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All results from a given calculation for CH3CHNH (ethanimine)

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 NH up 1A'
1 2 no CS NH down 1A'

Conformer 1 (CS NH up)

Jump to S1C2
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-133.636797
Energy at 298.15K-133.642279
HF Energy-133.109535
Nuclear repulsion energy70.794457
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' 3498 3318 0.60      
2 A' 3203 3038 8.99      
3 A' 3082 2924 12.71      
4 A' 3068 2911 56.19      
5 A' 1708 1621 39.68      
6 A' 1495 1418 11.43      
7 A' 1444 1370 19.10      
8 A' 1401 1329 11.40      
9 A' 1289 1222 32.43      
10 A' 1074 1019 31.13      
11 A' 944 896 4.23      
12 A' 490 465 16.61      
13 A" 3160 2998 13.67      
14 A" 1498 1421 9.42      
15 A" 1133 1075 5.38      
16 A" 1091 1035 12.88      
17 A" 686 651 52.43      
18 A" 192 182 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 15228.0 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 14445.3 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
1.76160 0.32718 0.29087

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)
C1 -1.038 -0.625 0.000
C2 0.000 0.455 0.000
N3 1.247 0.168 0.000
H4 -0.548 -1.599 0.000
H5 -1.680 -0.537 0.882
H6 -1.680 -0.537 -0.882
H7 -0.379 1.486 0.000
H8 1.789 1.035 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.49792.41911.09061.09441.09442.21153.2782
C21.49791.27952.12552.14102.14101.09881.8804
N32.41911.27952.51893.13743.13742.09311.0221
H41.09062.12552.51891.78551.78553.08963.5210
H51.09442.14103.13741.78551.76442.56183.9090
H61.09442.14103.13741.78551.76442.56183.9090
H72.21151.09882.09313.08962.56182.56182.2141
H83.27821.88041.02213.52103.90903.90902.2141

picture of ethanimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 120.944 C1 C2 H7 115.935
C2 C1 H4 109.395 C2 C1 H5 110.393
C2 C1 H6 110.393 C2 N3 H8 109.056
N3 C2 H7 123.122 H4 C1 H5 109.605
H4 C1 H6 109.605 H5 C1 H6 107.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at MP2=FULL/6-311G**
 hartrees
Energy at 0K-133.635272
Energy at 298.15K-133.640705
HF Energy-133.108104
Nuclear repulsion energy70.722213
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' 3460 3282 4.05      
2 A' 3179 3016 22.91      
3 A' 3132 2971 26.27      
4 A' 3075 2917 8.38      
5 A' 1700 1613 38.04      
6 A' 1499 1422 23.33      
7 A' 1446 1372 21.02      
8 A' 1409 1337 6.94      
9 A' 1290 1223 49.21      
10 A' 1080 1025 19.47      
11 A' 925 878 2.93      
12 A' 488 463 8.70      
13 A" 3162 2999 10.21      
14 A" 1492 1416 9.77      
15 A" 1165 1105 44.90      
16 A" 1079 1024 6.67      
17 A" 683 648 8.56      
18 A" 163 155 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 15213.9 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 14431.9 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
1.67997 0.32645 0.28797

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)
C1 -1.025 -0.615 0.000
C2 0.000 0.484 0.000
N3 1.274 0.368 0.000
H4 -0.546 -1.598 0.000
H5 -1.668 -0.533 0.882
H6 -1.668 -0.533 -0.882
H7 -0.395 1.504 0.000
H8 1.508 -0.630 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.50322.50101.09321.09441.09442.21162.5331
C21.50321.27952.15252.14342.14341.09421.8746
N32.50101.27952.67973.20123.20122.01911.0249
H41.09322.15252.67971.78061.78063.10632.2709
H51.09442.14343.20121.78061.76332.55933.2976
H61.09442.14343.20121.78061.76332.55933.2976
H72.21161.09422.01913.10632.55932.55932.8592
H82.53311.87461.02492.27093.29763.29762.8592

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.808 C1 C2 H7 115.856
C2 C1 H4 111.019 C2 C1 H5 110.220
C2 C1 H6 110.220 C2 N3 H8 108.365
N3 C2 H7 116.336 H4 C1 H5 108.974
H4 C1 H6 108.974 H5 C1 H6 107.345
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability