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

using model chemistry: HF/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/cc-pVTZ
 hartrees
Energy at 0K-249.118377
Energy at 298.15K-249.128216
Nuclear repulsion energy221.174373
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/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 3253 2961 29.59      
2 A 3241 2949 35.15      
3 A 3232 2941 62.89      
4 A 3221 2931 46.28      
5 A 3201 2913 3.45      
6 A 3181 2895 8.32      
7 A 3175 2890 13.84      
8 A 3168 2883 13.60      
9 A 3160 2876 26.76      
10 A 2579 2347 19.26      
11 A 1628 1482 2.19      
12 A 1625 1479 7.92      
13 A 1616 1471 5.25      
14 A 1613 1468 7.96      
15 A 1607 1463 0.31      
16 A 1545 1406 3.65      
17 A 1544 1405 1.25      
18 A 1511 1375 1.07      
19 A 1469 1337 1.85      
20 A 1436 1307 4.48      
21 A 1395 1270 1.37      
22 A 1289 1173 2.42      
23 A 1229 1119 0.19      
24 A 1209 1101 6.47      
25 A 1109 1009 1.76      
26 A 1067 972 0.20      
27 A 1042 948 2.94      
28 A 949 864 0.54      
29 A 868 790 1.06      
30 A 817 744 2.65      
31 A 625 569 0.28      
32 A 583 531 1.66      
33 A 423 385 0.33      
34 A 353 321 1.60      
35 A 298 271 0.31      
36 A 231 210 0.12      
37 A 224 204 2.97      
38 A 182 165 7.30      
39 A 94 85 1.83      

Unscaled Zero Point Vibrational Energy (zpe) 30494.4 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 27752.9 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 HF/cc-pVTZ
ABC
0.21651 0.07434 0.05925

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/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 -0.838 2.261 0.295
H6 0.894 2.075 0.117
C7 2.313 -0.415 0.081
H8 2.456 -0.389 1.156
H9 2.979 -1.167 -0.321
H10 2.621 0.542 -0.321
C11 0.868 -0.751 -0.275
H12 0.740 -0.745 -1.352
H13 0.645 -1.758 0.057
C14 -0.160 0.204 0.354
H15 -0.027 0.197 1.430

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6 C7 H8 H9 H10 C11 H12 H13 C14 H15
C11.12792.45782.75852.66923.39683.83524.11334.60134.25142.45992.72742.60501.47562.0578
N21.12793.43343.56963.45204.44004.88405.17705.56355.33453.43403.53533.37632.60353.0866
C32.45783.43341.08311.08171.08093.15483.49234.14902.90842.57752.79773.48581.53252.1439
H42.75853.56961.08311.75331.75683.50844.11064.34873.15242.81832.60353.76802.16743.0484
H52.66923.45201.08171.75331.75104.13874.31435.16723.91113.50823.77314.29062.16642.4912
H63.39684.44001.08091.75681.75102.86583.09693.87982.35062.85373.18413.84222.16132.4696
C73.83524.88403.15483.50844.13872.86581.08491.08291.08251.52502.15322.14132.56382.7688
H84.11335.17703.49234.11064.31433.09691.08491.75011.75382.16813.06012.52272.80052.5658
H94.60135.56354.14904.34875.16723.87981.08291.75011.74592.15212.50102.43733.49213.7371
H104.25145.33452.90843.15243.91112.35061.08251.75381.74592.17832.50143.05542.88213.1931
C112.45993.43402.57752.81833.50822.85371.52502.16812.15212.17831.08471.08341.53822.1466
H122.72743.53532.79772.60353.77313.18412.15323.06012.50102.50141.08471.73762.14973.0358
H132.60503.37633.48583.76804.29063.84222.14132.52272.43733.05541.08341.73762.14192.4824
C141.47562.60351.53252.16742.16642.16132.56382.80053.49212.88211.53822.14972.14191.0846
H152.05783.08662.14393.04842.49122.46962.76882.56583.73713.19312.14663.03582.48241.0846

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 109.572 C1 C14 C11 109.395
C1 C14 H15 105.976 N2 C1 C14 179.553
C3 C14 C11 114.148 C3 C14 H15 108.805
H4 C3 H5 108.176 H4 C3 H6 108.555
H4 C3 C14 110.748 H5 C3 H6 108.124
H5 C3 C14 110.753 H6 C3 C14 110.398
C7 C11 H12 110.048 C7 C11 H13 109.184
C7 C11 C14 113.646 H8 C7 H9 107.667
H8 C7 H10 108.025 H8 C7 C11 111.228
H9 C7 H10 107.465 H9 C7 C11 110.067
H10 C7 C11 112.205 C11 C14 H15 108.618
H12 C11 H13 106.529 H12 C11 C14 108.857
H13 C11 C14 108.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.084 0.236   0.209
2 N -0.105 -0.484   -0.465
3 C -0.294 -0.198   -0.360
4 H 0.109 0.058   0.111
5 H 0.124 0.057   0.109
6 H 0.109 0.048   0.091
7 C -0.312 -0.170   -0.207
8 H 0.095 0.035   0.050
9 H 0.118 0.055   0.068
10 H 0.099 0.038   0.054
11 C -0.170 0.085   0.012
12 H 0.113 -0.009   0.031
13 H 0.121 -0.013   0.017
14 C -0.067 0.274   0.249
15 H 0.145 -0.013   0.030


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.115 1.439 0.537 4.393
CHELPG        
AIM        
ESP 4.133 1.453 0.529 4.412


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.735 -4.159 -0.937
y -4.159 -37.881 -0.137
z -0.937 -0.137 -37.088
Traceless
 xyz
x -12.250 -4.159 -0.937
y -4.159 5.531 -0.137
z -0.937 -0.137 6.719
Polar
3z2-r213.439
x2-y2-11.854
xy-4.159
xz-0.937
yz-0.137


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.402 0.412 0.207
y 0.412 8.304 0.091
z 0.207 0.091 7.300


<r2> (average value of r2) Å2
<r2> 198.128
(<r2>)1/2 14.076