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 C5H9N (Propanenitrile, 2,2-dimethyl-)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-43.499813
Energy at 298.15K-43.509131
Nuclear repulsion energy122.199977
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3092 3013 82.66      
2 A1 2998 2922 20.53      
3 A1 2216 2160 9.37      
4 A1 1538 1498 16.07      
5 A1 1449 1412 2.68      
6 A1 1267 1234 22.60      
7 A1 870 848 0.08      
8 A1 668 651 2.38      
9 A1 375 366 1.02      
10 A2 3089 3010 0.00      
11 A2 1499 1461 0.00      
12 A2 982 957 0.00      
13 A2 201 196 0.00      
14 E 3095 3016 53.14      
14 E 3095 3016 53.21      
15 E 3083 3004 4.92      
15 E 3083 3004 4.92      
16 E 2991 2915 29.03      
16 E 2991 2915 29.03      
17 E 1521 1482 10.13      
17 E 1521 1482 10.13      
18 E 1510 1471 0.66      
18 E 1510 1471 0.66      
19 E 1421 1385 9.78      
19 E 1421 1385 9.78      
20 E 1235 1203 7.72      
20 E 1235 1203 7.72      
21 E 1059 1032 0.39      
21 E 1059 1032 0.38      
22 E 940 916 0.81      
22 E 940 916 0.81      
23 E 567 552 0.54      
23 E 567 552 0.54      
24 E 351 342 0.06      
24 E 351 342 0.06      
25 E 258 252 0.15      
25 E 258 252 0.15      
26 E 180 175 2.64      
26 E 180 175 2.64      

Unscaled Zero Point Vibrational Energy (zpe) 28332.1 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 27609.6 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 B3LYP/CEP-121G
ABC
0.14643 0.08880 0.08880

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.227
C2 0.000 0.000 1.270
C3 0.000 1.481 -0.727
C4 1.283 -0.741 -0.727
C5 -1.283 -0.741 -0.727
N6 0.000 0.000 2.454
H7 0.000 1.494 -1.825
H8 1.294 -0.747 -1.825
H9 -1.294 -0.747 -1.825
H10 -0.889 2.017 -0.374
H11 0.889 2.017 -0.374
H12 2.191 -0.238 -0.374
H13 1.302 -1.779 -0.374
H14 -1.302 -1.779 -0.374
H15 -2.191 -0.238 -0.374

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.49741.56341.56341.56342.68162.18732.18732.18732.20922.20922.20922.20922.20922.2092
C21.49742.48672.48672.48671.18423.43683.43683.43682.74972.74972.74972.74972.74972.7497
C31.56342.48672.56572.56573.50951.09792.80072.80071.09671.09672.80803.52823.52822.8080
C41.56342.48672.56572.56573.50952.80071.09792.80073.52822.80801.09671.09672.80803.5282
C51.56342.48672.56572.56573.50952.80072.80071.09792.80803.52823.52822.80801.09671.0967
N62.68161.18423.50953.50953.50954.53264.53264.53263.58553.58553.58553.58553.58553.5855
H72.18733.43681.09792.80072.80074.53262.58742.58741.78081.78083.14803.80943.80943.1480
H82.18733.43682.80071.09792.80074.53262.58742.58743.80943.14801.78081.78083.14803.8094
H92.18733.43682.80072.80071.09794.53262.58742.58743.14803.80943.80943.14801.78081.7808
H102.20922.74971.09673.52822.80803.58551.78083.80943.14801.77843.81814.38293.81812.6045
H112.20922.74971.09672.80803.52823.58551.78083.14803.80941.77842.60453.81814.38293.8181
H122.20922.74972.80801.09673.52823.58553.14801.78083.80943.81812.60451.77843.81814.3829
H132.20922.74973.52821.09672.80803.58553.80941.78083.14804.38293.81811.77842.60453.8181
H142.20922.74973.52822.80801.09673.58553.80943.14801.78083.81814.38293.81812.60451.7784
H152.20922.74972.80803.52821.09673.58553.14803.80941.78082.60453.81814.38293.81811.7784

picture of Propanenitrile, 2,2-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N6 180.000 C1 C3 H7 109.304
C1 C3 H10 111.084 C1 C3 H11 111.084
C1 C4 H8 109.304 C1 C4 H12 111.084
C1 C4 H13 111.084 C1 C5 H9 109.304
C1 C5 H14 111.084 C1 C5 H15 111.084
C2 C1 C3 108.649 C2 C1 C4 108.649
C2 C1 C5 108.649 C3 C1 C4 110.281
C3 C1 C5 110.281 C4 C1 C5 110.281
H7 C3 H10 108.475 H7 C3 H11 108.475
H8 C4 H12 108.475 H8 C4 H13 108.476
H9 C5 H14 108.476 H9 C5 H15 108.475
H10 C3 H11 108.343 H12 C4 H13 108.343
H14 C5 H15 108.343
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.344      
2 C -0.487      
3 C -0.523      
4 C -0.523      
5 C -0.523      
6 N 0.235      
7 H 0.158      
8 H 0.158      
9 H 0.158      
10 H 0.167      
11 H 0.167      
12 H 0.167      
13 H 0.167      
14 H 0.167      
15 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.197 4.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.985 0.000 0.000
y 0.000 -36.985 0.000
z 0.000 0.000 -49.015
Traceless
 xyz
x 6.015 0.000 0.000
y 0.000 6.015 0.000
z 0.000 0.000 -12.030
Polar
3z2-r2-24.060
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.201 0.000 0.000
y 0.000 8.201 0.000
z 0.000 0.000 10.434


<r2> (average value of r2) Å2
<r2> 141.740
(<r2>)1/2 11.905