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

using model chemistry: MP3/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 MP3/TZVP
 hartrees
Energy at 0K-210.841595
Energy at 298.15K-210.848925
HF Energy-210.065173
Nuclear repulsion energy159.513734
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/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' 3187 2980 22.15      
2 A' 3181 2975 41.44      
3 A' 3119 2917 3.88      
4 A' 3098 2897 14.25      
5 A' 2444 2286 3.89      
6 A' 1539 1439 10.94      
7 A' 1534 1435 5.30      
8 A' 1467 1372 3.26      
9 A' 1387 1297 6.97      
10 A' 1228 1149 1.65      
11 A' 1153 1078 3.84      
12 A' 960 898 0.09      
13 A' 790 739 1.11      
14 A' 557 521 0.62      
15 A' 360 337 0.26      
16 A' 295 276 0.79      
17 A' 223 209 2.33      
18 A" 3185 2979 15.01      
19 A" 3176 2970 0.30      
20 A" 3096 2895 15.51      
21 A" 1521 1423 3.01      
22 A" 1516 1418 0.35      
23 A" 1444 1351 2.94      
24 A" 1366 1278 0.30      
25 A" 1166 1091 2.76      
26 A" 1000 935 0.17      
27 A" 964 902 0.89      
28 A" 578 541 0.16      
29 A" 226 211 0.03      
30 A" 187 175 4.52      

Unscaled Zero Point Vibrational Energy (zpe) 22973.0 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 21484.4 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/TZVP
ABC
0.26622 0.13295 0.09730

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.415 -2.165 0.000
C2 0.025 -1.084 0.000
C3 -0.446 0.309 0.000
C4 0.025 1.025 1.270
C5 0.025 1.025 -1.270
H6 -1.537 0.268 0.000
H7 -0.355 2.046 1.275
H8 -0.330 0.516 2.165
H9 1.114 1.060 1.305
H10 -0.355 2.046 -1.275
H11 -0.330 0.516 -2.165
H12 1.114 1.060 -1.305

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.14902.61943.45593.45593.11894.46723.52583.54884.46723.52583.5488
C21.14901.47052.46232.46232.06563.40182.71562.73623.40182.71562.7362
C32.61941.47051.53261.53261.09142.15742.17792.16812.15742.17792.1681
C43.45592.46231.53262.54082.15091.08981.08871.09012.76923.49092.7961
C53.45592.46231.53262.54082.15092.76923.49092.79611.08981.08871.0901
H63.11892.06561.09142.15092.15092.48732.49083.05892.48732.49083.0589
H74.46723.40182.15741.08982.76922.48731.77021.76962.55073.76543.1285
H83.52582.71562.17791.08873.49092.49081.77021.76683.76544.32983.7974
H93.54882.73622.16811.09012.79613.05891.76961.76683.12853.79742.6095
H104.46723.40182.15742.76921.08982.48732.55073.76543.12851.77021.7696
H113.52582.71562.17793.49091.08872.49083.76544.32983.79741.77021.7668
H123.54882.73622.16812.79611.09013.05893.12853.79742.60951.76961.7668

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 178.848 C2 C3 C4 110.138
C2 C3 C5 110.138 C2 C3 H6 106.529
C3 C4 H7 109.549 C3 C4 H8 111.241
C3 C4 H9 110.381 C3 C5 H10 109.549
C3 C5 H11 111.241 C3 C5 H12 110.381
C4 C3 C5 111.972 C4 C3 H6 108.949
C5 C3 H6 108.949 H7 C4 H8 108.694
H7 C4 H9 108.545 H8 C4 H9 108.369
H10 C5 H11 108.694 H10 C5 H12 108.545
H11 C5 H12 108.369
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability