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 C3H6N2 (3-Aminopropionitrile)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-227.368864
Energy at 298.15K-227.375916
Nuclear repulsion energy154.744378
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 mPW1PW91/6-31+G**
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' 3568 3396 1.55      
2 A' 3095 2946 23.47      
3 A' 3077 2928 2.49      
4 A' 2383 2268 18.68      
5 A' 1680 1599 37.70      
6 A' 1502 1430 5.15      
7 A' 1471 1400 4.56      
8 A' 1402 1334 17.75      
9 A' 1303 1240 0.34      
10 A' 1139 1084 28.37      
11 A' 1022 972 31.43      
12 A' 967 921 3.79      
13 A' 775 738 237.18      
14 A' 528 502 3.16      
15 A' 380 362 8.08      
16 A' 164 156 7.23      
17 A" 3668 3491 5.46      
18 A" 3151 2999 16.86      
19 A" 3122 2972 0.01      
20 A" 1394 1327 0.01      
21 A" 1310 1247 0.13      
22 A" 1160 1104 0.01      
23 A" 970 924 0.41      
24 A" 761 725 2.08      
25 A" 393 374 0.01      
26 A" 307 292 50.38      
27 A" 106 101 2.06      

Unscaled Zero Point Vibrational Energy (zpe) 20399.0 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 19415.8 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 mPW1PW91/6-31+G**
ABC
0.83469 0.07599 0.07232

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.564 -0.086 0.822
H2 2.564 -0.086 -0.822
N3 2.216 -0.563 0.000
H4 0.479 -1.275 0.876
H5 0.479 -1.275 -0.876
C6 0.777 -0.693 0.000
H7 0.269 1.237 0.881
H8 0.269 1.237 -0.881
C9 0.000 0.644 0.000
N10 -2.589 0.257 0.000
C11 -1.446 0.448 0.000

Atom - Atom Distances (Å)
  H1 H2 N3 H4 H5 C6 H7 H8 C9 N10 C11
H11.64471.01242.40032.93992.05812.64953.14932.78975.22944.1277
H21.64471.01242.93992.40032.05813.14932.64952.78975.22944.1277
N31.01241.01242.07122.07121.44432.79412.79412.52344.87443.7986
H42.40032.93992.07121.75231.09332.52053.07262.16353.53962.7278
H52.93992.40032.07121.75231.09333.07262.52052.16353.53962.7278
C62.05812.05811.44431.09331.09332.18132.18131.54663.49782.4986
H72.64953.14932.79412.52053.07262.18131.76201.09533.14732.0830
H83.14932.64952.79413.07262.52052.18131.76201.09533.14732.0830
C92.78972.78972.52342.16352.16351.54661.09531.09532.61801.4591
N105.22945.22944.87443.53963.53963.49783.14733.14732.61801.1592
C114.12774.12773.79862.72782.72782.49862.08302.08301.45911.1592

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 108.639 H1 N3 C6 112.619
H2 N3 C6 112.619 N3 C6 H4 108.620
N3 C6 H5 108.620 N3 C6 C9 115.023
H4 C6 H5 106.522 H4 C6 C9 108.863
H5 C6 C9 108.863 C6 C9 H7 110.141
C6 C9 H8 110.141 C6 C9 C11 112.428
H7 C9 H8 107.103 H7 C9 C11 108.430
H8 C9 C11 108.430 C9 C11 N10 178.262
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.304      
2 H 0.304      
3 N -0.603      
4 H 0.186      
5 H 0.186      
6 C -0.326      
7 H 0.208      
8 H 0.208      
9 C -0.031      
10 N -0.470      
11 C 0.034      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.837 1.572 0.000 4.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.414 4.858 0.000
y 4.858 -31.857 0.000
z 0.000 0.000 -28.135
Traceless
 xyz
x -13.418 4.858 0.000
y 4.858 3.917 0.000
z 0.000 0.000 9.501
Polar
3z2-r219.001
x2-y2-11.557
xy4.858
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 152.761
(<r2>)1/2 12.360