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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-210.386913
Energy at 298.15K-210.394124
HF Energy-209.894526
Nuclear repulsion energy156.617042
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 MP2/6-31G
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' 3160 3024 27.31      
2 A' 3156 3020 43.04      
3 A' 3065 2933 15.72      
4 A' 3052 2920 7.90      
5 A' 2092 2002 1.97      
6 A' 1579 1511 11.48      
7 A' 1573 1505 7.97      
8 A' 1494 1430 3.56      
9 A' 1399 1339 4.27      
10 A' 1244 1190 2.72      
11 A' 1173 1123 5.61      
12 A' 942 901 0.35      
13 A' 763 730 0.49      
14 A' 536 512 1.20      
15 A' 364 348 0.22      
16 A' 284 272 0.30      
17 A' 200 191 1.75      
18 A" 3158 3022 15.98      
19 A" 3152 3016 0.82      
20 A" 3064 2932 18.19      
21 A" 1564 1496 1.89      
22 A" 1562 1494 2.38      
23 A" 1475 1411 4.82      
24 A" 1385 1325 0.52      
25 A" 1161 1111 3.55      
26 A" 1008 964 0.06      
27 A" 978 936 1.93      
28 A" 539 516 0.82      
29 A" 238 227 0.02      
30 A" 169 162 3.30      

Unscaled Zero Point Vibrational Energy (zpe) 22764.9 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 21781.4 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 MP2/6-31G
ABC
0.26083 0.12665 0.09326

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.418 -2.233 0.000
C2 0.025 -1.097 0.000
C3 -0.443 0.315 0.000
C4 0.025 1.051 1.285
C5 0.025 1.051 -1.285
H6 -1.546 0.290 0.000
H7 -0.370 2.076 1.285
H8 -0.333 0.537 2.187
H9 1.122 1.097 1.322
H10 -0.370 2.076 -1.285
H11 -0.333 0.537 -2.187
H12 1.122 1.097 -1.322

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.20182.68863.54783.54783.19634.56473.60843.65074.56473.60843.6507
C21.20181.48692.50292.50292.09483.44592.75372.78603.44592.75372.7860
C32.68861.48691.55341.55341.10292.18162.20132.19232.18162.20132.1923
C43.54782.50291.55342.57092.16731.09871.09771.09852.79533.52872.8287
C53.54782.50291.55342.57092.16732.79533.52872.82871.09871.09771.0985
H63.19632.09481.10292.16732.16732.49502.51293.08412.49502.51293.0841
H74.56473.44592.18161.09872.79532.49501.78431.78452.56973.79803.1585
H83.60842.75372.20131.09773.52872.51291.78431.78323.79804.37453.8395
H93.65072.78602.19231.09852.82873.08411.78451.78323.15853.83952.6430
H104.56473.44592.18162.79531.09872.49502.56973.79803.15851.78431.7845
H113.60842.75372.20133.52871.09772.51293.79804.37453.83951.78431.7832
H123.65072.78602.19232.82871.09853.08413.15853.83952.64301.78451.7832

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 179.251 C2 C3 C4 110.803
C2 C3 C5 110.803 C2 C3 H6 107.040
C3 C4 H7 109.499 C3 C4 H8 111.100
C3 C4 H9 110.345 C3 C5 H10 109.499
C3 C5 H11 111.100 C3 C5 H12 110.345
C4 C3 C5 111.692 C4 C3 H6 108.159
C5 C3 H6 108.159 H7 C4 H8 108.655
H7 C4 H9 108.617 H8 C4 H9 108.568
H10 C5 H11 108.655 H10 C5 H12 108.617
H11 C5 H12 108.568
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability