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

using model chemistry: MP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-210.737811
Energy at 298.15K-210.745095
HF Energy-210.007636
Nuclear repulsion energy158.669355
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 MP2/6-31+G**
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' 3229 3037 17.95      
2 A' 3222 3031 32.90      
3 A' 3130 2944 6.46      
4 A' 3122 2937 14.30      
5 A' 2192 2061 0.00      
6 A' 1554 1462 12.47      
7 A' 1545 1454 7.67      
8 A' 1466 1379 4.11      
9 A' 1380 1298 6.33      
10 A' 1228 1155 1.56      
11 A' 1151 1083 3.24      
12 A' 963 906 0.44      
13 A' 788 741 0.56      
14 A' 544 512 0.84      
15 A' 360 339 0.16      
16 A' 294 277 0.49      
17 A' 217 204 2.07      
18 A" 3228 3036 11.98      
19 A" 3219 3028 0.07      
20 A" 3122 2936 17.72      
21 A" 1533 1442 3.74      
22 A" 1532 1441 0.46      
23 A" 1444 1359 4.35      
24 A" 1361 1280 0.39      
25 A" 1170 1101 2.30      
26 A" 1004 944 0.15      
27 A" 962 905 1.28      
28 A" 557 524 0.43      
29 A" 238 224 0.03      
30 A" 180 169 4.11      

Unscaled Zero Point Vibrational Energy (zpe) 22967.9 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 21603.6 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 MP2/6-31+G**
ABC
0.26666 0.13067 0.09608

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.414 -2.196 0.000
C2 0.025 -1.079 0.000
C3 -0.444 0.315 0.000
C4 0.025 1.032 1.270
C5 0.025 1.032 -1.270
H6 -1.537 0.276 0.000
H7 -0.359 2.052 1.274
H8 -0.329 0.523 2.164
H9 1.114 1.072 1.303
H10 -0.359 2.052 -1.274
H11 -0.329 0.523 -2.164
H12 1.114 1.072 -1.303

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.18262.65303.49063.49063.14944.50213.55363.58674.50213.55363.5867
C21.18261.47042.46382.46382.06793.40262.71592.74043.40262.71592.7404
C32.65301.47041.53201.53201.09372.15652.17742.16702.15652.17742.1670
C43.49062.46381.53202.53942.15001.09001.08881.09002.76743.48972.7935
C53.49062.46381.53202.53942.15002.76743.48972.79351.09001.08881.0900
H63.14942.06791.09372.15002.15002.48292.49063.05852.48292.49063.0585
H74.50213.40262.15651.09002.76742.48291.77021.76942.54803.76343.1255
H83.55362.71592.17741.08883.48972.49061.77021.76823.76344.32873.7952
H93.58672.74042.16701.09002.79353.05851.76941.76823.12553.79522.6052
H104.50213.40262.15652.76741.09002.48292.54803.76343.12551.77021.7694
H113.55362.71592.17743.48971.08882.49063.76344.32873.79521.77021.7682
H123.58672.74042.16702.79351.09003.05853.12553.79522.60521.76941.7682

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 179.351 C2 C3 C4 110.280
C2 C3 C5 110.280 C2 C3 H6 106.577
C3 C4 H7 109.510 C3 C4 H8 111.238
C3 C4 H9 110.342 C3 C5 H10 109.510
C3 C5 H11 111.238 C3 C5 H12 110.342
C4 C3 C5 111.956 C4 C3 H6 108.789
C5 C3 H6 108.789 H7 C4 H8 108.672
H7 C4 H9 108.517 H8 C4 H9 108.500
H10 C5 H11 108.672 H10 C5 H12 108.517
H11 C5 H12 108.500
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability