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All results from a given calculation for C5H9N (Pentanenitrile)

using model chemistry: HF/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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-249.061733
Energy at 298.15K-249.071554
Nuclear repulsion energy211.379481
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 HF/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3235 2946 53.85      
2 A' 3205 2918 17.67      
3 A' 3182 2898 24.17      
4 A' 3164 2881 17.84      
5 A' 3156 2874 42.96      
6 A' 2578 2348 23.63      
7 A' 1610 1466 6.96      
8 A' 1597 1454 0.16      
9 A' 1589 1447 1.52      
10 A' 1577 1436 3.22      
11 A' 1535 1398 0.71      
12 A' 1521 1385 2.82      
13 A' 1466 1335 1.61      
14 A' 1371 1248 4.27      
15 A' 1208 1100 2.56      
16 A' 1131 1030 0.12      
17 A' 1086 989 0.27      
18 A' 992 903 2.03      
19 A' 955 870 4.96      
20 A' 589 536 0.79      
21 A' 407 371 0.97      
22 A' 305 278 2.13      
23 A' 137 124 7.45      
24 A" 3255 2964 38.19      
25 A" 3233 2944 73.66      
26 A" 3218 2931 0.54      
27 A" 3182 2898 9.08      
28 A" 1594 1452 6.62      
29 A" 1430 1302 0.12      
30 A" 1412 1285 0.34      
31 A" 1333 1214 0.00      
32 A" 1227 1117 0.04      
33 A" 998 909 0.33      
34 A" 844 769 0.00      
35 A" 777 708 2.76      
36 A" 424 387 1.70      
37 A" 263 240 0.17      
38 A" 122 111 0.19      
39 A" 94 86 4.95      

Unscaled Zero Point Vibrational Energy (zpe) 30500.9 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 27774.1 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 HF/aug-cc-pVDZ
ABC
0.51123 0.04430 0.04203

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.405 0.000
C2 1.424 0.959 0.000
C3 1.467 2.486 0.000
C4 -0.019 -1.129 0.000
N5 -2.450 -2.082 0.000
C6 -1.389 -1.674 0.000
H7 2.495 2.848 0.000
H8 -0.540 0.768 0.876
H9 -0.540 0.768 -0.876
H10 1.959 0.582 0.875
H11 1.959 0.582 -0.875
H12 0.969 2.893 -0.882
H13 0.969 2.893 0.882
H14 0.492 -1.522 -0.878
H15 0.492 -1.522 0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52812.54551.53453.49112.50023.49151.09091.09092.15322.15322.81182.81182.17402.1740
C21.52811.52752.53834.92513.85292.17112.15912.15911.09311.09312.17382.17382.79162.7916
C32.54551.52753.90836.01695.04531.09032.78292.78292.15272.15271.09141.09144.21674.2167
C41.53452.53833.90832.61131.47434.70482.15342.15342.75812.75814.23464.23461.08931.0893
N53.49114.92516.01692.61131.13706.98243.54053.54055.22535.22536.10056.10053.12143.1214
C62.50023.85295.04531.47431.13705.96052.72922.72924.13094.13095.21465.21462.08172.0817
H73.49152.17111.09034.70486.98245.96053.78213.78212.48742.48741.76311.76314.88604.8860
H81.09092.15912.78292.15343.54052.72923.78211.75142.50613.05733.14382.60653.06322.5114
H91.09092.15912.78292.15343.54052.72923.78211.75143.05732.50612.60653.14382.51143.0632
H102.15321.09312.15272.75815.22534.13092.48742.50613.05731.75093.06762.51423.10682.5645
H112.15321.09312.15272.75815.22534.13092.48743.05732.50611.75092.51423.06762.56453.1068
H122.81182.17381.09144.23466.10055.21461.76313.14382.60653.06762.51421.76434.44024.7765
H132.81182.17381.09144.23466.10055.21461.76312.60653.14382.51423.06761.76434.77654.4402
H142.17402.79164.21671.08933.12142.08174.88603.06322.51143.10682.56454.44024.77651.7564
H152.17402.79164.21671.08933.12142.08174.88602.51143.06322.56453.10684.77654.44021.7564

picture of Pentanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.833 C1 C2 H10 109.338
C1 C2 H11 109.338 C1 C4 C6 112.380
C1 C4 H14 110.760 C1 C4 H15 110.760
C2 C1 C4 111.954 C2 C1 H8 109.933
C2 C1 H9 109.933 C2 C3 H7 110.963
C2 C3 H12 111.113 C2 C3 H13 111.113
C3 C2 H10 109.346 C3 C2 H11 109.346
C4 C1 H8 109.044 C4 C1 H9 109.044
C4 C6 N5 179.350 C6 C4 H14 107.639
C6 C4 H15 107.639 H7 C3 H12 107.826
H7 C3 H13 107.826 H8 C1 H9 106.789
H10 C2 H11 106.437 H12 C3 H13 107.849
H14 C4 H15 107.460
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.136      
2 C 0.354      
3 C 0.464      
4 C 0.797      
5 N -0.292      
6 C -0.350      
7 H -0.064      
8 H -0.216      
9 H -0.216      
10 H -0.177      
11 H -0.177      
12 H -0.071      
13 H -0.071      
14 H -0.060      
15 H -0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.118 2.035 0.000 4.593
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.548 -8.828 0.000
y -8.828 -43.389 0.000
z 0.000 0.000 -37.247
Traceless
 xyz
x -9.230 -8.828 0.000
y -8.828 0.009 0.000
z 0.000 0.000 9.221
Polar
3z2-r218.442
x2-y2-6.159
xy-8.828
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 258.498
(<r2>)1/2 16.078