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

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-229.111922
Energy at 298.15K-229.124546
HF Energy-228.327734
Nuclear repulsion energy194.863138
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/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 3603 3432 0.17      
2 A 3591 3420 0.12      
3 A 3501 3335 1.42      
4 A 3499 3332 0.77      
5 A 3185 3034 20.69      
6 A 3170 3020 25.75      
7 A 3142 2993 26.81      
8 A 3078 2932 42.70      
9 A 3074 2928 13.82      
10 A 2972 2831 76.32      
11 A 1654 1576 0.43      
12 A 1642 1564 46.61      
13 A 1499 1428 2.27      
14 A 1488 1417 5.76      
15 A 1473 1403 0.35      
16 A 1430 1362 0.43      
17 A 1410 1343 13.99      
18 A 1397 1331 4.62      
19 A 1386 1320 8.31      
20 A 1341 1277 10.98      
21 A 1275 1214 1.61      
22 A 1221 1163 3.63      
23 A 1189 1132 6.86      
24 A 1144 1090 6.61      
25 A 1061 1011 14.63      
26 A 1052 1002 2.39      
27 A 982 935 17.72      
28 A 955 910 131.91      
29 A 914 870 70.53      
30 A 873 831 36.54      
31 A 825 786 30.57      
32 A 498 474 2.17      
33 A 476 454 20.64      
34 A 375 358 43.85      
35 A 369 351 1.28      
36 A 261 249 5.95      
37 A 255 243 18.79      
38 A 231 220 32.23      
39 A 119 113 6.59      

Unscaled Zero Point Vibrational Energy (zpe) 30804.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 29341.0 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/cc-pVDZ
ABC
0.26616 0.11685 0.08930

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.465 1.382 -0.231
H2 -0.300 1.913 0.195
H3 1.310 1.868 0.085
N4 -2.055 -0.135 0.019
H5 -2.077 0.768 -0.461
H6 -2.154 0.083 1.015
C7 -0.740 -0.742 -0.204
H8 -0.746 -1.756 0.236
H9 -0.603 -0.857 -1.295
C10 1.772 -0.665 -0.034
H11 1.783 -1.710 0.319
H12 1.890 -0.658 -1.131
H13 2.642 -0.149 0.408
C14 0.468 0.029 0.347
H15 0.384 0.035 1.459

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.02371.02422.95252.62513.17822.44213.39572.69962.43693.40582.64652.73731.47122.1630
H21.02371.61382.70312.21312.73122.72023.69563.15963.31524.18063.62823.59902.03972.3650
H31.02421.61383.91673.60214.00623.33114.16903.60422.57783.61682.86332.43932.03962.4714
N42.95252.70313.91671.02301.02461.46542.09452.08653.86434.15964.14244.71362.54922.8375
H52.62512.21313.60211.02301.62892.03282.93702.34664.12934.65274.26844.88522.76983.2059
H63.17822.73124.00621.02461.62892.04132.44332.93644.13234.38194.63774.84022.70602.5769
C72.44212.72023.33111.46542.03282.04131.10561.10492.51922.75272.78963.48801.53492.1523
H83.39573.69564.16902.09452.93702.44331.10561.78102.75752.53093.16553.75372.16102.4446
H92.69963.15963.60422.08652.34662.93641.10491.78102.69663.00472.50693.73312.15103.0583
C102.43693.31522.57783.86434.12934.13232.51922.75752.69661.10281.10311.10381.52612.1555
H113.40584.18063.61684.15964.65274.38192.75272.53093.00471.10281.79391.78372.18072.5102
H122.64653.62822.86334.14244.26844.63772.78963.16552.50691.10311.79391.78702.16303.0750
H132.73733.59902.43934.71364.88524.84023.48803.75373.73311.10381.78371.78702.18292.4978
C141.47122.03972.03962.54922.76982.70601.53492.16102.15101.52612.18072.16302.18291.1156
H152.16302.36502.47142.83753.20592.57692.15232.44463.05832.15552.51023.07502.49781.1156

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 108.641 N1 C14 C10 108.770
N1 C14 H15 112.754 H2 N1 H3 104.001
H2 N1 C14 108.337 H3 N1 C14 108.306
N4 C7 H8 108.297 N4 C7 H9 107.717
N4 C7 C14 116.334 H5 N4 H6 105.408
H5 N4 C7 108.235 H6 N4 C7 108.840
C7 C14 C10 110.776 C7 C14 H15 107.543
H8 C7 H9 107.358 H8 C7 C14 108.764
H9 C7 C14 108.034 C10 C14 H15 108.367
H11 C10 H12 108.825 H11 C10 H13 107.869
H11 C10 C14 111.073 H12 C10 H13 108.133
H12 C10 C14 109.663 H13 C10 C14 111.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability