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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: CISD/3-21G

19 10 17 12 22

States and conformations

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

Conformer 1 (CS cis)

Jump to S1C2
Energy calculated at CISD/3-21G
 hartrees
Energy at 0K-131.976261
Energy at 298.15K-131.980505
HF Energy-131.719969
Nuclear repulsion energy64.480113
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 CISD/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' 3346 3150 10.44      
2 A' 3310 3115 5.83      
3 A' 3208 3020 4.01      
4 A' 3115 2932 35.14      
5 A' 1570 1478 9.52      
6 A' 1527 1438 15.41      
7 A' 1362 1282 39.00      
8 A' 1205 1135 15.13      
9 A' 1093 1029 6.77      
10 A' 1014 954 13.64      
11 A' 504 474 12.27      
12 A" 1077 1014 0.41      
13 A" 826 777 21.07      
14 A" 721 679 125.14      
15 A" 574 540 11.75      

Unscaled Zero Point Vibrational Energy (zpe) 12225.7 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 11508.0 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 CISD/3-21G
ABC
2.06634 0.36265 0.30850

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.424 0.000
C2 1.166 -0.340 0.000
N3 -1.197 -0.175 0.000
H4 0.112 1.511 0.000
H5 2.147 0.116 0.000
H6 1.090 -1.421 0.000
H7 -1.964 0.517 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39411.33851.09212.16882.14251.9662
C21.39412.36832.13001.08231.08283.2449
N31.33852.36832.13403.35642.60371.0330
H41.09212.13002.13402.46693.08992.3015
H52.16881.08233.35642.46691.86544.1304
H62.14251.08282.60373.08991.86543.6163
H71.96623.24491.03302.30154.13043.6163

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.772 C1 C2 H6 119.242
C1 N3 H7 111.368 C2 C1 N3 120.139
C2 C1 H4 117.389 N3 C1 H4 122.472
H5 C2 H6 118.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at CISD/3-21G
 hartrees
Energy at 0K-131.976769
Energy at 298.15K-131.981013
HF Energy-131.720130
Nuclear repulsion energy64.400665
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 CISD/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' 3295 3102 33.76      
2 A' 3289 3096 0.46      
3 A' 3197 3009 4.89      
4 A' 3188 3001 13.62      
5 A' 1576 1484 5.67      
6 A' 1498 1410 5.24      
7 A' 1404 1321 49.26      
8 A' 1173 1104 46.53      
9 A' 1119 1053 0.64      
10 A' 1020 960 0.28      
11 A' 509 479 9.43      
12 A" 1108 1043 55.73      
13 A" 841 792 78.48      
14 A" 723 681 11.56      
15 A" 550 518 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 12244.6 cm-1
Scaled (by 0.9413) Zero Point Vibrational Energy (zpe) 11525.9 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 CISD/3-21G
ABC
1.96066 0.36178 0.30542

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.448 0.000
C2 1.147 -0.346 0.000
N3 -1.272 0.029 0.000
H4 0.130 1.526 0.000
H5 2.135 0.096 0.000
H6 1.084 -1.430 0.000
H7 -1.322 -1.007 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.39491.33951.08632.16382.16871.9663
C21.39492.44802.13091.08251.08562.5559
N31.33952.44802.05143.40792.77211.0377
H41.08632.13092.05142.46313.10682.9204
H52.16381.08253.40792.46311.85243.6289
H62.16871.08562.77213.10681.85242.4437
H71.96632.55591.03772.92043.62892.4437

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.197 C1 C2 H6 121.424
C1 N3 H7 110.976 C2 C1 N3 127.075
C2 C1 H4 117.835 N3 C1 H4 115.090
H5 C2 H6 117.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability