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

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-210.841518
Energy at 298.15K-210.848833
HF Energy-210.034521
Nuclear repulsion energy158.907965
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/6-311G*
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 3018 18.93      
2 A' 3182 3014 31.77      
3 A' 3101 2937 4.95      
4 A' 3087 2924 12.74      
5 A' 2197 2081 0.28      
6 A' 1550 1468 17.48      
7 A' 1541 1460 8.48      
8 A' 1459 1382 7.06      
9 A' 1379 1306 4.56      
10 A' 1223 1158 2.66      
11 A' 1149 1088 5.36      
12 A' 961 911 0.87      
13 A' 790 748 0.50      
14 A' 551 522 0.98      
15 A' 362 343 0.16      
16 A' 297 281 0.52      
17 A' 223 211 1.99      
18 A" 3186 3017 11.20      
19 A" 3178 3010 0.16      
20 A" 3086 2923 15.11      
21 A" 1528 1447 4.15      
22 A" 1526 1445 1.40      
23 A" 1438 1362 9.01      
24 A" 1356 1285 0.12      
25 A" 1166 1104 2.20      
26 A" 1000 947 0.37      
27 A" 957 906 2.32      
28 A" 570 539 0.13      
29 A" 236 224 0.01      
30 A" 186 176 4.06      

Unscaled Zero Point Vibrational Energy (zpe) 22825.8 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 21618.3 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/6-311G*
ABC
0.26609 0.13166 0.09662

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.420 -2.183 0.000
C2 0.024 -1.078 0.000
C3 -0.447 0.312 0.000
C4 0.024 1.028 1.270
C5 0.024 1.028 -1.270
H6 -1.542 0.276 0.000
H7 -0.361 2.050 1.281
H8 -0.327 0.516 2.167
H9 1.115 1.069 1.302
H10 -0.361 2.050 -1.281
H11 -0.327 0.516 -2.167
H12 1.115 1.069 -1.302

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17412.64093.47573.47573.14554.49133.54143.57174.49133.54143.5717
C21.17411.46702.45912.45912.06963.40202.71332.73803.40202.71332.7380
C32.64091.46701.53201.53201.09592.16112.18032.16972.16112.18032.1697
C43.47572.45911.53202.53972.15181.09241.09131.09222.77483.49292.7941
C53.47572.45911.53202.53972.15182.77483.49292.79411.09241.09131.0922
H63.14552.06961.09592.15182.15182.48672.49623.06332.48672.49623.0633
H74.49133.40202.16111.09242.77482.48671.77211.77232.56183.77433.1325
H83.54142.71332.18031.09133.49292.49621.77211.77043.77434.33493.7979
H93.57172.73802.16971.09222.79413.06331.77231.77043.13253.79792.6043
H104.49133.40202.16112.77481.09242.48672.56183.77433.13251.77211.7723
H113.54142.71332.18033.49291.09132.49623.77434.33493.79791.77211.7704
H123.57172.73802.16972.79411.09223.06333.13253.79792.60431.77231.7704

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 178.987 C2 C3 C4 110.146
C2 C3 C5 110.146 C2 C3 H6 106.822
C3 C4 H7 109.735 C3 C4 H8 111.323
C3 C4 H9 110.428 C3 C5 H10 109.735
C3 C5 H11 111.323 C3 C5 H12 110.428
C4 C3 C5 111.970 C4 C3 H6 108.801
C5 C3 H6 108.801 H7 C4 H8 108.489
H7 C4 H9 108.439 H8 C4 H9 108.352
H10 C5 H11 108.489 H10 C5 H12 108.439
H11 C5 H12 108.352
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability