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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-211.105393
Energy at 298.15K-211.112509
HF Energy-211.105393
Nuclear repulsion energy157.779130
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 PBEPBEultrafine/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 14.62      
2 A' 3069 3052 26.61      
3 A' 2982 2965 15.99      
4 A' 2963 2946 5.22      
5 A' 2268 2255 7.16      
6 A' 1434 1426 8.31      
7 A' 1421 1413 8.50      
8 A' 1352 1344 1.70      
9 A' 1286 1279 6.79      
10 A' 1147 1141 3.12      
11 A' 1078 1072 4.03      
12 A' 914 909 1.39      
13 A' 763 759 0.40      
14 A' 534 531 1.01      
15 A' 342 340 0.09      
16 A' 279 277 0.50      
17 A' 213 212 1.42      
18 A" 3076 3058 10.39      
19 A" 3067 3049 0.06      
20 A" 2981 2963 15.48      
21 A" 1410 1402 2.32      
22 A" 1407 1398 1.41      
23 A" 1331 1323 2.61      
24 A" 1263 1256 1.21      
25 A" 1101 1095 3.10      
26 A" 941 936 0.32      
27 A" 900 895 2.17      
28 A" 552 549 0.24      
29 A" 222 221 0.01      
30 A" 180 179 3.23      

Unscaled Zero Point Vibrational Energy (zpe) 21776.9 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 21650.6 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 PBEPBEultrafine/cc-pVDZ
ABC
0.26183 0.13020 0.09529

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.408 -2.196 0.000
C2 0.026 -1.086 0.000
C3 -0.438 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 -0.373 2.068 1.292
H8 -0.329 0.512 2.190
H9 1.132 1.088 1.322
H10 -0.373 2.068 -1.292
H11 -0.329 0.512 -2.190
H12 1.132 1.088 -1.322

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17472.64723.49623.49623.14884.52393.56073.61354.52393.56073.6135
C21.17471.47252.47682.47682.07823.43152.73452.77433.43152.73452.7743
C32.64721.47251.54151.54151.11332.18112.20222.19392.18112.20222.1939
C43.49622.47681.54152.56112.16981.10821.10701.10842.80103.52772.8283
C53.49622.47681.54152.56112.16982.80103.52772.82831.10821.10701.1084
H63.14882.07821.11332.16982.16982.50812.51963.10022.50812.51963.1002
H74.52393.43152.18111.10822.80102.50811.79701.79632.58383.81423.1714
H83.56072.73452.20221.10703.52772.51961.79701.79423.81424.38063.8471
H93.61352.77432.19391.10842.82833.10021.79631.79423.17143.84712.6437
H104.52393.43152.18112.80101.10822.50812.58383.81423.17141.79701.7963
H113.56072.73452.20223.52771.10702.51963.81424.38063.84711.79701.7942
H123.61352.77432.19392.82831.10843.10023.17143.84712.64371.79631.7942

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 179.316 C2 C3 C4 110.500
C2 C3 C5 110.500 C2 C3 H6 106.134
C3 C4 H7 109.726 C3 C4 H8 111.448
C3 C4 H9 110.711 C3 C5 H10 109.726
C3 C5 H11 111.448 C3 C5 H12 110.711
C4 C3 C5 112.350 C4 C3 H6 108.562
C5 C3 H6 108.562 H7 C4 H8 108.428
H7 C4 H9 108.271 H8 C4 H9 108.167
H10 C5 H11 108.428 H10 C5 H12 108.271
H11 C5 H12 108.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/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
  -1.072 3.613 0.000 3.769
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.490 1.559 0.000
y 1.559 -38.425 0.000
z 0.000 0.000 -29.942
Traceless
 xyz
x 3.694 1.559 0.000
y 1.559 -8.209 0.000
z 0.000 0.000 4.515
Polar
3z2-r29.031
x2-y27.935
xy1.559
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.976 -0.613 0.000
y -0.613 8.635 0.000
z 0.000 0.000 6.787


<r2> (average value of r2) Å2
<r2> 130.258
(<r2>)1/2 11.413