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

using model chemistry: MP2=FULL/STO-3G

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=FULL/STO-3G
 hartrees
Energy at 0K-207.751669
Energy at 298.15K-207.758630
HF Energy-207.416649
Nuclear repulsion energy154.701299
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=FULL/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3562 3167 1.52      
2 A' 3560 3164 1.89      
3 A' 3428 3047 0.67      
4 A' 3378 3002 0.97      
5 A' 2112 1877 42.23      
6 A' 1729 1537 1.93      
7 A' 1726 1534 2.83      
8 A' 1618 1438 0.23      
9 A' 1496 1330 12.37      
10 A' 1321 1174 2.43      
11 A' 1239 1101 3.89      
12 A' 1019 906 0.46      
13 A' 811 721 0.27      
14 A' 551 489 0.80      
15 A' 365 324 0.09      
16 A' 275 245 0.63      
17 A' 212 188 1.07      
18 A" 3561 3166 0.27      
19 A" 3559 3164 0.28      
20 A" 3379 3003 1.55      
21 A" 1724 1532 0.83      
22 A" 1721 1529 0.01      
23 A" 1605 1426 0.33      
24 A" 1494 1328 3.50      
25 A" 1263 1123 1.66      
26 A" 1085 964 0.43      
27 A" 1045 929 1.04      
28 A" 558 496 0.01      
29 A" 225 200 0.02      
30 A" 184 164 2.50      

Unscaled Zero Point Vibrational Energy (zpe) 24900.8 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 22134.3 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=FULL/STO-3G
ABC
0.25604 0.12282 0.09085

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.153 -2.304 0.000
C2 -0.107 -1.106 0.000
C3 -0.416 0.382 0.000
C4 0.153 1.054 1.296
C5 0.153 1.054 -1.296
H6 -1.522 0.489 0.000
H7 -0.108 2.126 1.303
H8 -0.270 0.582 2.199
H9 1.252 0.960 1.331
H10 -0.108 2.126 -1.303
H11 -0.270 0.582 -2.199
H12 1.252 0.960 -1.331

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.22592.74553.59993.59993.25764.62563.65333.69294.62563.65333.6929
C21.22591.51972.53302.53302.13293.48542.77742.80913.48542.77742.8091
C32.74551.51971.56761.56761.11122.19942.21312.21152.19942.21312.2115
C43.59992.53301.56762.59242.19251.10351.10331.10322.82413.55242.8495
C53.59992.53301.56762.59242.19252.82413.55242.84951.10351.10331.1032
H63.25762.13291.11122.19252.19252.52532.53243.11302.52532.53243.1130
H74.62563.48542.19941.10352.82412.52531.79231.79182.60693.83123.1861
H83.65332.77742.21311.10333.55242.53241.79231.79233.83124.39833.8630
H93.69292.80912.21151.10322.84953.11301.79181.79233.18613.86302.6625
H104.62563.48542.19942.82411.10352.52532.60693.83123.18611.79231.7918
H113.65332.77742.21313.55241.10332.53243.83124.39833.86301.79231.7923
H123.69292.80912.21152.84951.10323.11303.18613.86302.66251.79181.7923

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 179.481 C2 C3 C4 110.255
C2 C3 C5 110.255 C2 C3 H6 107.314
C3 C4 H7 109.640 C3 C4 H8 110.713
C3 C4 H9 110.593 C3 C5 H10 109.640
C3 C5 H11 110.713 C3 C5 H12 110.593
C4 C3 C5 111.561 C4 C3 H6 108.666
C5 C3 H6 108.666 H7 C4 H8 108.618
H7 C4 H9 108.581 H8 C4 H9 108.641
H10 C5 H11 108.618 H10 C5 H12 108.581
H11 C5 H12 108.641
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability