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

using model chemistry: B2PLYP=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-211.184278
Energy at 298.15K-211.191520
HF Energy-210.932282
Nuclear repulsion energy158.346076
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 B2PLYP=FULL/aug-cc-pVDZ
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' 3154 3034 20.15      
2 A' 3147 3027 36.20      
3 A' 3070 2953 6.14      
4 A' 3063 2946 14.45      
5 A' 2263 2176 3.68      
6 A' 1501 1444 9.98      
7 A' 1491 1434 6.96      
8 A' 1416 1362 2.90      
9 A' 1344 1292 7.18      
10 A' 1194 1149 2.46      
11 A' 1122 1079 3.68      
12 A' 937 901 0.50      
13 A' 774 744 0.65      
14 A' 544 523 0.94      
15 A' 356 343 0.22      
16 A' 285 275 0.84      
17 A' 217 209 2.35      
18 A" 3153 3032 13.80      
19 A" 3143 3023 0.00      
20 A" 3061 2945 16.10      
21 A" 1479 1422 3.63      
22 A" 1478 1422 0.00      
23 A" 1394 1341 3.65      
24 A" 1319 1269 0.38      
25 A" 1138 1095 2.46      
26 A" 976 939 0.21      
27 A" 935 899 1.44      
28 A" 563 542 0.02      
29 A" 223 214 0.01      
30 A" 185 178 4.76      

Unscaled Zero Point Vibrational Energy (zpe) 22462.4 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 21604.3 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 B2PLYP=FULL/aug-cc-pVDZ
ABC
0.26391 0.13069 0.09577

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.410 -2.191 0.000
C2 0.026 -1.086 0.000
C3 -0.441 0.313 0.000
C4 0.026 1.033 1.277
C5 0.026 1.033 -1.277
H6 -1.541 0.272 0.000
H7 -0.368 2.057 1.284
H8 -0.327 0.517 2.177
H9 1.122 1.081 1.312
H10 -0.368 2.057 -1.284
H11 -0.327 0.517 -2.177
H12 1.122 1.081 -1.312

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17032.64503.48913.48913.14244.50623.55203.59734.50623.55203.5973
C21.17031.47482.47382.47382.07343.41822.72632.76053.41822.72632.7605
C32.64501.47481.53821.53821.10042.16712.18952.18072.16712.18952.1807
C43.48912.47381.53822.55302.15931.09771.09651.09752.78553.50972.8115
C53.48912.47381.53822.55302.15932.78553.50972.81151.09771.09651.0975
H63.14242.07341.10042.15932.15932.49192.50433.07672.49192.50433.0767
H74.50623.41822.16711.09772.78552.49191.78141.78142.56733.78833.1482
H83.55202.72632.18951.09653.50972.50431.78141.77963.78834.35403.8202
H93.59732.76052.18071.09752.81153.07671.78141.77963.14823.82022.6244
H104.50623.41822.16712.78551.09772.49192.56733.78833.14821.78141.7814
H113.55202.72632.18953.50971.09652.50433.78834.35403.82021.78141.7796
H123.59732.76052.18072.81151.09753.07673.14823.82022.62441.78141.7796

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 179.303 C2 C3 C4 110.357
C2 C3 C5 110.357 C2 C3 H6 106.344
C3 C4 H7 109.467 C3 C4 H8 111.299
C3 C4 H9 110.538 C3 C5 H10 109.467
C3 C5 H11 111.299 C3 C5 H12 110.538
C4 C3 C5 112.167 C4 C3 H6 108.708
C5 C3 H6 108.708 H7 C4 H8 108.566
H7 C4 H9 108.490 H8 C4 H9 108.412
H10 C5 H11 108.566 H10 C5 H12 108.490
H11 C5 H12 108.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability