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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-211.148318
Energy at 298.15K-211.155585
HF Energy-211.148318
Nuclear repulsion energy159.134700
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 HSEh1PBE/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' 3173 3028 16.99      
2 A' 3166 3021 30.08      
3 A' 3078 2937 15.68      
4 A' 3070 2930 3.43      
5 A' 2391 2281 9.84      
6 A' 1521 1451 10.09      
7 A' 1511 1441 8.72      
8 A' 1432 1366 3.37      
9 A' 1356 1294 6.34      
10 A' 1203 1148 3.16      
11 A' 1131 1079 5.65      
12 A' 948 905 1.31      
13 A' 786 750 0.57      
14 A' 559 533 1.44      
15 A' 354 337 0.19      
16 A' 289 276 0.91      
17 A' 222 212 2.14      
18 A" 3172 3027 11.36      
19 A" 3163 3018 0.29      
20 A" 3076 2935 14.78      
21 A" 1498 1430 3.86      
22 A" 1496 1428 0.31      
23 A" 1410 1346 4.87      
24 A" 1328 1267 0.36      
25 A" 1147 1094 2.02      
26 A" 981 937 0.40      
27 A" 942 899 2.70      
28 A" 578 552 0.01      
29 A" 230 220 0.01      
30 A" 188 179 4.53      

Unscaled Zero Point Vibrational Energy (zpe) 22696.5 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 21659.2 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 HSEh1PBE/6-31G**
ABC
0.26583 0.13223 0.09674

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.402 -2.178 0.000
C2 0.027 -1.081 0.000
C3 -0.437 0.310 0.000
C4 0.027 1.027 1.272
C5 0.027 1.027 -1.272
H6 -1.534 0.268 0.000
H7 -0.366 2.048 1.282
H8 -0.323 0.513 2.171
H9 1.118 1.079 1.309
H10 -0.366 2.048 -1.282
H11 -0.323 0.513 -2.171
H12 1.118 1.079 -1.309

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15942.62563.46903.46903.12024.48273.53273.58274.48273.53273.5827
C21.15941.46612.46252.46252.06363.40442.71582.75173.40442.71582.7517
C32.62561.46611.53241.53241.09812.16122.18302.17362.16122.18302.1736
C43.46902.46251.53242.54402.15201.09371.09251.09352.77833.49812.8027
C53.46902.46251.53242.54402.15202.77833.49812.80271.09371.09251.0935
H63.12022.06361.09812.15202.15202.48512.49793.06722.48512.49793.0672
H74.48273.40442.16121.09372.77832.48511.77391.77292.56403.77853.1392
H83.53272.71582.18301.09253.49812.49791.77391.77173.77854.34103.8082
H93.58272.75172.17361.09352.80273.06721.77291.77173.13923.80822.6176
H104.48273.40442.16122.77831.09372.48512.56403.77853.13921.77391.7729
H113.53272.71582.18303.49811.09252.49793.77854.34103.80821.77391.7717
H123.58272.75172.17362.80271.09353.06723.13923.80822.61761.77291.7717

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 179.544 C2 C3 C4 110.400
C2 C3 C5 110.400 C2 C3 H6 106.288
C3 C4 H7 109.634 C3 C4 H8 111.441
C3 C4 H9 110.626 C3 C5 H10 109.634
C3 C5 H11 111.441 C3 C5 H12 110.626
C4 C3 C5 112.213 C4 C3 H6 108.666
C5 C3 H6 108.666 H7 C4 H8 108.470
H7 C4 H9 108.301 H8 C4 H9 108.283
H10 C5 H11 108.470 H10 C5 H12 108.301
H11 C5 H12 108.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.478      
2 C 0.354      
3 C -0.200      
4 C -0.378      
5 C -0.378      
6 H 0.181      
7 H 0.142      
8 H 0.155      
9 H 0.152      
10 H 0.142      
11 H 0.155      
12 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.121 3.824 0.000 3.985
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.145 1.737 0.000
y 1.737 -38.684 0.000
z 0.000 0.000 -29.548
Traceless
 xyz
x 3.970 1.737 0.000
y 1.737 -8.838 0.000
z 0.000 0.000 4.867
Polar
3z2-r29.734
x2-y28.539
xy1.737
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.584 -0.649 0.000
y -0.649 8.136 0.000
z 0.000 0.000 6.146


<r2> (average value of r2) Å2
<r2> 128.438
(<r2>)1/2 11.333