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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 2A"
1 2 no CS trans 2A"

Conformer 1 (CS cis)

Jump to S1C2
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-132.917694
Energy at 298.15K-132.921850
HF Energy-132.478162
Nuclear repulsion energy64.276208
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 QCISD/cc-pVDZ
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' 3445 3305 1.86      
2 A' 3299 3165 4.08      
3 A' 3182 3053 3.74      
4 A' 3100 2975 42.50      
5 A' 1517 1455 9.83      
6 A' 1460 1401 2.19      
7 A' 1367 1311 28.17      
8 A' 1243 1193 8.99      
9 A' 1112 1067 20.22      
10 A' 994 953 8.62      
11 A' 482 462 10.72      
12 A" 1046 1003 0.01      
13 A" 774 743 3.60      
14 A" 682 654 97.54      
15 A" 521 500 3.86      

Unscaled Zero Point Vibrational Energy (zpe) 12111.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11619.8 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 QCISD/cc-pVDZ
ABC
2.03240 0.36126 0.30674

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.425 0.000
C2 1.160 -0.387 0.000
N3 -1.202 -0.135 0.000
H4 0.146 1.521 0.000
H5 2.164 0.051 0.000
H6 1.048 -1.476 0.000
H7 -1.909 0.617 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.41601.32541.10572.19562.17071.9182
C21.41602.37542.16051.09471.09533.2289
N31.32542.37542.13463.37032.61911.0319
H41.10572.16052.13462.49613.12992.2445
H52.19561.09473.37032.49611.89164.1113
H62.17071.09532.61913.12991.89163.6224
H71.91823.22891.03192.24454.11133.6224

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.448 C1 C2 H6 119.071
C1 N3 H7 108.274 C2 C1 N3 120.065
C2 C1 H4 117.384 N3 C1 H4 122.551
H5 C2 H6 119.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-132.917591
Energy at 298.15K-132.921737
HF Energy-132.477740
Nuclear repulsion energy64.291280
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 QCISD/cc-pVDZ
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' 3397 3259 9.69      
2 A' 3280 3147 7.63      
3 A' 3168 3039 2.62      
4 A' 3156 3028 22.09      
5 A' 1505 1444 5.37      
6 A' 1457 1398 3.47      
7 A' 1384 1328 19.58      
8 A' 1241 1191 27.25      
9 A' 1137 1091 21.31      
10 A' 985 945 0.39      
11 A' 487 468 8.89      
12 A" 1080 1036 49.48      
13 A" 784 752 56.00      
14 A" 682 654 1.02      
15 A" 489 469 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 12115.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11623.9 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 QCISD/cc-pVDZ
ABC
1.92135 0.36293 0.30527

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.456 0.000
C2 1.136 -0.392 0.000
N3 -1.268 0.072 0.000
H4 0.173 1.544 0.000
H5 2.152 0.018 0.000
H6 1.016 -1.483 0.000
H7 -1.279 -0.964 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.41711.32491.10202.19572.18861.9109
C21.41712.44802.16211.09521.09752.4815
N31.32492.44802.06023.42002.76261.0358
H41.10202.16212.06022.49903.14212.8981
H52.19571.09523.42002.49901.88183.5681
H62.18861.09752.76263.14211.88182.3526
H71.91092.48151.03582.89813.56812.3526

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.311 C1 C2 H6 120.463
C1 N3 H7 107.456 C2 C1 N3 126.411
C2 C1 H4 117.706 N3 C1 H4 115.883
H5 C2 H6 118.226
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability