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

using model chemistry: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-211.003502
Energy at 298.15K-211.010768
HF Energy-210.836687
Nuclear repulsion energy157.651421
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 B2PLYP/6-31G
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' 3163 3163 26.89      
2 A' 3158 3158 44.07      
3 A' 3073 3073 17.46      
4 A' 3059 3059 6.75      
5 A' 2223 2223 1.38      
6 A' 1570 1570 12.23      
7 A' 1563 1563 9.32      
8 A' 1486 1486 3.48      
9 A' 1396 1396 5.01      
10 A' 1235 1235 3.88      
11 A' 1173 1173 7.78      
12 A' 942 942 0.41      
13 A' 773 773 0.73      
14 A' 552 552 1.44      
15 A' 363 363 0.21      
16 A' 283 283 0.56      
17 A' 215 215 1.59      
18 A" 3161 3161 16.85      
19 A" 3153 3153 0.49      
20 A" 3071 3071 19.10      
21 A" 1553 1553 2.38      
22 A" 1552 1552 2.60      
23 A" 1468 1468 5.33      
24 A" 1369 1369 0.44      
25 A" 1154 1154 3.53      
26 A" 1003 1003 0.07      
27 A" 977 977 2.43      
28 A" 561 561 0.67      
29 A" 230 230 0.02      
30 A" 183 183 3.51      

Unscaled Zero Point Vibrational Energy (zpe) 22831.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22831.2 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 B2PLYP/6-31G
ABC
0.26259 0.12889 0.09462

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.411 -2.210 0.000
C2 0.026 -1.092 0.000
C3 -0.441 0.310 0.000
C4 0.026 1.042 1.281
C5 0.026 1.042 -1.281
H6 -1.540 0.282 0.000
H7 -0.370 2.063 1.284
H8 -0.326 0.530 2.181
H9 1.118 1.094 1.317
H10 -0.370 2.063 -1.284
H11 -0.326 0.530 -2.181
H12 1.118 1.094 -1.317

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.18262.65933.51603.51603.16454.52883.57873.62574.52883.57873.6257
C21.18261.47672.48862.48862.08243.42842.74062.77573.42842.74062.7757
C32.65931.47671.54761.54761.09892.17412.19522.18672.17412.19522.1867
C43.51602.48861.54762.56182.16051.09461.09371.09462.78843.51722.8190
C53.51602.48861.54762.56182.16052.78843.51722.81901.09461.09371.0946
H63.16452.08241.09892.16052.16052.48732.50803.07542.48732.50803.0754
H74.52883.42842.17411.09462.78842.48731.77641.77622.56743.78883.1494
H83.57872.74062.19521.09373.51722.50801.77641.77513.78884.36213.8265
H93.62572.77572.18671.09462.81903.07541.77621.77513.14943.82652.6344
H104.52883.42842.17412.78841.09462.48732.56743.78883.14941.77641.7762
H113.57872.74062.19523.51721.09372.50803.78884.36213.82651.77641.7751
H123.62572.77572.18672.81901.09463.07543.14943.82652.63441.77621.7751

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 179.380 C2 C3 C4 110.720
C2 C3 C5 110.720 C2 C3 H6 106.988
C3 C4 H7 109.542 C3 C4 H8 111.264
C3 C4 H9 110.536 C3 C5 H10 109.542
C3 C5 H11 111.264 C3 C5 H12 110.536
C4 C3 C5 111.722 C4 C3 H6 108.255
C5 C3 H6 108.255 H7 C4 H8 108.544
H7 C4 H9 108.460 H8 C4 H9 108.425
H10 C5 H11 108.544 H10 C5 H12 108.460
H11 C5 H12 108.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.270      
2 C 0.124      
3 C -0.180      
4 C -0.396      
5 C -0.396      
6 H 0.187      
7 H 0.149      
8 H 0.159      
9 H 0.157      
10 H 0.149      
11 H 0.159      
12 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.129 3.803 0.000 3.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.873 1.927 0.000
y 1.927 -39.912 0.000
z 0.000 0.000 -30.234
Traceless
 xyz
x 4.200 1.927 0.000
y 1.927 -9.358 0.000
z 0.000 0.000 5.158
Polar
3z2-r210.316
x2-y29.039
xy1.927
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.425 -0.678 0.000
y -0.678 7.913 0.000
z 0.000 0.000 5.861


<r2> (average value of r2) Å2
<r2> 131.192
(<r2>)1/2 11.454