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

using model chemistry: MP3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-210.961868
Energy at 298.15K-210.969174
HF Energy-210.070629
Nuclear repulsion energy159.569284
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 MP3/cc-pVTZ
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' 3176 3000 17.23      
2 A' 3170 2995 31.76      
3 A' 3109 2937 2.87      
4 A' 3088 2917 12.23      
5 A' 2429 2294 4.97      
6 A' 1534 1449 9.07      
7 A' 1525 1440 7.99      
8 A' 1444 1364 3.61      
9 A' 1380 1303 6.34      
10 A' 1216 1149 2.54      
11 A' 1147 1084 4.32      
12 A' 954 901 0.28      
13 A' 786 743 0.86      
14 A' 555 524 0.79      
15 A' 354 334 0.25      
16 A' 288 272 0.93      
17 A' 223 211 2.35      
18 A" 3175 2999 11.51      
19 A" 3166 2990 0.27      
20 A" 3087 2916 13.12      
21 A" 1514 1430 3.17      
22 A" 1511 1427 0.35      
23 A" 1424 1345 3.88      
24 A" 1351 1276 0.30      
25 A" 1159 1095 2.32      
26 A" 992 937 0.26      
27 A" 950 897 1.46      
28 A" 578 546 0.00      
29 A" 224 212 0.01      
30 A" 189 179 4.80      

Unscaled Zero Point Vibrational Energy (zpe) 22846.5 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 21583.1 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 MP3/cc-pVTZ
ABC
0.26688 0.13281 0.09728

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.411 -2.167 0.000
C2 0.026 -1.085 0.000
C3 -0.446 0.309 0.000
C4 0.026 1.026 1.269
C5 0.026 1.026 -1.269
H6 -1.535 0.267 0.000
H7 -0.359 2.043 1.276
H8 -0.321 0.515 2.164
H9 1.113 1.068 1.298
H10 -0.359 2.043 -1.276
H11 -0.321 0.515 -2.164
H12 1.113 1.068 -1.298

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.14892.62023.45763.45763.11634.46703.52343.55644.46703.52343.5564
C21.14891.47142.46282.46282.06463.40072.71342.73933.40072.71342.7393
C32.62021.47141.53191.53191.08962.15552.17712.16622.15552.17712.1662
C43.45762.46281.53192.53792.14971.08811.08711.08842.76813.48772.7882
C53.45762.46281.53192.53792.14972.76813.48772.78821.08811.08711.0884
H63.11632.06461.08962.14972.14972.48352.49313.05582.48352.49313.0558
H74.46703.40072.15551.08812.76812.48351.76761.76582.55273.76443.1219
H83.52342.71342.17711.08713.48772.49311.76761.76413.76444.32743.7878
H93.55642.73932.16621.08842.78823.05581.76581.76413.12193.78782.5964
H104.46703.40072.15552.76811.08812.48352.55273.76443.12191.76761.7658
H113.52342.71342.17713.48771.08712.49313.76444.32743.78781.76761.7641
H123.55642.73932.16622.78821.08843.05583.12193.78782.59641.76581.7641

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 179.115 C2 C3 C4 110.161
C2 C3 C5 110.161 C2 C3 H6 106.497
C3 C4 H7 109.547 C3 C4 H8 111.327
C3 C4 H9 110.372 C3 C5 H10 109.547
C3 C5 H11 111.327 C3 C5 H12 110.372
C4 C3 C5 111.854 C4 C3 H6 109.004
C5 C3 H6 109.004 H7 C4 H8 108.710
H7 C4 H9 108.451 H8 C4 H9 108.367
H10 C5 H11 108.710 H10 C5 H12 108.451
H11 C5 H12 108.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability