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

using model chemistry: CISD/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 CISD/6-31G
 hartrees
Energy at 0K-210.339934
Energy at 298.15K-210.347296
HF Energy-209.901164
Nuclear repulsion energy157.900895
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 CISD/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' 3197 2998 29.55      
2 A' 3193 2994 47.39      
3 A' 3114 2920 14.79      
4 A' 3104 2911 7.82      
5 A' 2379 2231 4.64      
6 A' 1601 1501 12.44      
7 A' 1595 1496 8.40      
8 A' 1526 1431 4.11      
9 A' 1435 1345 5.28      
10 A' 1269 1190 3.60      
11 A' 1203 1128 8.25      
12 A' 966 906 0.19      
13 A' 788 739 1.76      
14 A' 566 530 1.54      
15 A' 372 349 0.25      
16 A' 291 273 0.81      
17 A' 219 205 1.96      
18 A" 3194 2996 17.82      
19 A" 3187 2989 0.39      
20 A" 3109 2915 20.11      
21 A" 1585 1486 2.43      
22 A" 1583 1485 2.19      
23 A" 1507 1413 5.68      
24 A" 1412 1324 0.20      
25 A" 1188 1114 3.01      
26 A" 1027 963 0.00      
27 A" 1000 937 2.24      
28 A" 577 541 0.46      
29 A" 235 220 0.03      
30 A" 188 176 4.27      

Unscaled Zero Point Vibrational Energy (zpe) 23302.1 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 21852.7 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 CISD/6-31G
ABC
0.26243 0.12944 0.09487

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.406 -2.201 0.000
C2 0.027 -1.096 0.000
C3 -0.440 0.310 0.000
C4 0.027 1.041 1.282
C5 0.027 1.041 -1.282
H6 -1.537 0.280 0.000
H7 -0.366 2.061 1.286
H8 -0.328 0.528 2.180
H9 1.119 1.089 1.319
H10 -0.366 2.061 -1.286
H11 -0.328 0.528 -2.180
H12 1.119 1.089 -1.319

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16892.65063.50683.50683.15194.51903.56923.61614.51903.56923.6161
C21.16891.48182.49142.49142.08323.43152.74102.77613.43152.74102.7761
C32.65061.48181.54741.54741.09722.17352.19332.18592.17352.19332.1859
C43.50682.49141.54742.56362.16041.09401.09311.09392.79083.51712.8214
C53.50682.49141.54742.56362.16042.79083.51712.82141.09401.09311.0939
H63.15192.08321.09722.16042.16042.48912.50483.07402.48912.50483.0740
H74.51903.43152.17351.09402.79082.48911.77551.77582.57123.78953.1522
H83.56922.74102.19331.09313.51712.50481.77551.77473.78954.35923.8275
H93.61612.77612.18591.09392.82143.07401.77581.77473.15223.82752.6382
H104.51903.43152.17352.79081.09402.48912.57123.78953.15221.77551.7758
H113.56922.74102.19333.51711.09312.50483.78954.35923.82751.77551.7747
H123.61612.77612.18592.82141.09393.07403.15223.82752.63821.77581.7747

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 179.448 C2 C3 C4 110.648
C2 C3 C5 110.648 C2 C3 H6 106.802
C3 C4 H7 109.549 C3 C4 H8 111.166
C3 C4 H9 110.523 C3 C5 H10 109.549
C3 C5 H11 111.166 C3 C5 H12 110.523
C4 C3 C5 111.863 C4 C3 H6 108.346
C5 C3 H6 108.346 H7 C4 H8 108.546
H7 C4 H9 108.510 H8 C4 H9 108.481
H10 C5 H11 108.546 H10 C5 H12 108.510
H11 C5 H12 108.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability