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All results from a given calculation for C3H6N2 (3-Aminopropionitrile)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-225.213298
Energy at 298.15K-225.220479
HF Energy-224.714595
Nuclear repulsion energy152.531823
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 MP2/3-21G
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' 3447 3290 0.26      
2 A' 3113 2971 21.91      
3 A' 3089 2949 3.62      
4 A' 2141 2043 2.11      
5 A' 1760 1680 20.29      
6 A' 1584 1512 4.53      
7 A' 1568 1497 3.78      
8 A' 1429 1364 4.94      
9 A' 1359 1297 0.15      
10 A' 1101 1051 8.68      
11 A' 982 937 21.69      
12 A' 934 891 0.86      
13 A' 741 707 300.34      
14 A' 540 515 1.25      
15 A' 381 363 7.35      
16 A' 178 170 5.27      
17 A" 3553 3391 0.00      
18 A" 3168 3024 19.37      
19 A" 3132 2990 0.95      
20 A" 1428 1363 0.40      
21 A" 1371 1309 0.29      
22 A" 1230 1174 0.00      
23 A" 1006 960 0.56      
24 A" 780 745 1.66      
25 A" 432 412 0.30      
26 A" 336 321 61.01      
27 A" 117 112 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 20449.5 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 19519.0 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 MP2/3-21G
ABC
0.81813 0.07372 0.07021

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.592 -0.086 0.839
H2 2.592 -0.086 -0.839
N3 2.253 -0.562 0.000
H4 0.491 -1.289 0.885
H5 0.491 -1.289 -0.885
C6 0.779 -0.714 0.000
H7 0.291 1.223 0.888
H8 0.291 1.223 -0.888
C9 0.000 0.648 0.000
N10 -2.634 0.271 0.000
C11 -1.460 0.456 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.67731.02192.42182.97222.09472.64803.16062.82185.30484.1733
H21.67731.02192.97222.42182.09473.16062.64802.82185.30484.1733
N31.02191.02192.10202.10201.48272.79702.79702.55744.95733.8501
H42.42182.97222.10201.77001.09382.52073.08152.18563.60282.7634
H52.97222.42182.10201.77001.09383.08152.52072.18563.60282.7634
C62.09472.09471.48271.09381.09382.18642.18641.56913.55152.5260
H72.64803.16062.79702.52073.08152.18641.77511.09733.20162.1078
H83.16062.64802.79703.08152.52072.18641.77511.09733.20162.1078
C92.82182.82182.55742.18562.18561.56911.09731.09732.66041.4722
N105.30485.30484.95733.60283.60283.55153.20163.20162.66041.1884
C114.17334.17333.85012.76342.76342.52602.10782.10781.47221.1884

picture of 3-Aminopropionitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 N3 H2 110.314 H1 N3 C6 112.206
H2 N3 C6 112.206 N3 C6 H4 108.401
N3 C6 H5 108.401 N3 C6 C9 113.829
H4 C6 H5 108.020 H4 C6 C9 109.018
H5 C6 C9 109.018 C6 C9 H7 108.884
C6 C9 H8 108.884 C6 C9 C11 112.274
H7 C9 H8 107.977 H7 C9 C11 109.363
H8 C9 C11 109.363 C9 C11 N10 178.496
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.271     0.402
2 H 0.271     0.402
3 N -0.666     -1.064
4 H 0.215     0.015
5 H 0.215     0.015
6 C -0.183     0.397
7 H 0.233     0.121
8 H 0.233     0.121
9 C -0.467     -0.338
10 N -0.419     -0.425
11 C 0.297     0.353


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.267 1.574 0.000 3.626
CHELPG        
AIM        
ESP 3.300 1.575 0.000 3.657


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.396 5.049 0.000
y 5.049 -31.992 0.000
z 0.000 0.000 -28.407
Traceless
 xyz
x -12.196 5.049 0.000
y 5.049 3.409 0.000
z 0.000 0.000 8.787
Polar
3z2-r217.573
x2-y2-10.404
xy5.049
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.348 0.194 0.000
y 0.194 4.153 0.000
z 0.000 0.000 4.511


<r2> (average value of r2) Å2
<r2> 156.758
(<r2>)1/2 12.520