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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B1B95/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/CEP-31G
 hartrees
Energy at 0K-43.409140
Energy at 298.15K-43.418495
Nuclear repulsion energy114.618999
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 B1B95/CEP-31G
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' 3159 3025 60.18      
2 A' 3088 2957 49.02      
3 A' 3082 2951 5.65      
4 A' 3063 2933 16.14      
5 A' 3059 2929 55.40      
6 A' 2288 2191 16.09      
7 A' 1517 1453 20.71      
8 A' 1506 1442 2.00      
9 A' 1500 1436 1.58      
10 A' 1484 1421 6.08      
11 A' 1425 1365 10.50      
12 A' 1400 1341 1.15      
13 A' 1354 1296 1.81      
14 A' 1286 1231 1.96      
15 A' 1134 1086 9.20      
16 A' 1099 1053 0.56      
17 A' 1054 1009 0.76      
18 A' 948 908 0.45      
19 A' 916 877 6.46      
20 A' 532 509 3.13      
21 A' 375 359 0.84      
22 A' 271 260 0.67      
23 A' 122 116 5.07      
24 A" 3163 3029 148.57      
25 A" 3154 3020 1.33      
26 A" 3133 3000 3.73      
27 A" 3104 2972 7.31      
28 A" 1506 1442 12.88      
29 A" 1321 1265 0.19      
30 A" 1302 1246 0.23      
31 A" 1232 1180 0.03      
32 A" 1125 1077 0.41      
33 A" 931 891 1.57      
34 A" 792 758 0.16      
35 A" 734 703 10.86      
36 A" 380 364 0.06      
37 A" 230 220 0.04      
38 A" 106 101 0.43      
39 A" 81 78 3.99      

Unscaled Zero Point Vibrational Energy (zpe) 28977.4 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 27745.9 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 B1B95/CEP-31G
ABC
0.49457 0.04317 0.04092

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.417 0.000
C2 1.441 0.978 0.000
C3 1.458 2.524 0.000
C4 -0.006 -1.138 0.000
N5 -2.485 -2.138 0.000
C6 -1.379 -1.703 0.000
H7 2.488 2.914 0.000
H8 -0.545 0.785 0.885
H9 -0.545 0.785 -0.885
H10 1.983 0.600 0.886
H11 1.983 0.600 -0.886
H12 0.945 2.924 -0.890
H13 0.945 2.924 0.890
H14 0.528 -1.518 -0.887
H15 0.528 -1.518 0.887

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.54672.56261.55453.56402.52833.52531.10281.10282.17972.17972.82372.82372.19232.1923
C21.54671.54602.56345.01263.89092.20092.18332.18331.10481.10482.19702.19702.80182.8018
C32.56261.54603.94366.10595.09031.10162.79652.79652.18172.18171.10291.10294.24114.2411
C41.55452.56343.94362.67351.48474.75792.18442.18442.78612.78614.26574.26571.10231.1023
N53.56405.01266.10592.67351.18887.08923.61803.61805.31515.31516.17936.17933.20113.2011
C62.52833.89095.09031.48471.18886.02222.76872.76874.17044.17045.25355.25352.11072.1107
H73.52532.20091.10164.75797.08926.02223.81033.81032.52812.52811.78201.78204.92654.9265
H81.10282.18332.79652.18443.61802.76873.81031.76982.53533.09233.15412.60713.09712.5403
H91.10282.18332.79652.18443.61802.76873.81031.76983.09232.53532.60713.15412.54033.0971
H102.17971.10482.18172.78615.31514.17042.52812.53533.09231.77123.10352.54513.12212.5702
H112.17971.10482.18172.78615.31514.17042.52813.09232.53531.77122.54513.10352.57023.1221
H122.82372.19701.10294.26576.17935.25351.78203.15412.60713.10352.54511.78094.46144.8024
H132.82372.19701.10294.26576.17935.25351.78202.60713.15412.54513.10351.78094.80244.4614
H142.19232.80184.24111.10233.20112.11074.92653.09712.54033.12212.57024.46144.80241.7736
H152.19232.80184.24111.10233.20112.11074.92652.54033.09712.57023.12214.80244.46141.7736

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.904 C1 C2 H10 109.454
C1 C2 H11 109.454 C1 C4 C6 112.566
C1 C4 H14 110.046 C1 C4 H15 110.046
C2 C1 C4 111.497 C2 C1 H8 109.849
C2 C1 H9 109.849 C2 C3 H7 111.348
C2 C3 H12 110.964 C2 C3 H13 110.964
C3 C2 H10 109.658 C3 C2 H11 109.658
C4 C1 H8 109.401 C4 C1 H9 109.401
C4 C6 N5 179.139 C6 C4 H14 108.446
C6 C4 H15 108.446 H7 C3 H12 107.863
H7 C3 H13 107.863 H8 C1 H9 106.725
H10 C2 H11 106.567 H12 C3 H13 107.682
H14 C4 H15 107.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.341      
2 C -0.157      
3 C -0.371      
4 C -0.178      
5 N 0.407      
6 C -0.590      
7 H 0.166      
8 H 0.138      
9 H 0.138      
10 H 0.108      
11 H 0.108      
12 H 0.128      
13 H 0.128      
14 H 0.158      
15 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.949 1.991 0.000 4.422
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.307 -8.877 0.000
y -8.877 -42.402 0.000
z 0.000 0.000 -36.102
Traceless
 xyz
x -9.055 -8.877 0.000
y -8.877 -0.198 0.000
z 0.000 0.000 9.253
Polar
3z2-r218.505
x2-y2-5.904
xy-8.877
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.297 1.845 0.000
y 1.845 8.564 0.000
z 0.000 0.000 6.306


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000