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All results from a given calculation for C5H9N (Butanenitrile, 2-methyl-)

using model chemistry: HF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/aug-cc-pVTZ
 hartrees
Energy at 0K-249.120617
Energy at 298.15K-249.130458
Nuclear repulsion energy221.184230
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-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 3254 2962 29.07      
2 A 3241 2950 34.13      
3 A 3232 2942 61.18      
4 A 3221 2932 45.15      
5 A 3201 2914 3.38      
6 A 3182 2897 7.50      
7 A 3176 2891 13.50      
8 A 3169 2885 12.80      
9 A 3160 2877 26.62      
10 A 2574 2344 22.57      
11 A 1628 1482 1.96      
12 A 1625 1480 8.19      
13 A 1617 1472 5.25      
14 A 1612 1468 7.89      
15 A 1607 1463 0.32      
16 A 1545 1406 3.65      
17 A 1543 1405 1.08      
18 A 1511 1375 1.09      
19 A 1469 1337 2.08      
20 A 1436 1307 4.85      
21 A 1395 1270 1.43      
22 A 1289 1174 2.47      
23 A 1229 1119 0.18      
24 A 1210 1101 6.74      
25 A 1108 1009 1.82      
26 A 1067 972 0.20      
27 A 1042 948 2.79      
28 A 949 864 0.53      
29 A 867 790 1.07      
30 A 817 744 2.71      
31 A 626 570 0.38      
32 A 584 531 1.82      
33 A 423 385 0.33      
34 A 353 322 1.79      
35 A 298 271 0.34      
36 A 230 210 0.14      
37 A 225 205 3.15      
38 A 182 166 7.65      
39 A 93 85 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 30493.3 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 27761.1 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-pVTZ
ABC
0.21646 0.07435 0.05926

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.521 -0.313 0.111
N2 -2.560 -0.707 -0.083
C3 -0.063 1.649 -0.147
H4 -0.173 1.690 -1.224
H5 -0.837 2.261 0.296
H6 0.895 2.075 0.117
C7 2.312 -0.415 0.082
H8 2.455 -0.391 1.157
H9 2.979 -1.167 -0.322
H10 2.621 0.542 -0.318
C11 0.869 -0.751 -0.276
H12 0.741 -0.743 -1.353
H13 0.645 -1.758 0.054
C14 -0.160 0.204 0.353
H15 -0.026 0.197 1.429

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.12762.45812.75882.66943.39663.83514.11254.60124.25122.46032.72872.60481.47582.0578
N21.12763.43353.56993.45244.43974.88365.17555.56305.33433.43393.53673.37542.60333.0863
C32.45813.43351.08301.08171.08083.15533.49364.14902.90832.57762.79693.48591.53242.1436
H42.75883.56991.08301.75351.75693.50954.11224.34923.15382.81852.60283.76772.16723.0481
H52.66943.45241.08171.75351.75104.13864.31485.16683.91043.50823.77264.29062.16632.4907
H63.39664.43971.08081.75691.75102.86543.09803.87882.34932.85293.18203.84162.16062.4686
C73.83514.88363.15533.50954.13862.86541.08481.08281.08241.52492.15302.14132.56342.7672
H84.11255.17553.49364.11224.31483.09801.08481.75011.75372.16793.05972.52232.80022.5643
H94.60125.56304.14904.34925.16683.87881.08281.75011.74592.15172.50052.43723.49163.7358
H104.25125.33432.90833.15383.91042.34931.08241.75371.74592.17812.50123.05522.88113.1904
C112.46033.43392.57762.81853.50822.85291.52492.16792.15172.17811.08461.08341.53822.1462
H122.72873.53672.79692.60283.77263.18202.15303.05972.50052.50121.08461.73762.14953.0352
H132.60483.37543.48593.76774.29063.84162.14132.52232.43723.05521.08341.73762.14202.4828
C141.47582.60331.53242.16722.16632.16062.56342.80023.49162.88111.53822.14952.14201.0844
H152.05783.08632.14363.04812.49072.46862.76722.56433.73583.19042.14623.03522.48281.0844

picture of Butanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C14 C3 109.583 C1 C14 C11 109.409
C1 C14 H15 105.969 N2 C1 C14 179.547
C3 C14 C11 114.160 C3 C14 H15 108.796
H4 C3 H5 108.200 H4 C3 H6 108.572
H4 C3 C14 110.743 H5 C3 H6 108.140
H5 C3 C14 110.750 H6 C3 C14 110.350
C7 C11 H12 110.048 C7 C11 H13 109.191
C7 C11 C14 113.622 H8 C7 H9 107.678
H8 C7 H10 108.035 H8 C7 C11 111.220
H9 C7 H10 107.480 H9 C7 C11 110.047
H10 C7 C11 112.199 C11 C14 H15 108.595
H12 C11 H13 106.546 H12 C11 C14 108.844
H13 C11 C14 108.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.238      
2 N -0.753      
3 C -0.950      
4 H 0.291      
5 H 0.278      
6 H 0.285      
7 C -0.972      
8 H 0.256      
9 H 0.277      
10 H 0.303      
11 C -0.476      
12 H 0.242      
13 H 0.285      
14 C 0.376      
15 H 0.322      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.190 1.465 0.547 4.472
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.003 -4.235 -0.954
y -4.235 -37.940 -0.146
z -0.954 -0.146 -37.126
Traceless
 xyz
x -12.470 -4.235 -0.954
y -4.235 5.625 -0.146
z -0.954 -0.146 6.845
Polar
3z2-r213.691
x2-y2-12.063
xy-4.235
xz-0.954
yz-0.146


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.852 0.410 0.195
y 0.410 8.742 0.081
z 0.195 0.081 7.708


<r2> (average value of r2) Å2
<r2> 198.195
(<r2>)1/2 14.078