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

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-210.814253
Energy at 298.15K-210.821542
HF Energy-210.061538
Nuclear repulsion energy159.245754
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 MP2/TZVP
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' 3189 3023 17.81      
2 A' 3184 3018 33.41      
3 A' 3107 2945 4.41      
4 A' 3089 2928 13.44      
5 A' 2206 2091 0.08      
6 A' 1532 1452 12.85      
7 A' 1527 1447 5.38      
8 A' 1450 1374 3.59      
9 A' 1369 1297 5.54      
10 A' 1219 1155 1.49      
11 A' 1141 1082 3.46      
12 A' 956 906 0.40      
13 A' 788 747 0.44      
14 A' 545 517 0.64      
15 A' 358 339 0.18      
16 A' 297 281 0.46      
17 A' 218 206 2.19      
18 A" 3188 3022 12.56      
19 A" 3180 3014 0.08      
20 A" 3088 2927 14.94      
21 A" 1513 1434 3.20      
22 A" 1508 1430 0.56      
23 A" 1427 1352 3.64      
24 A" 1349 1279 0.27      
25 A" 1158 1098 2.83      
26 A" 995 943 0.17      
27 A" 959 909 1.15      
28 A" 563 534 0.30      
29 A" 231 219 0.01      
30 A" 179 170 4.00      

Unscaled Zero Point Vibrational Energy (zpe) 22755.8 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 21570.2 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 MP2/TZVP
ABC
0.26705 0.13230 0.09713

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.151 -2.212 0.000
C2 -0.112 -1.070 0.000
C3 -0.407 0.363 0.000
C4 0.151 1.015 1.267
C5 0.151 1.015 -1.267
H6 -1.496 0.462 0.000
H7 -0.099 2.076 1.273
H8 -0.263 0.555 2.164
H9 1.236 0.913 1.298
H10 -0.099 2.076 -1.273
H11 -0.263 0.555 -2.164
H12 1.236 0.913 -1.298

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17102.63453.46633.46633.13984.47973.53613.55324.47973.53613.5532
C21.17101.46362.45402.45402.06493.39422.71002.72643.39422.71002.7264
C32.63451.46361.53021.53021.09292.15642.17682.16502.15642.17682.1650
C43.46632.45401.53022.53432.14981.09021.08921.09032.76423.48602.7872
C53.46632.45401.53022.53432.14982.76423.48602.78721.09021.08921.0903
H63.13982.06491.09292.14982.14982.48552.49183.05772.48552.49183.0577
H74.47973.39422.15641.09022.76422.48551.77061.77042.54603.76193.1216
H83.53612.71002.17681.08923.48602.49181.77061.76733.76194.32703.7891
H93.55322.72642.16501.09032.78723.05771.77041.76733.12163.78912.5963
H104.47973.39422.15642.76421.09022.48552.54603.76193.12161.77061.7704
H113.53612.71002.17683.48601.08922.49183.76194.32703.78911.77061.7673
H123.55322.72642.16502.78721.09033.05773.12163.78912.59631.77041.7673

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 178.722 C2 C3 C4 110.083
C2 C3 C5 110.083 C2 C3 H6 106.846
C3 C4 H7 109.609 C3 C4 H8 111.291
C3 C4 H9 110.282 C3 C5 H10 109.609
C3 C5 H11 111.291 C3 C5 H12 110.282
C4 C3 C5 111.802 C4 C3 H6 108.944
C5 C3 H6 108.944 H7 C4 H8 108.664
H7 C4 H9 108.569 H8 C4 H9 108.363
H10 C5 H11 108.664 H10 C5 H12 108.569
H11 C5 H12 108.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability