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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: B1B95/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-250.643174
Energy at 298.15K-250.652644
Nuclear repulsion energy212.306768
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/cc-pVTZ
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' 3134 2999 29.74      
2 A' 3071 2939 31.04      
3 A' 3061 2930 4.81      
4 A' 3055 2924 21.81      
5 A' 3041 2911 18.76      
6 A' 2388 2286 15.51      
7 A' 1511 1446 9.55      
8 A' 1498 1433 0.93      
9 A' 1488 1424 0.82      
10 A' 1469 1406 3.45      
11 A' 1412 1352 3.26      
12 A' 1403 1343 0.50      
13 A' 1355 1297 2.35      
14 A' 1274 1219 1.10      
15 A' 1132 1083 3.53      
16 A' 1083 1037 0.15      
17 A' 1040 995 0.99      
18 A' 951 910 0.29      
19 A' 912 873 2.40      
20 A' 547 523 0.66      
21 A' 380 363 0.76      
22 A' 274 263 1.17      
23 A' 123 118 5.83      
24 A" 3127 2993 59.22      
25 A" 3118 2984 4.37      
26 A" 3097 2964 2.13      
27 A" 3070 2938 6.39      
28 A" 1498 1434 8.12      
29 A" 1333 1275 0.08      
30 A" 1313 1256 0.59      
31 A" 1241 1188 0.04      
32 A" 1136 1087 0.02      
33 A" 930 890 0.71      
34 A" 788 754 0.03      
35 A" 732 701 4.66      
36 A" 393 376 0.39      
37 A" 240 230 0.10      
38 A" 115 110 0.60      
39 A" 86 83 3.77      

Unscaled Zero Point Vibrational Energy (zpe) 28908.0 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 27667.9 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/cc-pVTZ
ABC
0.51511 0.04485 0.04254

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.406 0.000
C2 1.417 0.952 0.000
C3 1.454 2.469 0.000
C4 -0.022 -1.120 0.000
N5 -2.441 -2.075 0.000
C6 -1.369 -1.663 0.000
H7 2.476 2.841 0.000
H8 -0.540 0.772 0.873
H9 -0.540 0.772 -0.873
H10 1.950 0.571 0.873
H11 1.950 0.571 -0.873
H12 0.954 2.873 -0.879
H13 0.954 2.873 0.879
H14 0.501 -1.507 -0.875
H15 0.501 -1.507 0.875

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.51822.52371.52703.48022.48143.47251.08981.08982.14262.14262.78692.78692.16262.1626
C21.51821.51732.52304.90313.82112.16542.15022.15021.09171.09172.16252.16252.76592.7659
C32.52371.51733.88115.98455.00461.08772.76032.76032.14742.14741.08901.08904.18104.1810
C41.52702.52303.88112.60021.45244.68312.14752.14752.74032.74034.20394.20391.09021.0902
N53.48024.90315.98452.60021.14796.95253.53233.53235.19965.19966.06416.06413.12143.1214
C62.48143.82115.00461.45241.14795.92222.71652.71654.09484.09485.17175.17172.07082.0708
H73.47252.16541.08774.68316.95255.92223.76043.76042.48832.48831.75841.75844.85454.8545
H81.08982.15022.76032.14753.53232.71653.76041.74622.49803.04773.11702.57813.05492.5053
H91.08982.15022.76032.14753.53232.71653.76041.74623.04772.49802.57813.11702.50533.0549
H102.14261.09172.14742.74035.19964.09482.48832.49803.04771.74563.05972.50883.07732.5327
H112.14261.09172.14742.74035.19964.09482.48833.04772.49801.74562.50883.05972.53273.0773
H122.78692.16251.08904.20396.06415.17171.75843.11702.57813.05972.50881.75754.40324.7396
H132.78692.16251.08904.20396.06415.17171.75842.57813.11702.50883.05971.75754.73964.4032
H142.16262.76594.18101.09023.12142.07084.85453.05492.50533.07732.53274.40324.73961.7501
H152.16262.76594.18101.09023.12142.07084.85452.50533.05492.53273.07734.73964.40321.7501

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.488 C1 C2 H10 109.277
C1 C2 H11 109.277 C1 C4 C6 112.764
C1 C4 H14 110.330 C1 C4 H15 110.330
C2 C1 C4 111.893 C2 C1 H8 109.988
C2 C1 H9 109.988 C2 C3 H7 111.387
C2 C3 H12 111.075 C2 C3 H13 111.075
C3 C2 H10 109.715 C3 C2 H11 109.715
C4 C1 H8 109.164 C4 C1 H9 109.164
C4 C6 N5 179.055 C6 C4 H14 108.216
C6 C4 H15 108.216 H7 C3 H12 107.769
H7 C3 H13 107.769 H8 C1 H9 106.490
H10 C2 H11 106.170 H12 C3 H13 107.592
H14 C4 H15 106.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.205      
2 C -0.215      
3 C -0.361      
4 C -0.204      
5 N -0.077      
6 C -0.085      
7 H 0.123      
8 H 0.132      
9 H 0.132      
10 H 0.115      
11 H 0.115      
12 H 0.116      
13 H 0.116      
14 H 0.148      
15 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.829 1.933 0.000 4.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.853 -8.074 0.000
y -8.074 -42.257 0.000
z 0.000 0.000 -36.682
Traceless
 xyz
x -8.383 -8.074 0.000
y -8.074 0.010 0.000
z 0.000 0.000 8.373
Polar
3z2-r216.746
x2-y2-5.595
xy-8.074
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.429 1.859 0.000
y 1.859 9.923 0.000
z 0.000 0.000 7.502


<r2> (average value of r2) Å2
<r2> 255.068
(<r2>)1/2 15.971