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 (Pentanenitrile)

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-250.591199
Energy at 298.15K-250.600443
Nuclear repulsion energy208.641637
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 BLYP/aug-cc-pVDZ
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' 3025 3020 35.68      
2 A' 2970 2964 42.86      
3 A' 2957 2952 2.46      
4 A' 2954 2948 23.32      
5 A' 2940 2935 21.94      
6 A' 2238 2234 13.25      
7 A' 1450 1448 6.78      
8 A' 1435 1433 0.21      
9 A' 1428 1425 1.30      
10 A' 1409 1406 2.86      
11 A' 1355 1352 1.91      
12 A' 1335 1333 0.20      
13 A' 1297 1295 2.83      
14 A' 1222 1220 2.72      
15 A' 1080 1078 2.76      
16 A' 1023 1021 0.10      
17 A' 979 977 1.18      
18 A' 906 905 0.16      
19 A' 871 869 1.80      
20 A' 518 517 1.13      
21 A' 371 370 0.69      
22 A' 271 271 0.77      
23 A' 123 123 5.77      
24 A" 3020 3014 77.25      
25 A" 3011 3005 2.32      
26 A" 2988 2983 0.26      
27 A" 2966 2960 8.45      
28 A" 1436 1433 6.63      
29 A" 1281 1278 0.15      
30 A" 1264 1261 0.45      
31 A" 1192 1190 0.01      
32 A" 1093 1091 0.06      
33 A" 899 898 0.33      
34 A" 765 764 0.05      
35 A" 707 705 3.23      
36 A" 361 361 0.24      
37 A" 227 227 0.10      
38 A" 105 105 0.38      
39 A" 78 78 3.88      

Unscaled Zero Point Vibrational Energy (zpe) 27775.2 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 27722.4 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 BLYP/aug-cc-pVDZ
ABC
0.50075 0.04322 0.04102

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.415 0.000
C2 1.440 0.970 0.000
C3 1.488 2.512 0.000
C4 -0.027 -1.140 0.000
N5 -2.489 -2.112 0.000
C6 -1.393 -1.692 0.000
H7 2.531 2.876 0.000
H8 -0.548 0.784 0.887
H9 -0.548 0.784 -0.887
H10 1.981 0.583 0.887
H11 1.981 0.583 -0.887
H12 0.984 2.927 -0.894
H13 0.984 2.927 0.894
H14 0.505 -1.531 -0.889
H15 0.505 -1.531 0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54322.57101.55513.54662.52553.53051.10631.10632.17742.17742.84242.84242.19772.1977
C21.54321.54272.56984.99313.88702.19662.18492.18491.10871.10872.19942.19942.81352.8135
C32.57101.54273.95356.09835.09581.10532.81362.81362.17932.17931.10651.10654.25404.2540
C41.55512.56983.95352.64641.47314.76182.18182.18182.79132.79134.28534.28531.10741.1074
N53.54664.99316.09832.64641.17347.07673.59723.59725.29465.29466.18496.18493.17663.1766
C62.52553.88705.09581.47311.17346.02202.76232.76234.16534.16535.27115.27112.10232.1023
H73.53052.19661.10534.76187.07676.02203.82693.82692.51912.51911.78691.78694.93104.9310
H81.10632.18492.81362.18183.59722.76233.82691.77492.53733.09613.18032.63473.10182.5427
H91.10632.18492.81362.18183.59722.76233.82691.77493.09612.53732.63473.18032.54273.1018
H102.17741.10872.17932.79135.29464.16532.51912.53733.09611.77373.10762.54693.13092.5784
H112.17741.10872.17932.79135.29464.16532.51913.09612.53731.77372.54693.10762.57843.1309
H122.84242.19941.10654.28536.18495.27111.78693.18032.63473.10762.54691.78764.48334.8248
H132.84242.19941.10654.28536.18495.27111.78692.63473.18032.54693.10761.78764.82484.4833
H142.19772.81354.25401.10743.17662.10234.93103.10182.54273.13092.57844.48334.82481.7781
H152.19772.81354.25401.10743.17662.10234.93102.54273.10182.57843.13094.82484.48331.7781

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.846 C1 C2 H10 109.295
C1 C2 H11 109.295 C1 C4 C6 112.994
C1 C4 H14 110.133 C1 C4 H15 110.133
C2 C1 C4 112.079 C2 C1 H8 110.008
C2 C1 H9 110.008 C2 C3 H7 111.026
C2 C3 H12 111.168 C2 C3 H13 111.168
C3 C2 H10 109.469 C3 C2 H11 109.469
C4 C1 H8 108.958 C4 C1 H9 108.958
C4 C6 N5 178.996 C6 C4 H14 108.279
C6 C4 H15 108.279 H7 C3 H12 107.782
H7 C3 H13 107.782 H8 C1 H9 106.672
H10 C2 H11 106.251 H12 C3 H13 107.755
H14 C4 H15 106.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.983      
2 C 1.314      
3 C 0.980      
4 C 1.266      
5 N -0.189      
6 C -0.226      
7 H -0.339      
8 H -0.603      
9 H -0.603      
10 H -0.550      
11 H -0.550      
12 H -0.324      
13 H -0.324      
14 H -0.418      
15 H -0.418      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.915 1.985 0.000 4.389
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.560 -8.398 0.000
y -8.398 -43.703 0.000
z 0.000 0.000 -37.797
Traceless
 xyz
x -8.810 -8.398 0.000
y -8.398 -0.025 0.000
z 0.000 0.000 8.835
Polar
3z2-r217.669
x2-y2-5.857
xy-8.398
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.885 2.140 0.000
y 2.140 11.404 0.000
z 0.000 0.000 8.526


<r2> (average value of r2) Å2
<r2> 264.363
(<r2>)1/2 16.259