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

using model chemistry: CCSD/TZVP

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/TZVP
 hartrees
Energy at 0K-210.853949
Energy at 298.15K-210.861257
HF Energy-210.064106
Nuclear repulsion energy159.158807
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/TZVP
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' 3159 3015 24.28      
2 A' 3153 3010 44.70      
3 A' 3090 2949 4.43      
4 A' 3073 2933 15.12      
5 A' 2355 2248 1.21      
6 A' 1535 1465 10.21      
7 A' 1530 1460 4.90      
8 A' 1463 1396 2.81      
9 A' 1381 1318 6.88      
10 A' 1224 1168 1.53      
11 A' 1148 1096 3.52      
12 A' 952 909 0.08      
13 A' 783 747 1.09      
14 A' 550 525 0.63      
15 A' 359 343 0.25      
16 A' 294 281 0.76      
17 A' 222 212 2.30      
18 A" 3157 3013 16.33      
19 A" 3148 3004 0.13      
20 A" 3070 2930 16.77      
21 A" 1517 1448 2.80      
22 A" 1513 1444 0.35      
23 A" 1440 1375 2.42      
24 A" 1364 1301 0.34      
25 A" 1161 1108 2.62      
26 A" 996 951 0.16      
27 A" 961 918 0.80      
28 A" 570 544 0.17      
29 A" 226 215 0.02      
30 A" 187 178 4.45      

Unscaled Zero Point Vibrational Energy (zpe) 22790.8 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 21751.6 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 CCSD/TZVP
ABC
0.26585 0.13216 0.09684

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.414 -2.174 0.000
C2 0.025 -1.085 0.000
C3 -0.446 0.311 0.000
C4 0.025 1.027 1.271
C5 0.025 1.027 -1.271
H6 -1.539 0.270 0.000
H7 -0.356 2.050 1.277
H8 -0.330 0.518 2.167
H9 1.116 1.063 1.306
H10 -0.356 2.050 -1.277
H11 -0.330 0.518 -2.167
H12 1.116 1.063 -1.306

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15662.63003.46673.46673.12904.48023.53503.56094.48023.53503.5609
C21.15661.47352.46542.46542.06983.40702.71862.74033.40702.71862.7403
C32.63001.47351.53341.53341.09352.15992.18002.17052.15992.18002.1705
C43.46672.46541.53342.54222.15301.09161.09061.09182.77243.49402.7983
C53.46672.46541.53342.54222.15302.77243.49402.79831.09161.09061.0918
H63.12902.06981.09352.15302.15302.48992.49363.06302.48992.49363.0630
H74.48023.40702.15991.09162.77242.48991.77261.77232.55463.77023.1324
H83.53502.71862.18001.09063.49402.49361.77261.76973.77024.33433.8013
H93.56092.74032.17051.09182.79833.06301.77231.76973.13243.80132.6113
H104.48023.40702.15992.77241.09162.48992.55463.77023.13241.77261.7723
H113.53502.71862.18003.49401.09062.49363.77024.33433.80131.77261.7697
H123.56092.74032.17052.79831.09183.06303.13243.80132.61131.77231.7697

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 179.029 C2 C3 C4 110.135
C2 C3 C5 110.135 C2 C3 H6 106.531
C3 C4 H7 109.583 C3 C4 H8 111.245
C3 C4 H9 110.411 C3 C5 H10 109.583
C3 C5 H11 111.245 C3 C5 H12 110.411
C4 C3 C5 111.984 C4 C3 H6 108.945
C5 C3 H6 108.945 H7 C4 H8 108.642
H7 C4 H9 108.529 H8 C4 H9 108.367
H10 C5 H11 108.642 H10 C5 H12 108.529
H11 C5 H12 108.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability