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All results from a given calculation for CH3CH(CH3)CN (Propanenitrile, 2-methyl-)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-210.231865
Energy at 298.15K-210.239296
HF Energy-210.231865
Nuclear repulsion energy158.421434
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 B3LYP/3-21G
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' 3138 3028 23.84      
2 A' 3133 3023 28.04      
3 A' 3063 2955 13.65      
4 A' 3059 2952 1.87      
5 A' 2342 2260 3.18      
6 A' 1573 1518 13.62      
7 A' 1566 1511 9.87      
8 A' 1471 1419 4.94      
9 A' 1390 1341 2.62      
10 A' 1217 1174 5.16      
11 A' 1170 1129 10.07      
12 A' 925 892 0.78      
13 A' 775 748 0.42      
14 A' 590 569 1.71      
15 A' 364 351 0.14      
16 A' 300 290 0.88      
17 A' 238 229 0.80      
18 A" 3135 3025 12.72      
19 A" 3127 3017 1.38      
20 A" 3059 2952 13.83      
21 A" 1554 1499 4.93      
22 A" 1553 1499 0.29      
23 A" 1453 1402 7.66      
24 A" 1344 1297 0.20      
25 A" 1131 1091 3.74      
26 A" 990 955 1.18      
27 A" 969 935 2.59      
28 A" 618 596 0.47      
29 A" 234 226 0.05      
30 A" 216 208 2.72      

Unscaled Zero Point Vibrational Energy (zpe) 22847.8 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 22045.9 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 B3LYP/3-21G
ABC
0.26273 0.13121 0.09616

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.153 -2.215 0.000
C2 -0.107 -1.080 0.000
C3 -0.417 0.352 0.000
C4 0.153 1.023 1.279
C5 0.153 1.023 -1.279
H6 -1.510 0.458 0.000
H7 -0.108 2.086 1.277
H8 -0.259 0.559 2.180
H9 1.243 0.926 1.298
H10 -0.108 2.086 -1.277
H11 -0.259 0.559 -2.180
H12 1.243 0.926 -1.298

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16462.62993.48103.48103.14794.49443.55233.56954.49443.55233.5695
C21.16461.46542.47432.47432.08163.41382.73162.74413.41382.73162.7441
C32.62991.46541.55171.55171.09822.17532.19542.18322.17532.19542.1832
C43.48102.47431.55172.55722.17161.09491.09391.09442.78033.51372.7992
C53.48102.47431.55172.55722.17162.78033.51372.79921.09491.09391.0944
H63.14792.08161.09822.17162.17162.49932.51523.07862.49932.51523.0786
H74.49443.41382.17531.09492.78032.49931.78031.78012.55423.78233.1303
H83.55232.73162.19541.09393.51372.51521.78031.77983.78234.35993.8060
H93.56952.74412.18321.09442.79923.07861.78011.77983.13033.80602.5958
H104.49443.41382.17532.78031.09492.49932.55423.78233.13031.78031.7801
H113.55232.73162.19543.51371.09392.51523.78234.35993.80601.78031.7798
H123.56952.74412.18322.79921.09443.07863.13033.80602.59581.78011.7798

picture of Propanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.331 C2 C3 C4 110.160
C2 C3 C5 110.160 C2 C3 H6 107.728
C3 C4 H7 109.345 C3 C4 H8 110.980
C3 C4 H9 109.985 C3 C5 H10 109.345
C3 C5 H11 110.980 C3 C5 H12 109.985
C4 C3 C5 110.976 C4 C3 H6 108.869
C5 C3 H6 108.869 H7 C4 H8 108.856
H7 C4 H9 108.793 H8 C4 H9 108.841
H10 C5 H11 108.856 H10 C5 H12 108.793
H11 C5 H12 108.841
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.483      
2 C 0.379      
3 C -0.344      
4 C -0.517      
5 C -0.517      
6 H 0.248      
7 H 0.200      
8 H 0.210      
9 H 0.208      
10 H 0.200      
11 H 0.210      
12 H 0.208      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.622 3.661 0.000 3.714
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.176 0.745 0.000
y 0.745 -38.909 0.000
z 0.000 0.000 -29.870
Traceless
 xyz
x 4.213 0.745 0.000
y 0.745 -8.886 0.000
z 0.000 0.000 4.673
Polar
3z2-r29.345
x2-y28.733
xy0.745
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.012 -0.342 0.000
y -0.342 7.585 0.000
z 0.000 0.000 5.624


<r2> (average value of r2) Å2
<r2> 129.323
(<r2>)1/2 11.372