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

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-211.105396
Energy at 298.15K-211.112509
HF Energy-211.105396
Nuclear repulsion energy157.775386
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 PBEPBE/cc-pVDZ
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' 3077 3059 14.74      
2 A' 3069 3052 26.37      
3 A' 2982 2965 16.02      
4 A' 2962 2945 5.25      
5 A' 2268 2255 7.16      
6 A' 1434 1426 8.09      
7 A' 1421 1412 8.80      
8 A' 1351 1343 1.62      
9 A' 1286 1279 6.82      
10 A' 1147 1141 3.10      
11 A' 1078 1072 4.00      
12 A' 914 908 1.39      
13 A' 763 759 0.40      
14 A' 535 531 1.02      
15 A' 342 340 0.09      
16 A' 278 276 0.51      
17 A' 213 211 1.40      
18 A" 3076 3058 10.25      
19 A" 3067 3049 0.20      
20 A" 2981 2963 15.47      
21 A" 1410 1402 2.64      
22 A" 1406 1398 1.11      
23 A" 1330 1322 2.58      
24 A" 1262 1255 1.22      
25 A" 1101 1095 3.10      
26 A" 941 935 0.33      
27 A" 900 895 2.17      
28 A" 553 549 0.24      
29 A" 222 221 0.02      
30 A" 180 179 3.23      

Unscaled Zero Point Vibrational Energy (zpe) 21774.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 21647.9 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 PBEPBE/cc-pVDZ
ABC
0.26187 0.13017 0.09527

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.407 -2.197 0.000
C2 0.026 -1.086 0.000
C3 -0.437 0.312 0.000
C4 0.026 1.034 1.281
C5 0.026 1.034 -1.281
H6 -1.550 0.269 0.000
H7 -0.374 2.068 1.292
H8 -0.328 0.512 2.190
H9 1.132 1.090 1.321
H10 -0.374 2.068 -1.292
H11 -0.328 0.512 -2.190
H12 1.132 1.090 -1.321

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17472.64723.49673.49673.14824.52423.56043.61554.52423.56043.6155
C21.17471.47252.47702.47702.07803.43162.73422.77533.43162.73422.7753
C32.64721.47251.54151.54151.11332.18102.20222.19392.18102.20222.1939
C43.49672.47701.54152.56112.16981.10821.10701.10842.80123.52772.8277
C53.49672.47701.54152.56112.16982.80123.52772.82771.10821.10701.1084
H63.14822.07801.11332.16982.16982.50742.52013.10012.50742.52013.1001
H74.52423.43162.18101.10822.80122.50741.79701.79632.58443.81453.1710
H83.56042.73422.20221.10703.52772.52011.79701.79423.81454.38073.8464
H93.61552.77532.19391.10842.82773.10011.79631.79423.17103.84642.6424
H104.52423.43162.18102.80121.10822.50742.58443.81453.17101.79701.7963
H113.56042.73422.20223.52771.10702.52013.81454.38073.84641.79701.7942
H123.61552.77532.19392.82771.10843.10013.17103.84642.64241.79631.7942

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 179.368 C2 C3 C4 110.515
C2 C3 C5 110.515 C2 C3 H6 106.120
C3 C4 H7 109.716 C3 C4 H8 111.453
C3 C4 H9 110.711 C3 C5 H10 109.716
C3 C5 H11 111.453 C3 C5 H12 110.711
C4 C3 C5 112.343 C4 C3 H6 108.557
C5 C3 H6 108.557 H7 C4 H8 108.432
H7 C4 H9 108.269 H8 C4 H9 108.170
H10 C5 H11 108.432 H10 C5 H12 108.269
H11 C5 H12 108.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.121      
2 C -0.033      
3 C -0.160      
4 C -0.010      
5 C -0.010      
6 H 0.059      
7 H 0.038      
8 H 0.050      
9 H 0.050      
10 H 0.038      
11 H 0.050      
12 H 0.050      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.071 3.614 0.000 3.769
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.488 1.556 0.000
y 1.556 -38.428 0.000
z 0.000 0.000 -29.942
Traceless
 xyz
x 3.697 1.556 0.000
y 1.556 -8.213 0.000
z 0.000 0.000 4.516
Polar
3z2-r29.032
x2-y27.940
xy1.556
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.974 -0.612 0.000
y -0.612 8.637 0.000
z 0.000 0.000 6.787


<r2> (average value of r2) Å2
<r2> 130.272
(<r2>)1/2 11.414