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

using model chemistry: CCSD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/cc-pVDZ
 hartrees
Energy at 0K-210.771081
Energy at 298.15K-210.778357
HF Energy-210.010438
Nuclear repulsion energy157.778345
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 CCSD/cc-pVDZ
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' 3163 2996 20.67      
2 A' 3157 2991 37.43      
3 A' 3082 2919 5.78      
4 A' 3069 2907 15.58      
5 A' 2334 2211 0.43      
6 A' 1509 1429 7.71      
7 A' 1499 1420 6.59      
8 A' 1430 1354 2.07      
9 A' 1364 1292 8.02      
10 A' 1205 1142 2.16      
11 A' 1133 1073 3.53      
12 A' 951 901 0.20      
13 A' 780 739 1.10      
14 A' 542 514 0.73      
15 A' 354 335 0.17      
16 A' 292 277 0.64      
17 A' 222 210 1.96      
18 A" 3161 2994 13.26      
19 A" 3153 2987 0.03      
20 A" 3067 2905 17.71      
21 A" 1489 1411 2.49      
22 A" 1486 1408 0.36      
23 A" 1411 1336 1.74      
24 A" 1344 1273 0.86      
25 A" 1159 1097 2.07      
26 A" 986 934 0.39      
27 A" 939 890 1.15      
28 A" 560 530 0.12      
29 A" 233 221 0.01      
30 A" 187 177 4.00      

Unscaled Zero Point Vibrational Energy (zpe) 22628.9 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 21436.4 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 CCSD/cc-pVDZ
ABC
0.26285 0.12956 0.09514

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.410 -2.200 0.000
C2 0.027 -1.093 0.000
C3 -0.445 0.317 0.000
C4 0.027 1.037 1.278
C5 0.027 1.037 -1.278
H6 -1.551 0.276 0.000
H7 -0.364 2.070 1.288
H8 -0.330 0.517 2.184
H9 1.130 1.080 1.312
H10 -0.364 2.070 -1.288
H11 -0.330 0.517 -2.184
H12 1.130 1.080 -1.312

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17082.65823.50063.50063.15834.52603.56333.60514.52603.56333.6051
C21.17081.48742.48412.48412.08893.43752.73672.76843.43752.73672.7684
C32.65821.48741.54031.54031.10652.17612.19582.18722.17612.19582.1872
C43.50062.48411.54032.55542.16761.10441.10341.10472.79303.51822.8154
C53.50062.48411.54032.55542.16762.79303.51822.81541.10441.10341.1047
H63.15832.08891.10652.16762.16762.50642.51343.09082.50642.51343.0908
H74.52603.43752.17611.10442.79302.50641.79271.79222.57543.80283.1576
H83.56332.73672.19581.10343.51822.51341.79271.79073.80284.36723.8298
H93.60512.76842.18721.10472.81543.09081.79221.79073.15763.82982.6243
H104.52603.43752.17612.79301.10442.50642.57543.80283.15761.79271.7922
H113.56332.73672.19583.51821.10342.51343.80284.36723.82981.79271.7907
H123.60512.76842.18722.81541.10473.09083.15763.82982.62431.79221.7907

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 179.345 C2 C3 C4 110.244
C2 C3 C5 110.244 C2 C3 H6 106.350
C3 C4 H7 109.635 C3 C4 H8 111.238
C3 C4 H9 110.483 C3 C5 H10 109.635
C3 C5 H11 111.238 C3 C5 H12 110.483
C4 C3 C5 112.097 C4 C3 H6 108.859
C5 C3 H6 108.859 H7 C4 H8 108.580
H7 C4 H9 108.450 H8 C4 H9 108.384
H10 C5 H11 108.580 H10 C5 H12 108.450
H11 C5 H12 108.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability