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

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-224.722379
Energy at 298.15K-224.729703
Nuclear repulsion energy155.068628
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 HF/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' 3701 3341 2.26      
2 A' 3240 2924 29.58      
3 A' 3222 2908 2.39      
4 A' 2585 2334 8.06      
5 A' 1838 1659 29.22      
6 A' 1658 1497 4.43      
7 A' 1636 1477 7.06      
8 A' 1520 1372 7.73      
9 A' 1449 1308 1.10      
10 A' 1151 1039 19.46      
11 A' 1041 940 29.64      
12 A' 1000 903 6.07      
13 A' 615 556 203.27      
14 A' 598 539 184.38      
15 A' 412 372 13.65      
16 A' 198 179 5.77      
17 A" 3810 3439 5.85      
18 A" 3290 2969 23.88      
19 A" 3258 2941 0.00      
20 A" 1503 1357 0.03      
21 A" 1442 1302 0.00      
22 A" 1298 1172 0.19      
23 A" 1045 943 0.02      
24 A" 826 746 2.79      
25 A" 495 447 0.02      
26 A" 322 291 53.34      
27 A" 120 108 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 21637.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 19529.7 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 HF/3-21G*
ABC
0.84102 0.07611 0.07249

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.607 -0.188 0.837
H2 2.607 -0.188 -0.837
N3 2.207 -0.566 0.000
H4 0.465 -1.282 0.873
H5 0.465 -1.282 -0.873
C6 0.758 -0.715 0.000
H7 0.284 1.216 0.877
H8 0.284 1.216 -0.877
C9 0.000 0.646 0.000
N10 -2.575 0.301 0.000
C11 -1.447 0.463 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.67361.00162.40512.95072.09712.71363.20932.86165.27164.1898
H21.67361.00162.95072.40512.09713.20932.71362.86165.27164.1898
N31.00161.00162.07562.07561.45702.76392.76392.51744.85993.7958
H42.40512.95072.07561.74611.08122.50473.05562.16693.53772.7323
H52.95072.40512.07561.74611.08123.05562.50472.16693.53772.7323
C62.09712.09711.45701.08121.08122.17312.17311.55753.48422.4996
H72.71363.20932.76392.50473.05562.17311.75421.08423.12762.0817
H83.20932.71362.76393.05562.50472.17311.75421.08423.12762.0817
C92.86162.86162.51742.16692.16691.55751.08421.08422.59791.4583
N105.27165.27164.85993.53773.53773.48423.12763.12762.59791.1397
C114.18984.18983.79582.73232.73232.49962.08172.08171.45831.1397

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 113.335 H1 N3 C6 115.838
H2 N3 C6 115.838 N3 C6 H4 108.815
N3 C6 H5 108.815 N3 C6 C9 113.214
H4 C6 H5 107.698 H4 C6 C9 109.077
H5 C6 C9 109.077 C6 C9 H7 109.388
C6 C9 H8 109.388 C6 C9 C11 111.913
H7 C9 H8 107.998 H7 C9 C11 109.035
H8 C9 C11 109.035 C9 C11 N10 179.040
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.308 0.432    
2 H 0.308 0.432    
3 N -0.801 -1.187    
4 H 0.240 -0.023    
5 H 0.240 -0.023    
6 C -0.158 0.552    
7 H 0.265 0.116    
8 H 0.265 0.116    
9 C -0.488 -0.307    
10 N -0.511 -0.490    
11 C 0.333 0.384    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.804 1.381 0.000 4.047
CHELPG 3.833 1.375 0.000 4.072
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.347 4.703 0.000
y 4.703 -31.713 0.000
z 0.000 0.000 -27.984
Traceless
 xyz
x -12.498 4.703 0.000
y 4.703 3.452 0.000
z 0.000 0.000 9.046
Polar
3z2-r218.092
x2-y2-10.634
xy4.703
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.180 0.174 0.000
y 0.174 3.991 0.000
z 0.000 0.000 4.363


<r2> (average value of r2) Å2
<r2> 152.453
(<r2>)1/2 12.347