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: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-229.859409
Energy at 298.15K-229.871904
HF Energy-229.859409
Nuclear repulsion energy195.615153
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 wB97X-D/aug-cc-pVTZ
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 3627 3469 2.20      
2 A 3616 3459 1.73      
3 A 3539 3386 0.88      
4 A 3537 3384 0.74      
5 A 3131 2995 29.28      
6 A 3120 2985 31.14      
7 A 3097 2963 25.30      
8 A 3052 2919 49.78      
9 A 3048 2915 10.59      
10 A 2946 2818 70.64      
11 A 1662 1590 6.77      
12 A 1654 1582 59.34      
13 A 1509 1444 4.51      
14 A 1494 1429 6.83      
15 A 1485 1421 0.63      
16 A 1429 1367 0.40      
17 A 1416 1354 15.17      
18 A 1397 1336 2.92      
19 A 1375 1315 13.13      
20 A 1348 1290 4.75      
21 A 1270 1215 1.24      
22 A 1210 1157 2.41      
23 A 1184 1132 5.44      
24 A 1128 1079 20.81      
25 A 1058 1012 7.30      
26 A 1027 982 1.20      
27 A 961 919 4.00      
28 A 897 858 13.82      
29 A 878 840 86.59      
30 A 827 791 92.15      
31 A 784 750 116.36      
32 A 499 478 0.87      
33 A 475 454 18.32      
34 A 375 358 1.40      
35 A 344 329 45.01      
36 A 264 253 8.34      
37 A 233 223 25.72      
38 A 206 197 18.65      
39 A 122 117 4.76      

Unscaled Zero Point Vibrational Energy (zpe) 30609.9 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 29281.4 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 wB97X-D/aug-cc-pVTZ
ABC
0.26661 0.11732 0.08942

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.508 1.389 -0.218
H2 -0.252 1.946 0.154
H3 1.360 1.858 0.064
N4 -2.055 -0.126 0.031
H5 -2.152 0.753 -0.460
H6 -2.193 0.057 1.018
C7 -0.747 -0.720 -0.218
H8 -0.751 -1.727 0.204
H9 -0.626 -0.822 -1.298
C10 1.752 -0.697 -0.026
H11 1.735 -1.722 0.344
H12 1.878 -0.718 -1.109
H13 2.622 -0.202 0.407
C14 0.467 0.032 0.335
H15 0.377 0.045 1.433

Atom - Atom Distances (Å)
  N1 H2 H3 N4 H5 H6 C7 H8 H9 C10 H11 H12 H13 C14 H15
N11.01251.01252.98802.74563.25492.45343.38732.70942.43603.39122.66652.71841.46602.1321
H21.01251.61642.74992.32642.84312.73643.70733.14813.32104.17563.63683.59632.05262.3751
H31.01251.61643.95003.71884.09593.34074.16313.60282.58633.61082.87752.43992.05082.4752
N42.98802.74993.95001.01131.01271.45862.07242.07273.85004.12424.13764.69322.54592.8122
H52.74562.32643.71881.01131.63412.04952.92452.34754.18644.67714.33824.94502.83063.2367
H63.25492.84314.09591.01271.63412.05442.43382.93124.14904.36364.65744.86012.74622.6027
C72.45342.73643.34071.45862.04952.05441.09241.09202.50562.73432.77143.46501.53102.1380
H83.38733.70734.16312.07242.92452.43381.09241.75822.71622.48953.10693.70772.14402.4341
H92.70943.14813.60282.07272.34752.93121.09201.75822.69923.01302.51253.72042.14293.0356
C102.43603.32102.58633.85004.18644.14902.50562.71622.69921.09031.09081.09121.52022.1375
H113.39124.17563.61084.12424.67714.36362.73432.48953.01301.09031.77241.76192.16402.4806
H122.66653.63682.87754.13764.33824.65742.77143.10692.51251.09081.77241.76662.15363.0491
H132.71843.59632.43994.69324.94504.86013.46503.70773.72041.09121.76191.76662.16852.4807
C141.46602.05262.05082.54592.83062.74621.53102.14402.14291.52022.16402.15362.16851.1011
H152.13212.37512.47522.81223.23672.60272.13802.43413.03562.13752.48063.04912.48071.1011

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 109.877 N1 C14 C10 109.311
N1 C14 H15 111.515 H2 N1 H3 105.924
H2 N1 C14 110.481 H3 N1 C14 110.327
N4 C7 H8 107.799 N4 C7 H9 107.848
N4 C7 C14 116.750 H5 N4 H6 107.679
H5 N4 C7 110.857 H6 N4 C7 111.187
C7 C14 C10 110.407 C7 C14 H15 107.509
H8 C7 H9 107.200 H8 C7 C14 108.461
H9 C7 C14 108.407 C10 C14 H15 108.198
H11 C10 H12 108.701 H11 C10 H13 107.736
H11 C10 C14 110.912 H12 C10 H13 108.116
H12 C10 C14 110.057 H13 C10 C14 111.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.563      
2 H 0.044      
3 H 0.034      
4 N -0.513      
5 H 0.043      
6 H 0.033      
7 C -0.322      
8 H 0.258      
9 H 0.266      
10 C -1.144      
11 H 0.282      
12 H 0.264      
13 H 0.246      
14 C 0.789      
15 H 0.283      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.006 0.905 1.651 2.134
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.996 -2.631 -0.820
y -2.631 -31.616 1.506
z -0.820 1.506 -33.783
Traceless
 xyz
x -3.296 -2.631 -0.820
y -2.631 3.273 1.506
z -0.820 1.506 0.023
Polar
3z2-r20.046
x2-y2-4.379
xy-2.631
xz-0.820
yz1.506


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.551 -0.100 -0.031
y -0.100 8.729 0.009
z -0.031 0.009 7.968


<r2> (average value of r2) Å2
<r2> 143.505
(<r2>)1/2 11.979