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

using model chemistry: B2PLYP=FULL/3-21G

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/3-21G
 hartrees
Energy at 0K-209.920082
Energy at 298.15K-209.927539
HF Energy-209.753047
Nuclear repulsion energy158.239393
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/3-21G
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' 3164 3012 23.66      
2 A' 3159 3007 27.44      
3 A' 3092 2943 3.22      
4 A' 3085 2937 11.07      
5 A' 2265 2156 0.17      
6 A' 1593 1516 13.41      
7 A' 1586 1510 8.65      
8 A' 1490 1418 4.91      
9 A' 1407 1339 2.60      
10 A' 1233 1174 4.37      
11 A' 1184 1127 9.28      
12 A' 930 885 0.56      
13 A' 774 737 0.41      
14 A' 586 557 1.63      
15 A' 368 350 0.16      
16 A' 303 288 0.77      
17 A' 240 228 0.87      
18 A" 3161 3009 11.84      
19 A" 3154 3002 1.50      
20 A" 3083 2935 13.40      
21 A" 1574 1499 4.78      
22 A" 1574 1498 0.02      
23 A" 1472 1402 6.89      
24 A" 1365 1300 0.16      
25 A" 1145 1090 3.53      
26 A" 1001 953 1.30      
27 A" 979 932 2.21      
28 A" 612 583 0.52      
29 A" 241 229 0.04      
30 A" 215 205 2.72      

Unscaled Zero Point Vibrational Energy (zpe) 23015.8 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 21911.0 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/3-21G
ABC
0.26331 0.13046 0.09584

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.153 -2.224 0.000
C2 -0.107 -1.081 0.000
C3 -0.417 0.355 0.000
C4 0.153 1.025 1.277
C5 0.153 1.025 -1.277
H6 -1.508 0.462 0.000
H7 -0.109 2.087 1.276
H8 -0.256 0.561 2.178
H9 1.241 0.930 1.293
H10 -0.109 2.087 -1.276
H11 -0.256 0.561 -2.178
H12 1.241 0.930 -1.293

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17262.64103.49113.49113.15794.50293.55893.57824.50293.55893.5782
C21.17261.46852.47652.47652.08363.41442.73122.74463.41442.73122.7446
C32.64101.46851.55111.55111.09592.17302.19342.18022.17302.19342.1802
C43.49112.47651.55112.55432.16961.09321.09231.09272.77723.50972.7923
C53.49112.47651.55112.55432.16962.77723.50972.79231.09321.09231.0927
H63.15792.08361.09592.16962.16962.49482.51413.07392.49482.51413.0739
H74.50293.41442.17301.09322.77722.49481.77801.77802.55173.77823.1237
H83.55892.73122.19341.09233.50972.51411.77801.77783.77824.35533.7973
H93.57822.74462.18021.09272.79233.07391.77801.77783.12373.79732.5850
H104.50293.41442.17302.77721.09322.49482.55173.77823.12371.77801.7780
H113.55892.73122.19343.50971.09232.51413.77824.35533.79731.77801.7778
H123.57822.74462.18022.79231.09273.07393.12373.79732.58501.77801.7778

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 179.366 C2 C3 C4 110.172
C2 C3 C5 110.172 C2 C3 H6 107.801
C3 C4 H7 109.300 C3 C4 H8 110.960
C3 C4 H9 109.891 C3 C5 H10 109.300
C3 C5 H11 110.960 C3 C5 H12 109.891
C4 C3 C5 110.854 C4 C3 H6 108.884
C5 C3 H6 108.884 H7 C4 H8 108.892
H7 C4 H9 108.855 H8 C4 H9 108.905
H10 C5 H11 108.892 H10 C5 H12 108.855
H11 C5 H12 108.905
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability