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All results from a given calculation for HCONHCH3 (N-methylformamide)

using model chemistry: B3LYPultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS cis 1A'
1 3 yes C1 cis 1A'

Conformer 1 (CS cis)

Jump to S1C2 S1C3
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-209.233478
Energy at 298.15K-209.239525
HF Energy-209.233478
Nuclear repulsion energy118.820721
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 B3LYPultrafine/aug-cc-pVDZ
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' 3591 3485 26.15      
2 A' 3123 3031 13.84      
3 A' 3027 2937 55.98      
4 A' 2943 2856 76.89      
5 A' 1768 1716 531.97      
6 A' 1516 1471 19.04      
7 A' 1469 1426 3.04      
8 A' 1445 1402 5.16      
9 A' 1378 1337 10.18      
10 A' 1298 1259 113.73      
11 A' 1158 1123 27.33      
12 A' 1005 975 40.01      
13 A' 607 589 13.61      
14 A' 342 332 7.89      
15 A" 3083 2992 25.16      
16 A" 1458 1415 6.20      
17 A" 1139 1105 0.43      
18 A" 1026 995 2.40      
19 A" 619 600 110.02      
20 A" 203 197 0.22      
21 A" 101 98 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 16148.5 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 15670.5 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 B3LYPultrafine/aug-cc-pVDZ
ABC
1.48382 0.14482 0.13535

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.282 -0.761 0.000
O2 1.406 -1.237 0.000
N3 0.000 0.570 0.000
C4 -1.336 1.139 0.000
H5 -0.634 -1.392 0.000
H6 0.802 1.189 0.000
H7 -2.068 0.322 0.000
H8 -1.510 1.755 0.894
H9 -1.510 1.755 -0.894

Atom - Atom Distances (Å)
  C1 O2 N3 C4 H5 H6 H7 H8 H9
C11.22071.36062.49531.11222.01792.58713.21573.2157
O21.22072.28943.62792.04592.49933.80734.27244.2724
N31.36062.28941.45212.06201.01312.08282.11752.1175
C42.49533.62791.45212.62632.13911.09701.09961.0996
H51.11222.04592.06202.62632.95342.23433.38683.3868
H62.01792.49931.01312.13912.95342.99842.54332.5433
H72.58713.80732.08281.09702.23432.99841.77901.7790
H83.21574.27242.11751.09963.38682.54331.77901.7877
H93.21574.27242.11751.09963.38682.54331.77901.7877

picture of N-methylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 125.007 C1 N3 H6 115.676
O2 C1 N3 124.888 O2 C1 H5 122.500
N3 C1 H5 112.612 N3 C4 H7 108.788
N3 C4 H8 111.420 N3 C4 H9 111.420
C4 N3 H6 119.318 H7 C4 H8 108.172
H7 C4 H9 108.172 H8 C4 H9 108.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.801      
2 O -0.486      
3 N 0.053      
4 C 1.081      
5 H -0.376      
6 H -0.229      
7 H -0.315      
8 H -0.264      
9 H -0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.243 2.885 0.000 4.341
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.407 4.313 0.000
y 4.313 -24.916 0.000
z 0.000 0.000 -25.169
Traceless
 xyz
x -2.365 4.313 0.000
y 4.313 1.372 0.000
z 0.000 0.000 0.993
Polar
3z2-r21.986
x2-y2-2.492
xy4.313
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.895 -1.232 0.000
y -1.232 6.802 0.000
z 0.000 0.000 4.391


<r2> (average value of r2) Å2
<r2> 89.996
(<r2>)1/2 9.487

Conformer 2 ()

Jump to S1C1 S1C3
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-209.233478
Energy at 298.15K-209.239525
HF Energy-209.233478
Nuclear repulsion energy118.820721
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 B3LYPultrafine/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at B3LYPultrafine/aug-cc-pVDZ
ABC
1.48382 0.14482 0.13535

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 3 (C1 cis)

Jump to S1C1 S1C2
Energy calculated at B3LYPultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-209.235194
Energy at 298.15K-209.241191
HF Energy-209.235194
Nuclear repulsion energy120.916791
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 B3LYPultrafine/aug-cc-pVDZ
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 3626 3518 24.13      
2 A 3157 3063 0.58      
3 A 3092 3001 25.37      
4 A 3035 2945 45.88      
5 A 2958 2871 101.48      
6 A 1759 1707 367.03      
7 A 1553 1507 107.87      
8 A 1474 1430 6.84      
9 A 1470 1427 20.22      
10 A 1422 1380 16.53      
11 A 1405 1364 7.53      
12 A 1221 1184 71.88      
13 A 1153 1118 22.78      
14 A 1141 1107 0.90      
15 A 1013 983 0.12      
16 A 955 927 20.16      
17 A 761 738 0.83      
18 A 547 530 43.68      
19 A 293 284 13.79      
20 A 280 272 63.29      
21 A 42 40 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 16177.4 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 15698.5 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 B3LYPultrafine/aug-cc-pVDZ
ABC
0.66372 0.20182 0.15949

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.869 0.437 0.003
O2 1.383 -0.674 0.000
N3 -0.471 0.656 -0.019
C4 -1.434 -0.440 0.004
H5 1.466 1.371 0.017
H6 -0.796 1.609 0.057
H7 -2.432 -0.041 -0.209
H8 -1.167 -1.181 -0.759
H9 -1.445 -0.943 0.982

Atom - Atom Distances (Å)
  C1 O2 N3 C4 H5 H6 H7 H8 H9
C11.22421.35822.46361.10922.03723.34172.70952.8662
O21.22422.28282.82702.04723.15733.87322.70923.0057
N31.35822.28281.45882.06511.00962.08962.09932.1232
C42.46362.82701.45883.41862.14661.09571.09661.0996
H51.10922.04722.06513.41862.27474.15183.74803.8418
H62.03723.15731.00962.14662.27472.33892.93052.7915
H73.34173.87322.08961.09574.15182.33891.78871.7908
H82.70952.70922.09931.09663.74802.93051.78871.7782
H92.86623.00572.12321.09963.84182.79151.79081.7782

picture of N-methylformamide state 1 conformation 3
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 121.944 C1 N3 H6 117.971
O2 C1 N3 124.173 O2 C1 H5 122.568
N3 C1 H5 113.258 N3 C4 H7 108.942
N3 C4 H8 109.658 N3 C4 H9 111.406
C4 N3 H6 119.715 H7 C4 H8 109.353
H7 C4 H9 109.323 H8 C4 H9 108.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.761      
2 O -0.469      
3 N 0.023      
4 C 1.077      
5 H -0.361      
6 H -0.187      
7 H -0.263      
8 H -0.316      
9 H -0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.036 2.619 -0.000 4.010
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.270 2.858 0.000
y 2.858 -22.909 -0.000
z 0.000 -0.000 -25.241
Traceless
 xyz
x -2.195 2.858 0.000
y 2.858 2.847 -0.000
z 0.000 -0.000 -0.652
Polar
3z2-r2-1.304
x2-y2-3.361
xy2.858
xz0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.336 -0.110 0.000
y -0.110 6.173 0.000
z 0.000 0.000 4.443


<r2> (average value of r2) Å2
<r2> 79.537
(<r2>)1/2 8.918