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

using model chemistry: MP2/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 MP2/cc-pVTZ
 hartrees
Energy at 0K-210.934812
Energy at 298.15K-210.942069
HF Energy-210.066966
Nuclear repulsion energy159.341082
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/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' 3181 3020 13.54      
2 A' 3175 3015 25.27      
3 A' 3098 2941 3.43      
4 A' 3080 2925 11.64      
5 A' 2193 2082 0.01      
6 A' 1526 1449 10.31      
7 A' 1517 1441 8.02      
8 A' 1425 1353 3.73      
9 A' 1358 1290 4.92      
10 A' 1205 1144 2.08      
11 A' 1134 1077 3.71      
12 A' 951 903 0.76      
13 A' 784 745 0.35      
14 A' 541 514 0.69      
15 A' 351 333 0.18      
16 A' 289 274 0.49      
17 A' 217 206 2.26      
18 A" 3180 3019 9.56      
19 A" 3172 3011 0.09      
20 A" 3081 2925 12.82      
21 A" 1505 1429 3.37      
22 A" 1503 1427 0.42      
23 A" 1405 1334 4.19      
24 A" 1331 1264 0.30      
25 A" 1151 1092 2.33      
26 A" 986 937 0.28      
27 A" 942 895 1.66      
28 A" 560 531 0.05      
29 A" 229 217 0.01      
30 A" 181 172 4.14      

Unscaled Zero Point Vibrational Energy (zpe) 22624.4 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 21481.9 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/cc-pVTZ
ABC
0.26782 0.13228 0.09722

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.150 -2.212 0.000
C2 -0.110 -1.070 0.000
C3 -0.409 0.363 0.000
C4 0.150 1.015 1.265
C5 0.150 1.015 -1.265
H6 -1.496 0.460 0.000
H7 -0.103 2.073 1.273
H8 -0.255 0.552 2.162
H9 1.235 0.919 1.289
H10 -0.103 2.073 -1.273
H11 -0.255 0.552 -2.162
H12 1.235 0.919 -1.289

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17122.63513.46613.46613.13864.47783.53223.55564.47783.53223.5556
C21.17121.46402.45282.45282.06443.39182.70652.72563.39182.70652.7256
C32.63511.46401.52931.52931.09132.15432.17552.16192.15432.17552.1619
C43.46612.45281.52932.53032.14941.08861.08751.08872.76203.48172.7766
C53.46612.45281.52932.53032.14942.76203.48172.77661.08861.08751.0887
H63.13862.06441.09132.14942.14942.48302.49453.05462.48302.49453.0546
H74.47783.39182.15431.08862.76202.48301.76851.76712.54673.76013.1127
H83.53222.70652.17551.08753.48172.49451.76851.76503.76014.32363.7767
H93.55562.72562.16191.08872.77663.05461.76711.76503.11273.77672.5785
H104.47783.39182.15432.76201.08862.48302.54673.76013.11271.76851.7671
H113.53222.70652.17553.48171.08752.49453.76014.32363.77671.76851.7650
H123.55562.72562.16192.77661.08873.05463.11273.77672.57851.76711.7650

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 178.913 C2 C3 C4 110.037
C2 C3 C5 110.037 C2 C3 H6 106.876
C3 C4 H7 109.605 C3 C4 H8 111.358
C3 C4 H9 110.197 C3 C5 H10 109.605
C3 C5 H11 111.358 C3 C5 H12 110.197
C4 C3 C5 111.638 C4 C3 H6 109.062
C5 C3 H6 109.062 H7 C4 H8 108.721
H7 C4 H9 108.504 H8 C4 H9 108.392
H10 C5 H11 108.721 H10 C5 H12 108.504
H11 C5 H12 108.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability