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

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-211.011705
Energy at 298.15K-211.019032
HF Energy-210.067641
Nuclear repulsion energy160.014264
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3184 3023 12.72      
2 A' 3177 3016 24.67      
3 A' 3108 2951 3.88      
4 A' 3097 2940 10.71      
5 A' 2218 2106 0.03      
6 A' 1537 1459 10.91      
7 A' 1529 1451 8.17      
8 A' 1433 1360 4.29      
9 A' 1370 1301 4.40      
10 A' 1212 1150 1.98      
11 A' 1140 1082 3.71      
12 A' 960 911 0.92      
13 A' 792 752 0.32      
14 A' 548 520 0.72      
15 A' 356 338 0.19      
16 A' 295 281 0.43      
17 A' 225 214 2.35      
18 A" 3183 3022 9.47      
19 A" 3174 3013 0.30      
20 A" 3097 2941 12.06      
21 A" 1515 1438 3.75      
22 A" 1514 1437 0.27      
23 A" 1412 1341 4.78      
24 A" 1342 1274 0.19      
25 A" 1159 1100 2.18      
26 A" 993 943 0.30      
27 A" 949 901 1.77      
28 A" 568 540 0.02      
29 A" 239 227 0.00      
30 A" 186 177 4.21      

Unscaled Zero Point Vibrational Energy (zpe) 22755.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 21603.8 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/cc-pVTZ
ABC
0.27006 0.13350 0.09811

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.150 -2.202 0.000
C2 -0.110 -1.064 0.000
C3 -0.408 0.361 0.000
C4 0.150 1.010 1.260
C5 0.150 1.010 -1.260
H6 -1.491 0.458 0.000
H7 -0.101 2.066 1.268
H8 -0.253 0.548 2.154
H9 1.230 0.912 1.281
H10 -0.101 2.066 -1.268
H11 -0.253 0.548 -2.154
H12 1.230 0.912 -1.281

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16712.62293.45053.45053.12564.45943.51673.53604.45943.51673.5360
C21.16711.45592.44072.44072.05573.37712.69452.70913.37712.69452.7091
C32.62291.45591.52321.52321.08722.14692.16762.15142.14692.16762.1514
C43.45052.44071.52322.51962.14101.08511.08411.08542.75073.46832.7625
C53.45052.44071.52322.51962.14102.75073.46832.76251.08511.08411.0854
H63.12562.05571.08722.14102.14102.47492.48583.04172.47492.48583.0417
H74.45943.37712.14691.08512.75072.47491.76391.76202.53563.74633.0982
H83.51672.69452.16761.08413.46832.48581.76391.75973.74634.30793.7590
H93.53602.70912.15141.08542.76253.04171.76201.75973.09823.75902.5612
H104.45943.37712.14692.75071.08512.47492.53563.74633.09821.76391.7620
H113.51672.69452.16763.46831.08412.48583.74634.30793.75901.76391.7597
H123.53602.70912.15142.76251.08543.04173.09823.75902.56121.76201.7597

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 179.003 C2 C3 C4 110.005
C2 C3 C5 110.005 C2 C3 H6 106.977
C3 C4 H7 109.654 C3 C4 H8 111.370
C3 C4 H9 109.992 C3 C5 H10 109.654
C3 C5 H11 111.370 C3 C5 H12 109.992
C4 C3 C5 111.602 C4 C3 H6 109.065
C5 C3 H6 109.065 H7 C4 H8 108.815
H7 C4 H9 108.541 H8 C4 H9 108.408
H10 C5 H11 108.815 H10 C5 H12 108.541
H11 C5 H12 108.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability