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

using model chemistry: TPSSh/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-211.470640
Energy at 298.15K-211.477831
HF Energy-211.470640
Nuclear repulsion energy159.076670
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 TPSSh/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3115 3007 23.51      
2 A' 3108 3000 35.59      
3 A' 3036 2930 18.81      
4 A' 3025 2920 3.08      
5 A' 2317 2237 11.21      
6 A' 1521 1468 8.55      
7 A' 1510 1458 8.12      
8 A' 1427 1378 1.80      
9 A' 1345 1299 5.98      
10 A' 1193 1152 2.61      
11 A' 1125 1086 3.57      
12 A' 922 890 0.64      
13 A' 764 737 0.49      
14 A' 544 525 1.08      
15 A' 337 325 0.27      
16 A' 273 264 1.06      
17 A' 214 206 1.94      
18 A" 3113 3005 14.11      
19 A" 3104 2996 0.81      
20 A" 3034 2928 17.09      
21 A" 1500 1448 1.87      
22 A" 1498 1446 1.71      
23 A" 1406 1357 2.00      
24 A" 1319 1273 0.47      
25 A" 1122 1083 2.77      
26 A" 968 934 0.07      
27 A" 932 900 1.55      
28 A" 568 548 0.03      
29 A" 220 213 0.02      
30 A" 184 178 4.63      

Unscaled Zero Point Vibrational Energy (zpe) 22371.9 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 21593.4 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 TPSSh/aug-cc-pVTZ
ABC
0.26459 0.13223 0.09658

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.403 -2.176 0.000
C2 0.027 -1.084 0.000
C3 -0.437 0.308 0.000
C4 0.027 1.029 1.276
C5 0.027 1.029 -1.276
H6 -1.532 0.266 0.000
H7 -0.368 2.046 1.282
H8 -0.324 0.513 2.171
H9 1.117 1.080 1.313
H10 -0.368 2.046 -1.282
H11 -0.324 0.513 -2.171
H12 1.117 1.080 -1.313

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15512.62213.47023.47023.11534.47993.53183.58314.47993.53183.5831
C21.15511.46712.46842.46842.06193.40592.71782.75593.40592.71782.7559
C32.62211.46711.53791.53791.09502.16172.18342.17622.16172.18342.1762
C43.47022.46841.53792.55282.15431.09171.09031.09122.78203.50312.8098
C53.47022.46841.53792.55282.15432.78203.50312.80981.09171.09031.0912
H63.11532.06191.09502.15432.15432.48382.49643.06602.48382.49643.0660
H74.47993.40592.16171.09172.78202.48381.77241.77162.56493.77853.1423
H83.53182.71782.18341.09033.50312.49641.77241.76973.77854.34153.8122
H93.58312.75592.17621.09122.80983.06601.77161.76973.14233.81222.6261
H104.47993.40592.16172.78201.09172.48382.56493.77853.14231.77241.7716
H113.53182.71782.18343.50311.09032.49643.77854.34153.81221.77241.7697
H123.58312.75592.17622.80981.09123.06603.14233.81222.62611.77161.7697

picture of Propanenitrile, 2-methyl- state 1 conformation 1
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