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/STO-3G

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/STO-3G
 hartrees
Energy at 0K-247.456444
Energy at 298.15K-247.465359
Nuclear repulsion energy205.093640
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/STO-3G
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' 3374 3121 2.93      
2 A' 3246 3003 5.16      
3 A' 3230 2989 2.91      
4 A' 3211 2971 1.92      
5 A' 3211 2971 1.42      
6 A' 2259 2090 9.35      
7 A' 1653 1530 2.53      
8 A' 1634 1512 0.68      
9 A' 1618 1497 1.31      
10 A' 1585 1466 1.83      
11 A' 1531 1416 0.44      
12 A' 1477 1367 0.49      
13 A' 1420 1314 2.65      
14 A' 1335 1235 8.04      
15 A' 1170 1083 3.89      
16 A' 1091 1009 0.02      
17 A' 1043 965 0.11      
18 A' 953 882 1.31      
19 A' 909 841 1.25      
20 A' 517 478 1.27      
21 A' 378 349 0.54      
22 A' 273 253 0.68      
23 A' 124 115 2.72      
24 A" 3375 3123 5.49      
25 A" 3352 3102 2.92      
26 A" 3329 3080 1.27      
27 A" 3307 3059 0.06      
28 A" 1644 1521 3.84      
29 A" 1389 1285 0.10      
30 A" 1367 1265 0.00      
31 A" 1303 1206 0.09      
32 A" 1186 1097 0.03      
33 A" 984 910 1.28      
34 A" 831 769 0.13      
35 A" 761 704 8.20      
36 A" 355 328 0.10      
37 A" 228 211 0.05      
38 A" 108 100 0.43      
39 A" 78 72 1.90      

Unscaled Zero Point Vibrational Energy (zpe) 30418.5 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 28143.2 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/STO-3G
ABC
0.47903 0.04177 0.03960

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.424 0.000
C2 1.466 0.996 0.000
C3 1.484 2.565 0.000
C4 -0.001 -1.160 0.000
N5 -2.534 -2.168 0.000
C6 -1.404 -1.728 0.000
H7 2.529 2.938 0.000
H8 -0.547 0.786 0.898
H9 -0.547 0.786 -0.898
H10 2.006 0.619 0.896
H11 2.006 0.619 -0.896
H12 0.972 2.963 -0.899
H13 0.972 2.963 0.899
H14 0.537 -1.540 -0.900
H15 0.537 -1.540 0.900

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.57412.60551.58393.62442.56963.56561.11171.11172.20602.20602.86312.86312.22642.2264
C21.57411.56872.60865.10033.95772.21292.21412.21411.11221.11222.21782.21782.84782.8478
C32.60551.56874.01056.20855.17461.10872.84562.84562.20482.20481.10861.10864.30864.3086
C41.58392.60864.01052.72551.51344.81582.21122.21122.82852.82854.33034.33031.11571.1157
N53.62445.10036.20852.72551.21237.18983.67123.67125.40215.40216.27826.27823.26083.2608
C62.56963.95775.17461.51341.21236.10222.80392.80394.23614.23615.33455.33452.14772.1477
H73.56562.21291.10874.81587.18986.10223.85933.85932.53982.53981.79801.79804.98314.9831
H81.11172.21412.84562.21123.67122.80393.85931.79562.55813.12463.20502.65403.13332.5661
H91.11172.21412.84562.21123.67122.80393.85931.79563.12462.55812.65403.20502.56613.1333
H102.20601.11222.20482.82855.40214.23612.53982.55813.12461.79283.12792.56143.17052.6123
H112.20601.11222.20482.82855.40214.23612.53983.12462.55811.79282.56143.12792.61233.1705
H122.86312.21781.10864.33036.27825.33451.79803.20502.65403.12792.56141.79764.52414.8686
H132.86312.21781.10864.33036.27825.33451.79802.65403.20502.56143.12791.79764.86864.5241
H142.22642.84784.30861.11573.26082.14774.98313.13332.56613.17052.61234.52414.86861.8004
H152.22642.84784.30861.11573.26082.14774.98312.56613.13332.61233.17054.86864.52411.8004

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.997 C1 C2 H10 109.196
C1 C2 H11 109.196 C1 C4 C6 112.106
C1 C4 H14 109.909 C1 C4 H15 109.909
C2 C1 C4 111.383 C2 C1 H8 109.851
C2 C1 H9 109.851 C2 C3 H7 110.301
C2 C3 H12 110.687 C2 C3 H13 110.687
C3 C2 H10 109.470 C3 C2 H11 109.470
C4 C1 H8 108.971 C4 C1 H9 108.971
C4 C6 N5 179.192 C6 C4 H14 108.608
C6 C4 H15 108.608 H7 C3 H12 108.374
H7 C3 H13 108.374 H8 C1 H9 107.733
H10 C2 H11 107.402 H12 C3 H13 108.339
H14 C4 H15 107.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.120      
2 C -0.124      
3 C -0.212      
4 C -0.132      
5 N -0.186      
6 C 0.056      
7 H 0.074      
8 H 0.079      
9 H 0.079      
10 H 0.069      
11 H 0.069      
12 H 0.073      
13 H 0.073      
14 H 0.101      
15 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.904 1.463 0.000 3.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.157 -6.624 0.000
y -6.624 -38.711 0.000
z 0.000 0.000 -34.305
Traceless
 xyz
x -6.650 -6.624 0.000
y -6.624 0.020 0.000
z 0.000 0.000 6.629
Polar
3z2-r213.258
x2-y2-4.447
xy-6.624
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.666 1.330 0.000
y 1.330 4.776 0.000
z 0.000 0.000 3.533


<r2> (average value of r2) Å2
<r2> 269.372
(<r2>)1/2 16.413