 0.03      
3 A 3490 3326 2.65      
4 A 3488 3323 0.17      
5 A 3165 3016 32.60      
6 A 3150 3001 34.83      
7 A 3140 2992 26.14      
8 A 3071 2926 43.89      
9 A 3057 2912 20.48      
10 A 2983 2842 76.26      
11 A 1723 1642 12.66      
12 A 1707 1627 70.97      
13 A 1538 1465 5.79      
14 A 1529 1457 5.45      
15 A 1511 1440 1.07      
16 A 1448 1380 3.45      
17 A 1434 1366 11.80      
18 A 1416 1349 2.90      
19 A 1393 1327 11.71      
20 A 1357 1293 9.59      
21 A 1278 1217 0.99      
22 A 1239 1180 3.58      
23 A 1177 1121 7.37      
24 A 1124 1071 8.70      
25 A 1063 1012 16.36      
26 A 1044 995 2.78      
27 A 983 937 20.77      
28 A 953 908 170.29      
29 A 916 873 88.29      
30 A 873 832 45.07      
31 A 820 781 33.39      
32 A 498 475 6.34      
33 A 472 449 17.35      
34 A 374 357 14.64      
35 A 368 351 47.58      
36 A 256 244 4.06      
37 A 250 238 13.12      
38 A 214 204 47.04      
39 A 128 122 7.77      

Unscaled Zero Point Vibrational Energy (zpe) 30907.7 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 29448.8 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 MP2/CEP-121G*
ABC
0.26391 0.11607 0.08857

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.434 1.387 -0.239
H2 -0.286 1.943 0.226
H3 1.319 1.856 -0.037
N4 -2.066 -0.170 -0.003
H5 -2.113 0.706 -0.524
H6 -2.204 0.053 0.984
C7 -0.731 -0.772 -0.197
H8 -0.740 -1.767 0.267
H9 -0.585 -0.904 -1.276
C10 1.782 -0.649 -0.030
H11 1.802 -1.688 0.316
H12 1.897 -0.636 -1.120
H13 2.640 -0.129 0.415
C14 0.462 0.028 0.354
H15 0.380 0.050 1.457

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02141.02202.95502.65163.19942.45373.40322.71382.45123.41172.64722.75591.48372.1609
H21.02141.62902.77252.33002.79752.78333.73753.23303.32584.18993.63663.59052.06032.3544
H31.02201.62903.94573.65224.08753.33704.17813.57512.54733.59452.77742.42692.05682.5251
N42.95502.77253.94571.02031.02181.47712.09342.08663.87854.16814.14384.72512.56142.8581
H52.65162.33003.65221.02031.64612.04922.93702.34394.15374.66554.27024.91622.80403.2515
H63.19942.79754.08751.02181.64612.06042.44342.94084.17294.41934.66044.88092.74002.6274
C72.45372.78333.33701.47712.04922.06041.09811.09702.52242.74282.78883.48631.53872.1563
H83.40323.73754.17812.09342.93702.44341.09811.77482.77482.54383.18663.75862.16152.4441
H92.71383.23303.57512.08662.34392.94081.09701.77482.68782.97472.50153.72322.15013.0523
C102.45123.32582.54733.87854.15374.17292.52242.77482.68781.09561.09591.09691.53212.1601
H113.41174.18993.59454.16814.66554.41932.74282.54382.97471.09561.78241.77272.17752.5195
H122.64723.63662.77744.14384.27024.66042.78883.18662.50151.09591.78241.77832.16083.0677
H132.75593.59052.42694.72514.91624.88093.48633.75863.72321.09691.77271.77832.18432.4951
C141.48372.06032.05682.56142.80402.74001.53872.16152.15011.53212.17752.16082.18431.1068
H152.16092.35442.52512.85813.25152.62742.15632.44413.05232.16012.51953.06772.49511.1068

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 108.543 N1 C14 C10 108.722
N1 C14 H15 112.238 H2 N1 H3 105.727
H2 N1 C14 109.268 H3 N1 C14 108.945
N4 C7 H8 107.856 N4 C7 H9 107.397
N4 C7 C14 116.262 H5 N4 H6 107.431
H5 N4 C7 108.903 H6 N4 C7 109.736
C7 C14 C10 110.450 C7 C14 H15 108.083
H8 C7 H9 107.906 H8 C7 C14 108.980
H9 C7 C14 108.159 C10 C14 H15 108.807
H11 C10 H12 108.847 H11 C10 H13 107.909
H11 C10 C14 110.829 H12 C10 H13 108.392
H12 C10 C14 109.498 H13 C10 C14 111.292
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability