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All results from a given calculation for NH2COOH (Carbamic acid)

using model chemistry: MP3=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-244.817720
Energy at 298.15K 
HF Energy-243.926175
Nuclear repulsion energy124.719801
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 MP3=FULL/cc-pVTZ
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' 3930 3665 98.07      
2 A' 3860 3600 77.06      
3 A' 3730 3478 70.11      
4 A' 1921 1791 585.54      
5 A' 1669 1556 145.72      
6 A' 1495 1394 140.66      
7 A' 1277 1191 208.00      
8 A' 1110 1035 33.94      
9 A' 1003 935 32.75      
10 A' 610 569 39.43      
11 A' 502 468 6.27      
12 A" 829 773 29.15      
13 A" 603 562 57.84      
14 A" 499 466 62.26      
15 A" 177i 165i 224.00      

Unscaled Zero Point Vibrational Energy (zpe) 11430.1 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 10659.7 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 MP3=FULL/cc-pVTZ
ABC
0.39528 0.36805 0.19059

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.128 0.000
O2 -0.057 1.325 0.000
N3 1.128 -0.607 0.000
O4 -1.087 -0.665 0.000
H5 2.002 -0.132 0.000
H6 1.090 -1.602 0.000
H7 -1.836 -0.069 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.19831.34641.34562.01902.04501.8468
O21.19832.26682.24112.52253.14402.2608
N31.34642.26682.21520.99530.99553.0123
O41.34562.24112.21523.13462.36960.9574
H52.01902.52250.99533.13461.73033.8389
H62.04503.14400.99552.36961.73033.3031
H71.84682.26083.01230.95743.83893.3031

picture of Carbamic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 118.348 C1 N3 H6 120.936
C1 O4 H7 105.385 O2 C1 N3 125.840
O2 C1 O4 123.411 N3 C1 O4 110.749
H5 N3 H6 120.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP3=FULL/cc-pVTZ
 hartrees
Energy at 0K-244.817769
Energy at 298.15K-244.822550
HF Energy-243.926179
Nuclear repulsion energy124.681248
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 MP3=FULL/cc-pVTZ
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 3930 3666 98.28      
2 A 3843 3584 69.93      
3 A 3717 3467 62.32      
4 A 1923 1793 569.26      
5 A 1672 1559 134.53      
6 A 1493 1393 143.84      
7 A 1279 1193 192.21      
8 A 1118 1043 48.67      
9 A 1004 936 32.25      
10 A 828 772 34.11      
11 A 612 571 45.41      
12 A 593 553 64.56      
13 A 511 476 27.38      
14 A 486 453 29.54      
15 A 249 232 244.92      

Unscaled Zero Point Vibrational Energy (zpe) 11628.9 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 10845.1 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 MP3=FULL/cc-pVTZ
ABC
0.39521 0.36740 0.19060

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.040 0.122 -0.002
O2 -0.461 1.243 0.005
N3 1.263 -0.232 -0.040
O4 -0.830 -0.967 0.002
H5 1.934 0.490 0.105
H6 1.520 -1.180 0.126
H7 -1.727 -0.632 0.007

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.19771.35021.34542.01082.03611.8481
O21.19772.26922.24062.51303.13252.2626
N31.35022.26922.21830.99650.99663.0167
O41.34542.24062.21833.12622.36310.9574
H52.01082.51300.99653.12621.72073.8305
H62.03613.13250.99662.36311.72073.2952
H71.84812.26263.01670.95743.83053.2952

picture of Carbamic acid state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 117.134 C1 N3 H6 119.600
C1 O4 H7 105.511 O2 C1 N3 125.798
O2 C1 O4 123.430 N3 C1 O4 110.761
H5 N3 H6 119.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability