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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/6-31+G**
 hartrees
Energy at 0K-210.832178
Energy at 298.15K-210.839440
HF Energy-210.009319
Nuclear repulsion energy158.455808
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 QCISD(T)=FULL/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' 3187 3187        
2 A' 3180 3180        
3 A' 3096 3096        
4 A' 3091 3091        
5 A' 2280 2280        
6 A' 1547 1547        
7 A' 1539 1539        
8 A' 1465 1465        
9 A' 1376 1376        
10 A' 1221 1221        
11 A' 1146 1146        
12 A' 950 950        
13 A' 776 776        
14 A' 541 541        
15 A' 357 357        
16 A' 290 290        
17 A' 218 218        
18 A" 3185 3185        
19 A" 3176 3176        
20 A" 3089 3089        
21 A" 1528 1528        
22 A" 1527 1527        
23 A" 1444 1444        
24 A" 1360 1360        
25 A" 1161 1161        
26 A" 996 996        
27 A" 956 956        
28 A" 556 556        
29 A" 233 233        
30 A" 184 184        

Unscaled Zero Point Vibrational Energy (zpe) 22826.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22826.2 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 QCISD(T)=FULL/6-31+G**
ABC
0.26529 0.13031 0.09572

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.409 -2.197 0.000
C2 0.026 -1.087 0.000
C3 -0.443 0.316 0.000
C4 0.026 1.035 1.274
C5 0.026 1.035 -1.274
H6 -1.537 0.276 0.000
H7 -0.358 2.056 1.278
H8 -0.330 0.524 2.168
H9 1.116 1.074 1.308
H10 -0.358 2.056 -1.278
H11 -0.330 0.524 -2.168
H12 1.116 1.074 -1.308

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17422.65363.49413.49413.14674.50613.55663.59264.50613.55663.5926
C21.17421.47942.47412.47412.07383.41412.72442.75083.41412.72442.7508
C32.65361.47941.53571.53571.09462.16012.18122.17212.16012.18122.1721
C43.49412.47411.53572.54732.15461.09141.09021.09142.77493.49792.8028
C53.49412.47411.53572.54732.15462.77493.49792.80281.09141.09021.0914
H63.14672.07381.09462.15462.15462.48852.49403.06432.48852.49403.0643
H74.50613.41412.16011.09142.77492.48851.77251.77182.55533.77143.1345
H83.55662.72442.18121.09023.49792.49401.77251.77073.77144.33673.8055
H93.59262.75082.17211.09142.80283.06431.77181.77073.13453.80552.6164
H104.50613.41412.16012.77491.09142.48852.55533.77143.13451.77251.7718
H113.55662.72442.18123.49791.09022.49403.77144.33673.80551.77251.7707
H123.59262.75082.17212.80281.09143.06433.13453.80552.61641.77181.7707

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 179.466 C2 C3 C4 110.266
C2 C3 C5 110.266 C2 C3 H6 106.384
C3 C4 H7 109.457 C3 C4 H8 111.196
C3 C4 H9 110.398 C3 C5 H10 109.457
C3 C5 H11 111.196 C3 C5 H12 110.398
C4 C3 C5 112.062 C4 C3 H6 108.839
C5 C3 H6 108.839 H7 C4 H8 108.681
H7 C4 H9 108.529 H8 C4 H9 108.519
H10 C5 H11 108.681 H10 C5 H12 108.529
H11 C5 H12 108.519
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability